Chatham County (Savannah)
September
Weather in Chatham County for September 2025
Your guide to Chatham County weather in September - trends and predictions
In general, the average temperature in Chatham County at the beginning of September is 30.3 °F. As the month progressed, temperatures tended to slightly decrease, reaching an average of 30 °F by the end of September.
The climate of Chatham County in September is notably wet, with an average of 13 rainy days.
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17
Dry days
13
Rainy days
0
Snow days
30°/20°
Temperatures
13 km/h
Avg max wind
69 %
Avg humidity
Chatham County in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  32° | 2  31° | 3 29° | 4 30° | 5  31° | 6 30° | 7  29° |
| 8  28° | 9  28° | 10 31° | 11 30° | 12  29° | 13 31° | 14 28° |
| 15 26° | 16 27° | 17  30° | 18 30° | 19 30° | 20 29° | 21 29° |
| 22 30° | 23 31° | 24  33° | 25 32° | 26  28° | 27  28° | 28 29° |
| 29 30° | 30 30° |
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Temperatures trend during September in Chatham 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 | Cloudy | 32° /23° | 0 mm | 7 | |
| Sept. 2 | Partly cloudy | 31° /21° | 1.5 mm | 8 | |
| Sept. 3 | Partly cloudy | 29° /21° | 6.3 mm | 7 | |
| Sept. 4 | Partly cloudy | 30° /20° | 0.4 mm | 7 | |
| Sept. 5 | Overcast | 31° /21° | 4.7 mm | 7 | |
| Sept. 6 | Overcast | 30° /21° | 19.6 mm | 7 | |
| Sept. 7 | Thundery outbreaks possible | 29° /21° | 10.7 mm | 7 | |
| Sept. 8 | Moderate or heavy rain with thunder | 28° /20° | 12.1 mm | 7 | |
| Sept. 9 | Light rain shower | 28° /20° | 3.1 mm | 6 | |
| Sept. 10 | Light rain shower | 31° /20° | 3.6 mm | 7 | |
| Sept. 11 | Partly cloudy | 30° /22° | 0.2 mm | 7 | |
| Sept. 12 | Fog | 29° /22° | 2.6 mm | 6 | |
| Sept. 13 | Thundery outbreaks possible | 31° /22° | 4.9 mm | 7 | |
| Sept. 14 | Light rain shower | 28° /21° | 2.5 mm | 7 | |
| Sept. 15 | Mist | 26° /21° | 5.3 mm | 6 | |
| Sept. 16 | Overcast | 27° /19° | 1.1 mm | 6 | |
| Sept. 17 | Moderate or heavy rain shower | 30° /20° | 11.9 mm | 7 | |
| Sept. 18 | Mist | 30° /21° | 4.6 mm | 6 | |
| Sept. 19 | Cloudy | 30° /21° | 0 mm | 7 | |
| Sept. 20 | Patchy rain possible | 29° /20° | 0 mm | 6 | |
| Sept. 21 | Light rain shower | 29° /21° | 16.3 mm | 7 | |
| Sept. 22 | Overcast | 30° /20° | 0 mm | 7 | |
| Sept. 23 | Overcast | 31° /19° | 0 mm | 7 | |
| Sept. 24 | Sunny | 33° /20° | 0 mm | 8 | |
| Sept. 25 | Sunny | 32° /21° | 0 mm | 7 | |
| Sept. 26 | Heavy rain | 28° /23° | 26.5 mm | 6 | |
| Sept. 27 | Light drizzle | 28° /23° | 31.5 mm | 7 | |
| Sept. 28 | Patchy light drizzle | 29° /20° | 0.2 mm | 7 | |
| Sept. 29 | Overcast | 30° /22° | 1.2 mm | 7 | |
| Sept. 30 | Overcast | 30° /21° | 0 mm | 7 | |
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Important Notice
Our weather forecast for Chatham 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 Chatham County forecast closer to your planned date for the most up-to-date weather information.
Chatham County in September - FAQ
What are the expected maximum and minimum temperatures in Chatham County during September?
Expect warm days with temperatures around 30°, cooling to mild conditions of 20° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Chatham County during September?
Significant rainfall exceeding 119.6 mm is expected in Chatham County during September, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Chatham County during September?
The average wind speed in Chatham County during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Chatham County
Explore the daily rainfall trends and prepare for Chatham Countys September weather 💧
UV exposure in Chatham County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Chatham County?Get accurate weather forecasts for Chatham County, located at latitude 32.084 and longitude -81.1. Stay updated with localized weather information tailored for Chatham County.
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