Weather in Wilmington, North Carolina for September 2025
Until now, September 2025 in Wilmington has been nearly identical to the historical average, with a temperature of 27.2 °F (showing only a slight deviation of 0.2 °F).
The forecast for the next days in Wilmington predicts temperatures to be around 28 °F, close to the historical average.
In general, the average temperature in Wilmington at the beginning of September is 28.4 °F. As the month progressed, temperatures tended to remain steady, reaching an average of 28.4 °F by the end of September.
The climate of Wilmington in September is notably wet, with an average of 13 rainy days, and a total of 266.7 mm of precipitation.
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Wilmington Weather September
Temperatures trend during September in Wilmington
September weather in Wilmington day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Patchy rain possible | 29° /21° | 1.4 mm | 7 | |
| Sept. 2 |  Moderate or heavy rain shower | 28° /21° | 13 mm | 7 | |
| Sept. 3 |  Partly cloudy | 29° /20° | 2.3 mm | 7 | |
| Sept. 4 | Light rain shower | 27° /22° | 2.8 mm | 7 | |
| Sept. 5 | Patchy rain possible | 30° /22° | 0.1 mm | 7 | |
| Sept. 6 | Patchy rain possible | 29° /22° | 0.2 mm | 7 | |
| Sept. 7 | Light rain shower | 27° /21° | 14.3 mm | 6 | |
| Sept. 8 | Patchy rain possible | 24° /19° | 0.1 mm | 6 | |
| Sept. 9 | Patchy rain possible | 24° /18° | 0 mm | 6 | |
| Sept. 10 |  Sunny | 26° /18° | 0 mm | 6 | |
| Sept. 11 |  Overcast | 27° /19° | 0 mm | 6 | |
| Sept. 12 | Patchy rain possible | 26° /20° | 0.2 mm | 6 | |
| Sept. 13 | Moderate or heavy rain shower | 24° /20° | 22.9 mm | 6 | |
| Sept. 14 | Light rain shower | 28° /19° | 1.2 mm | 6 | |
| Sept. 15 | Patchy rain possible | 27° /21° | 2 mm | 6 | |
| Sept. 16 | Overcast | 19° /17° | 0 mm | 0.6 | |
| Sept. 17 | Partly cloudy | 23° /17° | 0 mm | 1.1 | |
| Sept. 18 |  Mist | 29° /17° | 0 mm | 1.6 | |
| Sept. 19 | Partly cloudy | 30° /20° | 0 mm | 1.6 | |
| Sept. 20 | Sunny | 29° /20° | 0 mm | 0 | |
| Sept. 21 | Partly cloudy | 28° /20° | 0.1 mm | 6 | |
| Sept. 22 | Sunny | 29° /20° | 0 mm | 6 | |
| Sept. 23 | Partly cloudy | 30° /20° | 0 mm | 6 | |
| Sept. 24 | Sunny | 30° /21° | 0 mm | 6 | |
| Sept. 25 | Patchy rain possible | 32° /22° | 0.2 mm | 6 | |
| Sept. 26 |  Moderate rain | 26° /22° | 5.5 mm | 5 | |
| Sept. 27 | Patchy rain possible | 26° /22° | 2.7 mm | 5 | |
| Sept. 28 | Patchy rain possible | 28° /21° | 0.8 mm | 5 | |
| Sept. 29 | Patchy rain possible | 28° /22° | 2.4 mm | 5 | |
| Sept. 30 | Fog | 29° /22° | 0 mm | 6 | |
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Wilmington in September - FAQ
September rainfall patterns in Wilmington
UV exposure in Wilmington during September
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Where is Wilmington?Get accurate weather forecasts for Wilmington, located at latitude 34.226 and longitude -77.945. Stay updated with localized weather information tailored for Wilmington.