Durham County (Durham)
September
Weather in Durham County for September 2025
Your guide to Durham County weather in September - trends and predictions
In general, the average temperature in Durham County at the beginning of September is 30.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 25.6 °F by the end of September.
Durham County sees moderate rainfall in September, averaging 10 rainy days.
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20
Dry days
10
Rainy days
0
Snow days
29°/17°
Temperatures
13 km/h
Avg max wind
68 %
Avg humidity
Durham County in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  31° | 2  29° | 3 29° | 4 30° | 5 32° | 6  32° | 7 31° |
| 8 30° | 9  29° | 10  29° | 11 29° | 12 30° | 13  28° | 14  28° |
| 15 27° | 16 25° | 17 25° | 18 27° | 19 26° | 20 29° | 21 28° |
| 22 27° | 23  21° | 24 24° | 25 28° | 26 24° | 27 24° | 28 26° |
| 29 26° | 30 27° |
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Temperatures trend during September in Durham 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 | Sunny | 31° /17° | 7.5 mm | 7 | |
| Sept. 2 | Overcast | 29° /17° | 1.5 mm | 7 | |
| Sept. 3 | Sunny | 29° /16° | 0 mm | 7 | |
| Sept. 4 | Sunny | 30° /17° | 0 mm | 7 | |
| Sept. 5 | Sunny | 32° /19° | 0.1 mm | 8 | |
| Sept. 6 | Thundery outbreaks possible | 32° /19° | 0.2 mm | 7 | |
| Sept. 7 | Thundery outbreaks possible | 31° /18° | 0.8 mm | 7 | |
| Sept. 8 | Thundery outbreaks possible | 30° /16° | 2.1 mm | 7 | |
| Sept. 9 | Light rain shower | 29° /16° | 5.6 mm | 7 | |
| Sept. 10 | Moderate or heavy rain shower | 29° /16° | 4.6 mm | 7 | |
| Sept. 11 | Light rain shower | 29° /17° | 1.5 mm | 7 | |
| Sept. 12 | Light rain shower | 30° /17° | 0.6 mm | 7 | |
| Sept. 13 | Fog | 28° /18° | 3.1 mm | 7 | |
| Sept. 14 | Partly cloudy | 28° /18° | 0.4 mm | 7 | |
| Sept. 15 | Sunny | 27° /15° | 1.5 mm | 7 | |
| Sept. 16 | Overcast | 25° /15° | 23.6 mm | 6 | |
| Sept. 17 | Overcast | 25° /18° | 65.2 mm | 6 | |
| Sept. 18 | Fog | 27° /18° | 18.6 mm | 6 | |
| Sept. 19 | Sunny | 26° /17° | 8.4 mm | 6 | |
| Sept. 20 | Sunny | 29° /17° | 0 mm | 7 | |
| Sept. 21 | Overcast | 28° /17° | 1.2 mm | 6 | |
| Sept. 22 | Overcast | 27° /18° | 0.1 mm | 6 | |
| Sept. 23 | Heavy rain | 21° /16° | 18.3 mm | 5 | |
| Sept. 24 | Overcast | 24° /17° | 9.8 mm | 6 | |
| Sept. 25 | Patchy rain possible | 28° /20° | 0 mm | 6 | |
| Sept. 26 | Patchy rain possible | 24° /19° | 0.1 mm | 6 | |
| Sept. 27 | Overcast | 24° /18° | 32.5 mm | 5 | |
| Sept. 28 | Overcast | 26° /16° | 5.3 mm | 6 | |
| Sept. 29 | Fog | 26° /17° | 5.6 mm | 6 | |
| Sept. 30 | Fog | 27° /17° | 6.6 mm | 6 | |
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Important Notice
Our weather forecast for Durham 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 Durham County forecast closer to your planned date for the most up-to-date weather information.
Durham County in September - FAQ
What are the expected maximum and minimum temperatures in Durham County during September?
During September, expect a variety of temperatures with highs around 29° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Durham County during September?
Moderate rainfall is anticipated in Durham County during September, with a total of 79.8 mm spread over approximately 10 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Durham County during September?
The average wind speed in Durham County during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Durham County
Explore the daily rainfall trends and prepare for Durham Countys September weather 💧
UV exposure in Durham County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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