Guilford County (Greensboro)
September
Weather in Guilford County, North Carolina for September 2026
Your guide to Guilford County weather in September - trends and predictions
So far, September 2026 in Guilford County shows a warmer trend than usual by 2.5 °F.
The forecast for the next days in Guilford County predicts a temperature of 24.5 °F, which is cooler than the historical average.
In general, the average temperature in Guilford County at the beginning of September is 31 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 25.9 °F by the end of September.
Guilford County in September brings notable rainfall, with an average of 19 rainy days and a total precipitation of 260.3 mm.
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Temperatures
Rain 🌧️
More
11
Dry days
19
Rainy days
0
Snow days
26°/17°
Temperatures
14 km/h
Avg max wind
72 %
Avg humidity
Guilford County Weather September
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Temperatures trend during September in Guilford County
See the weather trend as well as the moving average line
September weather in Guilford County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 31° /17° | 2.1 mm | 8 | |
| Sept. 2 | Sunny | 30° /17° | 0.4 mm | 8 | |
| Sept. 3 | Sunny | 31° /16° | 0 mm | 8 | |
| Sept. 4 | Sunny | 33° /18° | 5.9 mm | 8 | |
| Sept. 5 | Sunny | 33° /19° | 0.5 mm | 8 | |
| Sept. 6 |  Fog | 31° /19° | 1.5 mm | 7 | |
| Sept. 7 |  Thundery outbreaks possible | 28° /18° | 1.4 mm | 7 | |
| Sept. 8 | Thundery outbreaks possible | 28° /15° | 7.4 mm | 7 | |
| Sept. 9 |  Overcast | 27° /15° | 13.8 mm | 7 | |
| Sept. 10 | Sunny | 29° /16° | 2.5 mm | 7 | |
| Sept. 11 | Overcast | 29° /17° | 3.2 mm | 7 | |
| Sept. 12 | Overcast | 28° /17° | 0.7 mm | 5 | |
| Sept. 13 | Mist | 29° /17° | 0.6 mm | 6 | |
| Sept. 14 |  Patchy rain possible | 29° /18° | 0.2 mm | 7 | |
| Sept. 15 | Sunny | 27° /15° | 0.1 mm | 6 | |
| Sept. 16 |  Partly cloudy | 24° /15° | 39.6 mm | 6 | |
| Sept. 17 | Patchy rain possible | 26° /16° | 34.3 mm | 6 | |
| Sept. 18 | Fog | 29° /18° | 22 mm | 6 | |
| Sept. 19 | Overcast | 27° /18° | 4.2 mm | 6 | |
| Sept. 20 | Overcast | 29° /18° | 1.3 mm | 6 | |
| Sept. 21 |  Cloudy | 29° /18° | 2.7 mm | 6 | |
| Sept. 22 | Mist | 26° /17° | 2.2 mm | 5 | |
| Sept. 23 |  Heavy rain | 21° /15° | 16.5 mm | 4 | |
| Sept. 24 | Patchy rain possible | 23° /16° | 2 mm | 5 | |
| Sept. 25 | Cloudy | 26° /17° | 1.2 mm | 6 | |
| Sept. 26 |  Light drizzle | 25° /19° | 1.3 mm | 6 | |
| Sept. 27 | Sunny | 25° /13° | 0 mm | 6.4 | |
| Sept. 28 | Sunny | 26° /15° | 0 mm | 6.6 | |
| Sept. 29 | Sunny | 27° /14° | 0 mm | 6.5 | |
| Sept. 30 | Sunny | 29° /16° | 0 mm | 6.4 | |
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Important Notice
Our weather forecast for Guilford 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 Guilford County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Guilford County in September - FAQ
What are the expected maximum and minimum temperatures in Guilford County during September?
During September, expect a variety of temperatures with highs around 26° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Guilford County during September?
Significant rainfall exceeding 260.3 mm is expected in Guilford County during September, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Guilford County during September?
The average wind speed in Guilford County during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Guilford County
Explore the daily rainfall trends and prepare for Guilford Countys September weather 💧
Typically, Guilford County has 19 rainy days in September with a total of 260.3 mm of rainfall.
UV exposure in Guilford County during September
Stay informed about UV levels for safe outdoor activities throughout the month of 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.
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