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Post by srfoskey on Oct 1, 2021 23:10:05 GMT -5
September was warmer and drier than average. The highs were much warmer than average, tying for 9th warmest on record. The lows, however, were near average. September had 20 90°F (32°C) days, which is more than July had this year, and the 7th most on record. This was also the first September since 2000 to have the hottest temperature of the year. It was the 7th driest September on record and the driest since 1956. The first 2/3 of the month felt like summer, but the last 1/3 felt more fall-like, albeit still warm. If the last day hadn't been so cool, it would've been only the second September ever to not have a high below 80°F (27°C).   |
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Post by ral31 on Oct 2, 2021 8:29:19 GMT -5
Temps averaged near normal (-0.2F). Precip above normal (+2.97"). Was summer-like with heat and humidity to start the month and mid-month. Had two periods of low humidity and cooler nights. Received some heavy rainfall from Hurricane Nicholas on Sept 14. I got a good bit more rain than the airport with 9.78" for the month (I received more from training t-storms the evening of Sept 5 and also got more from Hurricane Nicholas).  Lowest max: 77F Highest min: 76F Days 90F or above: 13 Days with thunder: 7 Highest dewpoint: 78F Lowest dewpoint: 49F Average dewpoint: 67.7F  |
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Post by Steelernation on Oct 2, 2021 10:53:15 GMT -5
Other stats:
True daily mean: 66.5 f (19.2 c)
Mean 3 PM temp: 80.6 f (27.0 c)
Mean 3 PM dew: 37.6 f (3.1 c)
Mean 3 PM RH: 21%
Highest dew: 62.5 (16.9 c)
Lowest dew: 17.1 (-8.3 c)
Rain hours: 4.2
Sun hours*: 307
Sun percent: 84%
*Using Tommy’s method, from Ault 1E
It seems high but almost every day except the last 2 was sunny
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Post by segfault1361 on Oct 2, 2021 14:41:40 GMT -5
212% of the normal precipitation for Toronto Pearson Airport... September is usually known for a dry sunny month but definitely not this year.  |
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Post by firebird1988 on Oct 2, 2021 14:50:43 GMT -5
September 2021 Phoenix, AZ Summary
Highest Temp 43.9°C
Lowest Temp 20.6°C
Minimum High 26.7°C
Maximum Low 30.6°C
Avg High 37.9°C Dep +0°C
Avg Low 25.8°C Dep +0.6°C
Mean Temp 31.85°C Dep +0.3°C
Total Precip 19.3 mm
Departure +3.81 mm
Records=1
I. 9th Record High
43.9°C Dep +5°C
Five Warmest Days
I. 9th 37°C (43.9°C/30°C)
II. 11th 35.9°C (42.2°C/29.4°C)
III. 12th 35.6°C (42.8°C/28.3°C)
IV. 7th 35.6°C (40.6°C/30.6°C)
Vtie. 10th 35.3°C (42.2°C/28.3°C)
Vtie. 13th 35.3°C (42.2°C/28.3°C)
Five Coolest Days
I. 26th 23.6°C (26.7°C/20.6°C)
II. 27th 25.6°C (30°C/21.1°C)
III. 30th 26.7°C (32.2°C/21.1°C)
IV. 29th 27.2°C (31.7°C/22.8°C)
V. 28th 27.5°C (32.8°C/22.2°C)
September 2021 Riverside, CA Summary
Highest Temp 41.7°C
Lowest Temp 11.7°C
Minimum High 23.3°C
Maximum Low 22.2°C
Avg High 32.9°C Dep -0.2°C
Avg Low 17°C Dep +0.3°C
Mean Temp 24.95°C Dep +0.05°C
Total Precip 0.00 mm
Departure -2.79 mm
Records=0
Five Warmest Days
I. 5th 30.3°C (41.7°C/18.9°C)
II. 10th 29.7°C (37.2°C/22.2°C)
III. 11th 29.4°C (38.3°C/20.6°C)
IV. 9th 29.4°C (37.2°C/21.7°C)
V. 22nd 28.9°C (38.3°C/19.4°C)
Five Coolest Days
I. 27th 20°C (23.3°C/16.7°C)
II. 28th 20°C (23.9°C/16.1°C)
III. 26th 20.6°C (25.6°C/15.6°C)
IV. 29th 20.9°C (26.1°C/15.6°C)
V. 17th 21.4°C (29.4°C/13.3°C)
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Post by flamingGalah on Oct 2, 2021 19:45:53 GMT -5
September was warmer than August & was the 2nd warmest on record for the UK & 3rd warmest for England. Most of the month was dry with the bulk of the total rainfall falling on the last few days, overall rainfall was below average. Sunshine was around average. Stats from my PWS Av.Max 21.3C (+2.1C) Av.Min 12.8C (+1.6C) Mean 17.1C (+1.9C) Highest Max 28.0C (6th) Lowest Min 5.3C (30th) Lowest Max 15.2C (29th) Highest Min 17.2C (8th) Rainfall 47.6mm (79%) Days with Rain 11 Days with >1.0mm 6 Days with Thunder 1 Sunshine 162.4hrs (102%) Max UV 5 Min UV 2 High Sea Temperature 19.0C Low Sea Temperature 17.6C Mean Sea Temperature 18.4C     |
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Post by desiccatedi85 on Oct 2, 2021 23:03:54 GMT -5
Was a warmer and much wetter than average September, although it didn’t really feel wet as over 75% of the month’s rainfall came on Sep 1 courtesy of Hurricane Ida remnants. LGA Airport (Values/Departures from average)
| Max Temperature | 88.0 | -2.0 | | Average Max | 79.2 | +2.0 | | Average Min | 66.3 | +1.9 | | Min Temperature | 56.0 | +3.0 | | Rainfall | 8.75” | +4.87” | | Rainy Days | 9 | +1 | | Average Temperature | 72.8 | +1.9 |
Farmingdale (Values/Departures from average)
| Max Temperature | 85.0 | -1.0 | | Average Max | 77.4 | +1.9 | | Average Min | 63.0 | +2.6 | | Min Temperature | 53.0 | +5.0 | | Rainfall | 3.90” | -0.08” | | Rainy Days | 8 | =0 | | Average Temperature | 70.2 | +2.3 |
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Post by AJ1013 on Oct 4, 2021 13:13:39 GMT -5
Synopsis: A fairly average month with an early heatwave followed by a cooler spell towards the end of the month. Average high: 94.4F Mean: 81.6F Average Low: 68.7F Highest Max: 103F (12th) Highest Min: 76F (9th) Lowest Max: 82F (27th) Lowest Min: 62F (30th) Precip: 1.29" Precip Days: 10   |
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Post by Moron on Oct 5, 2021 0:40:37 GMT -5
Slightly warmer than average, sunny and dry; a pretty great month overall. Started very variable with great swings between mid 20s and low teens, sunny weather, wet weather, windy and cloudy. The final week of the month was fairly stable, dry and generally sunny. Perth Metro High Max: 30.4C (22nd) Mean Max: 21.5C (+1.0C) Low Max: 13.9C (2nd) Monthly Anomaly: +0.3C High Min: 15.6C (1st) Mean Min: 9.2C (-0.4C) Low Min: 3.7C (4th) Rainfall: 62.2mm (75.2% of average 82.7mm) Rain Days: 13 (-1.6 days) Sun hours: 250.1  Wiluna Slightly cooling than average, not too variable. September is the driest month with a mean of 6.7mm and a median of 2.2mm, so yeah 0.0mm is nothing out of the ordinary. High Max: 33.6C (25th) Mean Max: 27.0C (+0.6C) Low Max: 18.4C (3rd) Monthly Anomaly: -0.15C High Min: 18.9C (25th) Mean Min: 9.1C (-0.9C) Low Min: 3.1C (18th) Rainfall: 0.0mm Rain Days: 0  |
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Post by Morningrise on Oct 5, 2021 21:30:36 GMT -5
Super late since I was in Vancouver for the first few days of October, but here we go... September was another really nice month in Saskatoon, a couple degrees above average and with no serious cold snaps. The dryness also continued, with only 5.6mm of precipitation in the month. Average high: 22.3C (normal: 18.3C) Average low: 5.2C (normal: 4.5C) Mean temperature: 13.7C (normal: 11.4C) Warmest high: 32.9C (Sept 18th) Warmest low: 12.5C (Sept 18th) Coldest high: 13.2C (Sept 16th) Coldest low: -2.8C (Sept 17th) Precipitation total: 5.6mm (normal: 35.4mm) Precipitation days: 4 (normal: 8.4) Highs above 30C: 2 Highs above 25C: 8 Highs above 20C: 20 Lows below 10C: 27 Lows below 5C: 12 Lows below 0C: 4  |
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Post by urania93 on Oct 9, 2021 11:09:12 GMT -5
Here there are also my summaries, particularly late this time... Starting from the closest weather station to my village:   Turin city center, closer to where I live now   As a reference, Turin airport:   Comparing these last stats with the 71/00 averages, the temps were 2.7/2.6°C warmer than the historical average and the prec were the 41% of the average. |
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Post by jgtheone on Oct 10, 2021 1:28:23 GMT -5
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Post by knot on Oct 10, 2021 4:41:35 GMT -5
September 2021 Summary   A wet month, and of average temperature. Painfully stable and unremarkable by Sep standards. Anomalies @ Hunters Hill (1993–2020)• Mean Maximum: 12.2° C (–0.1° C) • Mean Minimum: 4.7° C (+0.2° C) • Precipitation: 213.0 mm (187.2%)
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Post by Cadeau on Oct 10, 2021 13:50:45 GMT -5
Reykjavík, Höfuðborgarsvæðið, Iceland September 2021  * The cloudiest September on record since 1949. (1st of 73 years)<September with less than 70 hours of sunshine duration> | Rank | Sunshine Hours | Year/Month | | 1st | 52.7 | 2021/09 | | 2nd | 55.3 | 1996/09 | | 3rd | 59.6 | 1949/09 | | 4th | 68.1 | 1953/09 |
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Post by Cadeau on Oct 10, 2021 13:53:42 GMT -5
▼ <Monthly Climate Anomaly over Japan>
▼ <Time Series of Temperature Anomaly>
▼ <Time Series of 10days Precipitation Amount Ratio and Sunshine Duration Ratio>
▼ <10-day Mean Sea Level Pressure>
▼ <10-day Mean 850hPa Temperature>
▼ <10-day Mean 500hPa GeoPotential Height>
▼ <10-day Mean Outgoing Longwave Radiation>
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