Cumming (GA)
September
Weather in Cumming, Georgia for September 2026
Your guide to Cumming weather in September - trends and predictions
So far, September 2026 in Cumming shows a warmer trend than usual by 4.4 °F.
The forecast for the next days in Cumming predicts temperatures to be around 28 °F, close to the historical average.
In general, the average temperature in Cumming at the beginning of September is 30.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 26.4 °F by the end of September.
The climate of Cumming in September is notably wet, with an average of 15 rainy days, and a total of 334.3 mm of precipitation.
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Temperatures
Rain 🌧️
More
15
Dry days
15
Rainy days
0
Snow days
27°/19°
Temperatures
14 km/h
Avg max wind
70 %
Avg humidity
Cumming Weather September
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Temperatures trend during September in Cumming
See the weather trend as well as the moving average line
September weather in Cumming day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Patchy light drizzle | 31° /20° | 0.8 mm | 7 | |
| Sept. 2 | Patchy light drizzle | 30° /19° | 0.3 mm | 7 | |
| Sept. 3 |  Cloudy | 31° /19° | 0 mm | 7 | |
| Sept. 4 |  Partly cloudy | 32° /20° | 1.2 mm | 8 | |
| Sept. 5 |  Patchy rain possible | 32° /21° | 0.1 mm | 7 | |
| Sept. 6 | Light rain | 30° /20° | 3.8 mm | 5 | |
| Sept. 7 |  Mist | 28° /18° | 1.7 mm | 5 | |
| Sept. 8 | Cloudy | 27° /18° | 0 mm | 7 | |
| Sept. 9 | Partly cloudy | 29° /17° | 0 mm | 8 | |
| Sept. 10 |  Sunny | 29° /16° | 0.1 mm | 7 | |
| Sept. 11 |  Overcast | 29° /17° | 1.8 mm | 7 | |
| Sept. 12 |  Moderate rain | 25° /19° | 58.5 mm | 4 | |
| Sept. 13 | Light rain shower | 26° /18° | 2.4 mm | 6 | |
| Sept. 14 |  Moderate or heavy rain shower | 28° /18° | 7 mm | 7 | |
| Sept. 15 | Patchy rain possible | 27° /20° | 1.2 mm | 7 | |
| Sept. 16 | Partly cloudy | 28° /17° | 0 mm | 7 | |
| Sept. 17 | Sunny | 33° /20° | 0.5 mm | 8.2 | |
| Sept. 18 | Sunny | 35° /21° | 26.4 mm | 8.5 | |
| Sept. 19 | Mist | 29° /21° | 19.1 mm | 5.7 | |
| Sept. 20 | Overcast | 30° /19° | 7 mm | 7 | |
| Sept. 21 | Light rain shower | 26° /21° | 19.7 mm | 6 | |
| Sept. 22 | Light rain shower | 24° /19° | 16.2 mm | 5 | |
| Sept. 23 | Patchy rain possible | 27° /19° | 0.3 mm | 6 | |
| Sept. 24 | Overcast | 29° /22° | 10 mm | 6 | |
| Sept. 25 | Sunny | 25° /15° | 0.9 mm | 6 | |
| Sept. 26 | Sunny | 26° /16° | 0 mm | 7 | |
| Sept. 27 | Overcast | 26° /17° | 0 mm | 7 | |
| Sept. 28 | Overcast | 27° /18° | 0 mm | 6 | |
| Sept. 29 | Overcast | 28° /19° | 0.1 mm | 6 | |
| Sept. 30 | Fog | 24° /17° | 0 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Cumming in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Cumming forecast closer to your planned date for the most up-to-date weather information.
Change Month
Cumming in September - FAQ
What are the expected maximum and minimum temperatures in Cumming during September?
During September, expect a variety of temperatures with highs around 27° and lows near 19°, suitable for diverse activities and preferences.
How much rainfall should be expected in Cumming during September?
Significant rainfall exceeding 334.3 mm is expected in Cumming during September, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Cumming during September?
The average wind speed in Cumming during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Cumming
Explore the daily rainfall trends and prepare for Cummings September weather 💧
Typically, Cumming has 15 rainy days in September with a total of 334.3 mm of rainfall.
UV exposure in Cumming during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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