Guilford County (Greensboro)
September
Weather in Guilford County for September 2025
Your guide to Guilford County weather in September - trends and predictions
In general, the average temperature in Guilford County at the beginning of September is 30 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 25 °F by the end of September.
Guilford County sees moderate rainfall in September, averaging 10 rainy days.
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20
Dry days
10
Rainy days
0
Snow days
28°/16°
Temperatures
13 km/h
Avg max wind
68 %
Avg humidity
Guilford County in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  30° | 2  29° | 3 29° | 4 30° | 5 32° | 6 31° | 7  29° |
| 8 29° | 9  26° | 10 28° | 11  29° | 12 29° | 13  28° | 14 28° |
| 15 26° | 16 24° | 17  23° | 18 27° | 19 24° | 20 29° | 21  28° |
| 22 27° | 23  20° | 24 24° | 25 27° | 26  23° | 27 23° | 28 26° |
| 29 26° | 30 26° |
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Temperatures trend during September in Guilford 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 | Partly cloudy | 30° /16° | 4.2 mm | 7 | |
| Sept. 2 | Sunny | 29° /17° | 0.7 mm | 7 | |
| Sept. 3 | Partly cloudy | 29° /16° | 0 mm | 7 | |
| Sept. 4 | Sunny | 30° /16° | 0 mm | 7 | |
| Sept. 5 | Sunny | 32° /18° | 0 mm | 8 | |
| Sept. 6 | Sunny | 31° /18° | 0.1 mm | 8 | |
| Sept. 7 | Thundery outbreaks possible | 29° /18° | 1.3 mm | 7 | |
| Sept. 8 | Thundery outbreaks possible | 29° /15° | 14.9 mm | 7 | |
| Sept. 9 | Moderate or heavy rain shower | 26° /16° | 27.5 mm | 7 | |
| Sept. 10 | Moderate or heavy rain shower | 28° /15° | 4.9 mm | 7 | |
| Sept. 11 | Overcast | 29° /16° | 0.2 mm | 7 | |
| Sept. 12 | Overcast | 29° /16° | 0 mm | 7 | |
| Sept. 13 | Mist | 28° /17° | 0 mm | 6 | |
| Sept. 14 | Partly cloudy | 28° /17° | 0.2 mm | 7 | |
| Sept. 15 | Sunny | 26° /14° | 0.2 mm | 7 | |
| Sept. 16 | Partly cloudy | 24° /14° | 31.7 mm | 6 | |
| Sept. 17 | Patchy rain possible | 23° /17° | 68.5 mm | 5 | |
| Sept. 18 | Fog | 27° /17° | 40.3 mm | 6 | |
| Sept. 19 | Overcast | 24° /16° | 8 mm | 6 | |
| Sept. 20 | Overcast | 29° /16° | 1.2 mm | 6 | |
| Sept. 21 | Cloudy | 28° /17° | 2.9 mm | 6 | |
| Sept. 22 | Mist | 27° /17° | 0 mm | 6 | |
| Sept. 23 | Heavy rain | 20° /15° | 25.6 mm | 5 | |
| Sept. 24 | Patchy rain possible | 24° /17° | 3.9 mm | 6 | |
| Sept. 25 | Cloudy | 27° /18° | 2.4 mm | 6 | |
| Sept. 26 | Light drizzle | 23° /18° | 0.2 mm | 6 | |
| Sept. 27 | Overcast | 23° /17° | 43.4 mm | 5 | |
| Sept. 28 | Mist | 26° /15° | 0 mm | 6 | |
| Sept. 29 | Fog | 26° /16° | 5.2 mm | 6 | |
| Sept. 30 | Fog | 26° /16° | 8.2 mm | 6 | |
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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.
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 28° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Guilford County during September?
Significant rainfall exceeding 158.5 mm is expected in Guilford County during September, occurring over more than 10 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 13 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 💧
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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