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Post by Benfxmth on Sept 30, 2020 3:30:01 GMT -5
Rome September 2020 Summary
This September is warmer and wetter than normal; first half of the month was warm and dry (basically an extension of summer), with the pattern flipping for cool and wet weather for the last 10 days of September. Anomalies for Fiumicino Airport: Average high: +1.4°C Monthly mean: +1.1°C Average low: +0.9°C Anomalies for Ciampino Airport: Average high: +1.7°C Monthly mean: +1.6°C Average low: +1.3°C Weather boxes:  
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Post by jgtheone on Sept 30, 2020 8:13:08 GMT -5
Melbourne Airport September 2020 Summary:Average max: 17.7°C (+0.6°C) Average mean: 12.9°C (+0.7°C) Average min: 8.1°C (+0.9°C) Max high: 25.2°C (19th) Max low: 15.4°C (20th) Min high: 11.5°C (25th) Min low: 2.2°C (29th) Precipitation: 27.8mm (59.5% of avg. precip) Precip days: 11 Precip days (>1mm): 5 Sun hours: 177.9hrs (95.1% of avg sun) Highest wind gust: 96km/h from the NNE (7th) Short summary: Drier, slightly cloudier and finally warmer. Fun fact: First fully above average month since December 2019.  PWS:
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Post by knot on Sept 30, 2020 19:08:20 GMT -5
September 2020 Summary A warm and dry month, chiefly due to the unusually stable early half of the month—i.e. lack of frontal activity. However, later in the month a fairly strong westerly front lowered the average substantially, from 7° / 15° C (record warm) down to 6° / 13° C, and brought a notable amount of snowfall (23rd–26th Sep). Anomalies (BoM Obs)Mean Maximum = 13.2° C (+0.9° C) Mean Minimum = 6.0° C (+1.5° C) Precipitation = 90.8 mm (–23.0 mm) 
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Post by Cadeau on Sept 30, 2020 19:24:55 GMT -5
Paris, Île-de-France, France September 2020 Average: High 24.0°C / Low 14.5°C / Mean 19.3°CHighest: 34.3°C [15th] Lowest: 8.7°C [25th] Lowest High: 13.7°C [25th] Highest Low: 21.2°C [19th] Precipitation: 52.8 mmPrecipitation Days: 8 Sunshine Hours: 215.5 hours Early September: High 24.5°C / Low 14.7°C / Mean 19.6°C / Precipitation 0.4 mm / 73.8 sunshine hours Mid September: High 28.7°C / Low 16.6°C / Mean 22.6°C / Precipitation 2.4 mm / 102.4 sunshine hours Late September: High 18.9°C / Low 12.3°C / Mean 15.6°C / Precipitation 50.0mm / 39.3 sunshine hours  - Seoul, South Korea September 2020 Average: High 25.6°C / Low 18.0°C / Mean 21.4°CHighest: 29.5°C [1st] Lowest: 13.6°C [21st] Lowest High: 20.6°C [7th] Highest Low: 23.8°C [1st] Precipitation: 181.5 mmPrecipitation Days: 11 Snowfall: 0.0 cm Snowy Days: 0 Average Relative Humidity: 70.8% Average Wind Speed: 9.0 km/h Sunshine Hours: 174.3 hours  - Tokyo, Tokyo, Japan September 2020 Average: High 28.1°C / Low 21.5°C / Mean 24.2°CHighest: 35.1°C [4th] Lowest: 14.7°C [30th] Lowest High: 20.0°C [26th] Highest Low: 26.9°C [8th] Precipitation: 117.5 mmPrecipitation Days: 20 Snowfall: 0 cm Snowy Days: 0 Average Relative Humidity: 83% Average Wind Speed: 2.9 m/s(10.4 km/h) Sunshine Hours: 105.7 hours  |
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Post by Steelernation on Oct 1, 2020 0:07:40 GMT -5
Awesome month, only complaints are no storms and the 2nd half was a bit stable. Average high: 78.2 (+2.3) Average low: 45.7 (-1.8) Mean: 62.0 (+0.3) Precipitation: 1.39” (+0.06”, 104%) Precipitation days: 3 Snowfall: 2.7” (+1.8”, 300%) Snow days: 2 Highest temp: 99 on the 6th Lowest temp: 32 on the 8th and 9th Highest low: 55 on the 3rd Lowest high: 42 on the 9th •The high of 99 tied the September record high •The average low was the coolest since 2006 Here’s the month*  *This graph is 12 AM-12 AM, Nowdata is 7 PM-7 PM so it doesn’t match the official data above And my year:  |
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Post by firebird1988 on Oct 1, 2020 3:17:59 GMT -5
Phoenix, AZ September 2020 Summary
Highest Temp 46.1°C
Lowest Temp 20.6°C
Minimum High 32.2°C
Maximum Low 31.7°C
Avg High 40.0°C Dep +2.0°C
Avg Low 26.1°C Dep +0.7°C
Mean Temp 33.05°C Dep +1.35°C
Total Rainfall 0.00 mm
Departure -15.24 mm
Records=8
I. 4th Record High
45.6°C Dep +6.2°C
II. 5th Record High
46.1°C Dep +6.7°C
III. 6th Record High
45°C Dep +5.6°C
IV. 6th Record Max Low (Tie 2013&2019)
31.7°C Dep +4.5°C
V. 16th Record High (Tie 1928)
42.8°C Dep +4.5°C
VI. 17th Record High (Tie 1962)
42.8°C Dep +5°C
VII. 19th Record Max Low (Tie 2000&2014)
27.8°C Dep +2.8°C
VIII. 22nd Record Max Low
28.9°C Dep +5°C
Five Warmest Days
I. 5th 38.6°C (46.1°C/31.1°C)
II. 6th 38.3°C (45°C/31.7°C)
III. 4th 37.2°C (45.6°C/28.9°C)
IV. 7th 36.1°C (42.8°C/29.4°C)
V. 3rd 35.9°C (41.7°C/30°C)
Five Coolest Days
I. 9th 26.7°C (32.2°C/21.1°C)
II. 10th 27.2°C (33.9°C/20.6°C)
III. 11th 28.1°C (33.9°C/22.2°C)
IV. 12th 29.7°C (37.2°C/22.2°C)
V. 13th 31.4°C (39.4°C/23.3°C)
This was our 3rd hottest September on record, beating out September 2010 by 0.01°C!
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Post by boombo on Oct 1, 2020 5:10:38 GMT -5
Bingley Absolute high: 25.4C Average high: 16.3C (+0.4C) Average: 12.7C (+0.3C) Average low: 9.1C (+0.2C) Absolute low: 3.0C Precipitation: 65.6 mm (-15%) Sunshine: ~ 140 hours (+15%) The last week was more like October but overall not a bad month: a decent dry spell, more sunny days than in any of the summer months, plus a pretty impressive absolute high for so late in the year.   |
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Post by Babu on Oct 1, 2020 7:18:15 GMT -5
 Average temperatures vs 1991-2020 (11-20)Average high: +0.4 (-0.1) Average mean: +0.6 (-0.1) Average low: +0.4 (-0.1) Rainfall vs 1961-1990: 122% Sunshine vs 2002-2018: 108% A pretty alright month, with most values very close to average, with the largest deviation being the rainfall which was 22% above average. First half was a bunch of sunny high diurnal days with chilly nights and very consistent 17-18'C highs. Pretty decent. The other half was the opposite with cold and cloudy days with mostly mild nights. Only one frost was recorded at the airport, a -0.9'C on the 25th, which is pretty late for the airport station. Very few places in the city actually recorded any freezing temperatures however, and most likely only a few places even recorded any ground frost. The Uni rooftop station got down to 3.1'C as its coldest temperature, and I actually happened to be outside that night, right during the time when the airport recorded its low. The temperature was 3'C where I live, and I couldn't see anything close to frost anywhere. While being a pretty decent month, it was a lot less decent compared to the deviations seen in southern Sweden. And looking at the year so far, Umeå has had above average rainfall, and lots of sunshine, whereas the stations I've looked at in Southern Sweden, while having similar sunshine deviations, have all been very dry. South-Swedish stations:
A pretty warm September in Lund (2.5 days have data extrapolated from a nearby station operated by the agricultural agency (LANTMET) (That station averaged 0.7'C cooler highs and 1.5'C cooler lows for the 27.5 days the two stations were co-active, so I added that onto the temperature readings of the LANTMET station for the missing days). Highs and lows were 1.4'C and 0.4'C above average compared to 2002-2018. For the year as a whole, I think temperatures are at least top 3 as of yet, and while sunshine deviations are a little lower than in Umeå, they've had a pretty dry year.  Stockholm had a pretty warm September as well with a high and low deviation of 0.9'C and 0.5'C respectively compared to 2002-2018. A little over half the precipitation, and a similar sunshine deviation as Umeå. For the year as a whole, I believe Stockholm also has had a top 3 warmest year so far. Sunshine deviation is about the same as Umeå, or slightly less, but while the two cities average the same precipitation annually, Umeå has like 40% higher precipitation so far.  Svenska Högarna: Despite being a very maritime station, its deviations were actually a lot lower than both Stockholm and Lund, even though August was very warm all over Sweden. Highs and lows were only 0.2'C and 0.4'C above the 2002-2018 average. Precipitation was only about a fourth of the 1961-1990 average. (Although 2002-2018 has been 31% drier than 1961-1990 there, so the climate has definitely seemed to have gotten a lot drier in recent years). Sunshine was actually average or below average here however. (Sunshine data is only available since 2007, but the 2007-2018 average is 197h, and the nearby island coastal stations of Visby and Hoburgen on Gotland island average 200 and 199h for 2002-2018). This is the first month of the year that has had sunshine below the 2007-2018 average. Meaning sunshine totals are already up to 2238h (2007-2018 average is 2170 for the whole year). This is really about the same deviation as Umeå and Stockholm. In 2018, Svenska Högarna broke the all time annual sunshine record in Sweden (and Northern Europe?) with 2407h. Unless all three remaining months are very cloudy, this record is likely to be broken again this year seeing as Oct+Nov+Dec averaged 198h 2007-2018  |
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Post by Speagles84 on Oct 1, 2020 7:20:05 GMT -5
Pretty standard September here, a little dry and a little early for first frost and freeze but otherwise nothing noteworthy.   |
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Post by Ariete on Oct 1, 2020 7:23:47 GMT -5
Turku was above average, mostly thanks to the Indian Crummerlike conditions late in the month. The record high was recorded on the 27th, which is extremely rare for September. Precipitation was normal.
Highest high: 22.7C (27th) Highest low: 14.6C (4th) Lowest high: 12.9C (17th) Lowest low: 3.3C (20th)
Deviations from 91-19 normals:
high: +1.4C mean: +1.5C
low: +1.5C precipitation: 93%
No frost or snow. 2 weak thunderstorms on the 3rd and 4th.
Deviation from mean temps by every 3rd of the month (since 2003 only):
I: -0.1C II: -0.5C III: +3.6C
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Post by Morningrise on Oct 1, 2020 8:23:00 GMT -5
September 2020 was a bit above average and an overall very pleasant month aside from some fairly chilly days toward the middle of the month. We did have a few temperature extremes, exceeding 31C on the hottest day and hitting a low of -7C one night as well but overall temperatures were quite mild. We had 14 days at or above 20C (16 if you round up temperatures to the nearest half-degree). It was also slightly drier than usual, and probably close to average sunshine (those stats will be out in a few days). Average high: 19.4C (normal: 18.3C) Average low: 4.0C (normal: 4.5C) Daily mean: 11.7C (normal: 11.4C) Highest high: 31.1C (Sept 11th) Highest low: 12.6C (Sept 20th) Lowest high: 10.4C (Sept 7th) Lowest low: -6.9C (Sept 8th) Precipitation totals: 23.6mm (normal: 35.4mm) Precipitation days: 7 (normal: 8.3)  |
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Post by kronan on Oct 1, 2020 9:27:59 GMT -5
 Warmer than normal. Precipitation and sunshine around average. A rather uneventful month, like most Septembers are.  |
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Post by 🖕🏿Mörön🖕🏿 on Oct 1, 2020 11:20:58 GMT -5
Boring. First part was pleasant at least until the smoke arrived for a week. Had some good rain to break that up though.  |
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Post by Babu on Oct 1, 2020 12:20:07 GMT -5
Here's 2020 at the Uni station  It's on a roof top, so it's got it's flaws. Night time temperatures tend to be very similar to the mildest parts of the town. I can't really comment about the daytime temperature because I don't have access to any thermometer with proper radiation cover. But considering March-Sep only average about 0.5'C higher highs at the Uni station, it can't be that off (keep in mind that the airport station was offline for most of May, so those stats are just an estimation). That's a pretty normal difference when comparing city stations with airport stations in Sweden. Honestly, looking at these stats, they seem like a very reasonable representation of what the warmest parts of town would've experienced this year, with most parts of the town lying somewhere inbetween the two stations. Though I would say that most are closer to the uni station than the airport station. Some interesting stats are that the average high during winter was higher at the airport, and the airport actually had a higher highest temperature this year at 29.3'C vs 29.1'C. |
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Post by Wildcat on Oct 1, 2020 13:04:34 GMT -5
Average high: 76.9ºF (-1.9ºF) | 24.9ºC (-1.1ºC) Average low: 56.8ºF (-0.7ºF) | 13.8ºC (-0.5ºC) Mean temp: 66.8ºF (-1.3ºF) | 19.3ºC (-0.8ºC) Precipitation: 4.21" | 107 mm (145% of normal)   |
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Post by kronan on Oct 1, 2020 14:21:46 GMT -5
2 more.   |
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Post by flamingGalah on Oct 1, 2020 17:55:53 GMT -5
September in Malta was above average, with minimum temperatures especially higher. Rainfall was above average here & well above average at Luqa & Msida as central parts of the Island had a thunderstorm on the 12th which caused flash flooding, while here it remained completely dry. There were further thunderstorms on the 13th & 14th across the whole Island, the bulk of the months rainfall came from these 3 storms. Sunshine was below average. Stats from my PWS in St. Paul's Bay Av.Mx 29.1C (+0.5C) Av.Mn 24.8C (+1.1C) Mean 27.0C (+0.8C) Highest Max 31.0C (1st) Lowest Min 20.6C (29th) Lowest Max 26.0C (26th) Highest Min 27.6C (1st) Rainfall 77.4mm (115%) Days with Rain 10 Max Rain in Day 33.8mm (14th) Days with Thunder 6 Sunshine 237.0hrs (84%) Max UV 9.4 (3rd) Min UV 6.0 (28th)     |
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Post by segfault1361 on Oct 1, 2020 19:22:39 GMT -5
September was amazing, just like it has been almost every year. Finally past the point of extreme heat and we had lots of dry and mild weather.
Stats for Toronto Pearson Airport:
Average High: 22.0C
Average Low: 11.5C
Maximum High: 28.6C (Sep 3)
Minimum Low: 3.1C (Sep 19)
Top 5 Hottest Days (by highest daytime high):
1. 28.6C (Sep 3)
2. 28.3C (Sep 2)
3. 28.1C (Sep 1)
4. 27.6C (Sep 23)
5. 27.2C (Sep 27)
Top 5 Coolest Days (by lowest daytime high):
1. 14.4C (Sep 19)
2. 15.9C (Sep 18)
3. 16.5C (Sep 8)
4. 16.8C (Sep 20)
5. 17.5C (Sep 14)
Total Precipitation: 40.8mm
Total Measurable Precip Days: 10
Total Precip Days (trace included): 14
Rainiest Day: 10.4mm (Sep 1)
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Post by 🖕🏿Mörön🖕🏿 on Oct 1, 2020 22:12:27 GMT -5
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Post by Volodymyr Zelenskyy on Oct 1, 2020 22:25:21 GMT -5
It was pretty hot for the most part.
Highs: 121 (49) on the 5th to 97 (36) on the 9th and 10th
Lows: 90 (32) from the 5th to 7th to 67 (19) on the 10th
Forecast: Sunny for most days except smoke on the 8th and mostly sunny on the 10th.
No precipitation recorded.
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Lived:
Residence:
