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Weather in Durham, North Carolina for September 2025

Your guide to Durham weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Durham has been significantly cooler than historical averages by -2 °F, with average temperature of 26.7 °F.

  • The forecast for the next days in Durham predicts temperatures to be around 28 °F, close to the historical average.

  • In general, the average temperature in Durham at the beginning of September is 29.9 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 27.6 °F by the end of September.

    • Rain 🌧️

  • Durham in September brings notable rainfall, with an average of 19 rainy days and a total precipitation of 224.8 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
11
Dry days
Average rainy days
19
Rainy days
Average snowy days
0
Snow days
Average temperatures
27°/17°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Durham Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
29°
2
Overcast
27°
3
Sunny
29°
4
Sunny
31°
5
Sunny
32°
6
Thundery outbreaks possible
32°
7
Thundery outbreaks possible
29°
8
Thundery outbreaks possible
29°
9
Light rain shower
27°
10
Moderate or heavy rain shower
26°
11
Light rain shower
27°
12
Overcast
28°
13
Partly cloudy
28°
14
Partly cloudy
29°
15
Sunny
28°
16
Moderate or heavy rain shower
23°
17
Overcast
26°
18
Sunny
29°
19
Sunny
30°
20
Patchy rain possible
32°
21
Overcast
28°
22
Overcast
23°
23
Partly cloudy
32°
24
Sunny
34°
25
Sunny
33°
26
Sunny
28°
27
Partly cloudy
23°
28
Patchy rain possible
26°
29
Patchy rain possible
22°
30
Fog
27°

Temperatures trend during September in Durham

See the weather trend as well as the moving average line

September weather in Durham day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Sunny
Sunny
 29° /16° 5 mm 7
Sept. 2 Overcast
Overcast
 27° /17° 1 mm 6
Sept. 3 Sunny
Sunny
 29° /16° 0 mm 7
Sept. 4 Sunny
Sunny
 31° /17° 0 mm 7
Sept. 5 Sunny
Sunny
 32° /19° 0.1 mm 8
Sept. 6 Thundery outbreaks possible
Thundery outbreaks possible
 32° /20° 1.2 mm 7
Sept. 7 Thundery outbreaks possible
Thundery outbreaks possible
 29° /19° 13.4 mm 7
Sept. 8 Thundery outbreaks possible
Thundery outbreaks possible
 29° /16° 1.4 mm 7
Sept. 9 Light rain shower
Light rain shower
 27° /15° 3.7 mm 6
Sept. 10 Moderate or heavy rain shower
Moderate or heavy rain shower
 26° /16° 3.1 mm 6
Sept. 11 Light rain shower
Light rain shower
 27° /17° 1 mm 6
Sept. 12 Overcast
Overcast
 28° /16° 0.4 mm 6
Sept. 13 Partly cloudy
Partly cloudy
 28° /17° 3.7 mm 7
Sept. 14 Partly cloudy
Partly cloudy
 29° /17° 0.3 mm 7
Sept. 15 Sunny
Sunny
 28° /16° 1 mm 7
Sept. 16 Moderate or heavy rain shower
Moderate or heavy rain shower
 23° /15° 52.4 mm 5
Sept. 17 Overcast
Overcast
 26° /17° 0 mm 1.1
Sept. 18 Sunny
Sunny
 29° /18° 0 mm 1.7
Sept. 19 Sunny
Sunny
 30° /20° 0 mm 1.6
Sept. 20 Patchy rain possible
Patchy rain possible
 32° /18° 0.8 mm 1.4
Sept. 21 Overcast
Overcast
 28° /17° 0 mm 0
Sept. 22 Overcast
Overcast
 23° /18° 0 mm 4
Sept. 23 Partly cloudy
Partly cloudy
 32° /16° 0 mm 6
Sept. 24 Sunny
Sunny
 34° /19° 0 mm 7
Sept. 25 Sunny
Sunny
 33° /17° 0 mm 6
Sept. 26 Sunny
Sunny
 28° /14° 0 mm 6
Sept. 27 Partly cloudy
Partly cloudy
 23° /15° 0 mm 5
Sept. 28 Patchy rain possible
Patchy rain possible
 26° /14° 1.1 mm 4
Sept. 29 Patchy rain possible
Patchy rain possible
 22° /18° 0.3 mm 4
Sept. 30 Fog
Fog
 27° /17° 6.6 mm 6
Next
Important Notice
Our weather forecast for Durham 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 forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Durham in September - FAQ

What are the expected maximum and minimum temperatures in Durham during September?
During September, expect a variety of temperatures with highs around 27° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Durham during September?
Significant rainfall exceeding 224.8 mm is expected in Durham during September, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Durham during September?
The average wind speed in Durham during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Durham

Explore the daily rainfall trends and prepare for Durhams September weather 💧

UV exposure in Durham during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

Quick links

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Location coordinates Where is Durham?

Get accurate weather forecasts for Durham, located at latitude 35.994 and longitude -78.899. Stay updated with localized weather information tailored for Durham.

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