Forsyth County (Cumming)
September
Weather in Forsyth County for September 2025
Your guide to Forsyth County weather in September - trends and predictions
In general, the average temperature in Forsyth County at the beginning of September is 26.9 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 24.9 °F by the end of September.
The climate of Forsyth County in September is notably wet, with an average of 12 rainy days, and a total of 621.1 mm of precipitation.
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Temperatures
Rain 🌧️
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18
Dry days
12
Rainy days
0
Snow days
27°/19°
Temperatures
16 km/h
Avg max wind
73 %
Avg humidity
Forsyth County in September average weather
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  33° | 2 25° | 3  29° | 4  28° | 5  24° | 6 21° | |
| 7  28° | 8 26° | 9 29° | 10  30° | 11  25° | 12  20° | 13 20° |
| 14  21° | 15 25° | 16 29° | 17 29° | 18 25° | 19 29° | 20 31° |
| 21 31° | 22 33° | 23 32° | 24 31° | 25 25° | 26  22° | 27 22° |
| 28 24° | 29 25° | 30 25° |
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Temperatures trend during September in Forsyth County
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 | Patchy light drizzle | 33° /22° | 2.4 mm | 7 | |
| Sept. 2 | Patchy light drizzle | 25° /20° | 1 mm | 6 | |
| Sept. 3 | Cloudy | 29° /20° | 0 mm | 6 | |
| Sept. 4 | Partly cloudy | 28° /17° | 0 mm | 7 | |
| Sept. 5 | Patchy rain possible | 24° /19° | 0.2 mm | 5 | |
| Sept. 6 | Light rain | 21° /16° | 11 mm | 5 | |
| Sept. 7 | Mist | 28° /16° | 4.2 mm | 6 | |
| Sept. 8 | Cloudy | 26° /19° | 0 mm | 6 | |
| Sept. 9 | Partly cloudy | 29° /16° | 0.1 mm | 7 | |
| Sept. 10 | Sunny | 30° /16° | 0 mm | 8 | |
| Sept. 11 | Overcast | 25° /17° | 0 mm | 6 | |
| Sept. 12 | Moderate rain | 20° /17° | 9.4 mm | 4 | |
| Sept. 13 | Light rain shower | 20° /18° | 6.9 mm | 4 | |
| Sept. 14 | Moderate or heavy rain shower | 21° /19° | 21.1 mm | 5 | |
| Sept. 15 | Patchy rain possible | 25° /19° | 0.1 mm | 6 | |
| Sept. 16 | Partly cloudy | 29° /17° | 0 mm | 7 | |
| Sept. 17 | Sunny | 29° /17° | 0 mm | 7 | |
| Sept. 18 | Fog | 25° /17° | 0 mm | 6 | |
| Sept. 19 | Overcast | 29° /19° | 0 mm | 6 | |
| Sept. 20 | Fog | 31° /19° | 0 mm | 7 | |
| Sept. 21 | Cloudy | 31° /20° | 0 mm | 7 | |
| Sept. 22 | Cloudy | 33° /23° | 0 mm | 7 | |
| Sept. 23 | Cloudy | 32° /22° | 0 mm | 7 | |
| Sept. 24 | Fog | 31° /22° | 0 mm | 7 | |
| Sept. 25 | Fog | 25° /22° | 11.4 mm | 6 | |
| Sept. 26 | Heavy rain | 22° /19° | 333.9 mm | 5 | |
| Sept. 27 | Heavy rain | 22° /20° | 213.2 mm | 5 | |
| Sept. 28 | Overcast | 24° /19° | 2.9 mm | 5 | |
| Sept. 29 | Moderate rain at times | 25° /18° | 3.3 mm | 6 | |
| Sept. 30 | Fog | 25° /17° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Forsyth County 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 Forsyth County forecast closer to your planned date for the most up-to-date weather information.
Forsyth County in September - FAQ
What are the expected maximum and minimum temperatures in Forsyth County 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 Forsyth County during September?
Significant rainfall exceeding 621.1 mm is expected in Forsyth County during September, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Forsyth County during September?
The average wind speed in Forsyth County during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Forsyth County
Explore the daily rainfall trends and prepare for Forsyth Countys September weather 💧
UV exposure in Forsyth County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Forsyth County?Get accurate weather forecasts for Forsyth County, located at latitude 34.207 and longitude -84.14. Stay updated with localized weather information tailored for Forsyth County.
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