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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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Average dry days
17
Dry days
Average rainy days
13
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/20°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
69 %
Avg humidity

Chatham County in September average weather

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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
Cloudy
32° /23° 0 mm 7
Sept. 2 Partly cloudy
Partly cloudy
31° /21° 1.5 mm 8
Sept. 3 Partly cloudy
Partly cloudy
29° /21° 6.3 mm 7
Sept. 4 Partly cloudy
Partly cloudy
30° /20° 0.4 mm 7
Sept. 5 Overcast
Overcast
31° /21° 4.7 mm 7
Sept. 6 Overcast
Overcast
30° /21° 19.6 mm 7
Sept. 7 Thundery outbreaks possible
Thundery outbreaks possible
29° /21° 10.7 mm 7
Sept. 8 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
28° /20° 12.1 mm 7
Sept. 9 Light rain shower
Light rain shower
28° /20° 3.1 mm 6
Sept. 10 Light rain shower
Light rain shower
31° /20° 3.6 mm 7
Sept. 11 Partly cloudy
Partly cloudy
30° /22° 0.2 mm 7
Sept. 12 Fog
Fog
29° /22° 2.6 mm 6
Sept. 13 Thundery outbreaks possible
Thundery outbreaks possible
31° /22° 4.9 mm 7
Sept. 14 Light rain shower
Light rain shower
28° /21° 2.5 mm 7
Sept. 15 Mist
Mist
26° /21° 5.3 mm 6
Sept. 16 Overcast
Overcast
27° /19° 1.1 mm 6
Sept. 17 Moderate or heavy rain shower
Moderate or heavy rain shower
30° /20° 11.9 mm 7
Sept. 18 Mist
Mist
30° /21° 4.6 mm 6
Sept. 19 Cloudy
Cloudy
30° /21° 0 mm 7
Sept. 20 Patchy rain possible
Patchy rain possible
29° /20° 0 mm 6
Sept. 21 Light rain shower
Light rain shower
29° /21° 16.3 mm 7
Sept. 22 Overcast
Overcast
30° /20° 0 mm 7
Sept. 23 Overcast
Overcast
31° /19° 0 mm 7
Sept. 24 Sunny
Sunny
33° /20° 0 mm 8
Sept. 25 Sunny
Sunny
32° /21° 0 mm 7
Sept. 26 Heavy rain
Heavy rain
28° /23° 26.5 mm 6
Sept. 27 Light drizzle
Light drizzle
28° /23° 31.5 mm 7
Sept. 28 Patchy light drizzle
Patchy light drizzle
29° /20° 0.2 mm 7
Sept. 29 Overcast
Overcast
30° /22° 1.2 mm 7
Sept. 30 Overcast
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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Location coordinates 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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