Weather in Guilford County, North Carolina for September 2025
Until now, September 2025 in Guilford County is cooler than usual, with temperatures averaging 25.7 °F, this is -2.3 °F below the typical seasonal average.
Expect cooler weather in the next days in Guilford County with the forecast suggesting a temperature of 26.8 °F, lower than the historical average.
In general, the average temperature in Guilford County at the beginning of September is 29.1 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 27.9 °F by the end of September.
Guilford County in September brings notable rainfall, with an average of 17 rainy days and a total precipitation of 295.9 mm.
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Guilford County Weather September
Temperatures trend during September in Guilford County
September weather in Guilford County day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Partly cloudy | 28° /16° | 2.8 mm | 7 | |
| Sept. 2 |  Sunny | 28° /16° | 0.5 mm | 7 | |
| Sept. 3 | Sunny | 28° /15° | 0 mm | 7 | |
| Sept. 4 | Sunny | 30° /16° | 0 mm | 7 | |
| Sept. 5 | Sunny | 32° /19° | 0.7 mm | 8 | |
| Sept. 6 | Sunny | 31° /19° | 1.4 mm | 7 | |
| Sept. 7 |  Thundery outbreaks possible | 27° /18° | 1.9 mm | 6 | |
| Sept. 8 | Thundery outbreaks possible | 27° /15° | 9.9 mm | 6 | |
| Sept. 9 |  Moderate or heavy rain shower | 25° /14° | 18.3 mm | 6 | |
| Sept. 10 | Moderate or heavy rain shower | 26° /15° | 3.3 mm | 6 | |
| Sept. 11 |  Overcast | 27° /16° | 4.1 mm | 6 | |
| Sept. 12 | Overcast | 28° /16° | 0 mm | 6 | |
| Sept. 13 |  Mist | 27° /16° | 0 mm | 6 | |
| Sept. 14 | Partly cloudy | 28° /16° | 0.1 mm | 7 | |
| Sept. 15 | Sunny | 26° /15° | 0.1 mm | 6 | |
| Sept. 16 |  Heavy rain | 18° /15° | 30.4 mm | 0.2 | |
| Sept. 17 |  Cloudy | 18° /16° | 0 mm | 0.7 | |
| Sept. 18 | Cloudy | 28° /16° | 0 mm | 1.6 | |
| Sept. 19 | Sunny | 32° /19° | 0 mm | 1.6 | |
| Sept. 20 | Sunny | 30° /18° | 0 mm | 0 | |
| Sept. 21 | Overcast | 23° /16° | 0.1 mm | 4 | |
| Sept. 22 | Sunny | 27° /15° | 0 mm | 6 | |
| Sept. 23 | Sunny | 30° /15° | 0 mm | 6 | |
| Sept. 24 | Sunny | 33° /19° | 0 mm | 6 | |
| Sept. 25 |  Patchy rain possible | 23° /19° | 0.7 mm | 5 | |
| Sept. 26 | Partly cloudy | 30° /19° | 0 mm | 6 | |
| Sept. 27 | Mist | 30° /19° | 0.1 mm | 5 | |
| Sept. 28 | Patchy rain possible | 29° /19° | 0.2 mm | 5 | |
| Sept. 29 | Patchy rain possible | 24° /19° | 1.9 mm | 5 | |
| Sept. 30 | Fog | 26° /16° | 8.2 mm | 6 | |
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Guilford County in September - FAQ
September rainfall patterns in Guilford County
UV exposure in Guilford County during September
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Where is Guilford County?Get accurate weather forecasts for Guilford County, located at latitude 36.073 and longitude -79.792. Stay updated with localized weather information tailored for Guilford County.