Greenville County (Greenville)
September
Weather in Greenville County for September 2025
Your guide to Greenville County weather in September - trends and predictions
In general, the average temperature in Greenville County at the beginning of September is 26.4 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 25 °F by the end of September.
Greenville County in September brings notable rainfall, with an average of 16 rainy days and a total precipitation of 327.9 mm.
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Temperatures
Rain 🌧️
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14
Dry days
16
Rainy days
0
Snow days
26°/18°
Temperatures
18 km/h
Avg max wind
75 %
Avg humidity
Greenville County in September average weather
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  33° | 2 30° | 3  27° | 4 25° | 5  24° | 6  19° | |
| 7 27° | 8 25° | 9  28° | 10 30° | 11 25° | 12 24° | 13 22° |
| 14 22° | 15 26° | 16 22° | 17 25° | 18 23° | 19  28° | 20 30° |
| 21 32° | 22  33° | 23 25° | 24 30° | 25 24° | 26 24° | 27  25° |
| 28 23° | 29 23° | 30 26° |
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Temperatures trend during September in Greenville County
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September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 | Patchy rain possible | 33° /20° | 2.6 mm | 7 | |
| Sept. 2 | Patchy rain possible | 30° /20° | 0.2 mm | 7 | |
| Sept. 3 | Partly cloudy | 27° /18° | 0.9 mm | 7 | |
| Sept. 4 | Partly cloudy | 25° /15° | 0 mm | 7 | |
| Sept. 5 | Overcast | 24° /18° | 0 mm | 5 | |
| Sept. 6 | Patchy light rain | 19° /17° | 2.5 mm | 4 | |
| Sept. 7 | Patchy rain possible | 27° /17° | 0.7 mm | 6 | |
| Sept. 8 | Partly cloudy | 25° /17° | 0 mm | 7 | |
| Sept. 9 | Sunny | 28° /14° | 0 mm | 7 | |
| Sept. 10 | Sunny | 30° /15° | 0 mm | 8 | |
| Sept. 11 | Overcast | 25° /15° | 0 mm | 6 | |
| Sept. 12 | Patchy light drizzle | 24° /15° | 3.5 mm | 5 | |
| Sept. 13 | Light rain shower | 22° /17° | 6.1 mm | 5 | |
| Sept. 14 | Light rain shower | 22° /19° | 10.1 mm | 5 | |
| Sept. 15 | Patchy rain possible | 26° /17° | 0.4 mm | 6 | |
| Sept. 16 | Light drizzle | 22° /17° | 0.2 mm | 5 | |
| Sept. 17 | Overcast | 25° /17° | 0 mm | 6 | |
| Sept. 18 | Light rain | 23° /18° | 6.8 mm | 5 | |
| Sept. 19 | Mist | 28° /17° | 0 mm | 6 | |
| Sept. 20 | Fog | 30° /20° | 2.8 mm | 7 | |
| Sept. 21 | Mist | 32° /20° | 0 mm | 7 | |
| Sept. 22 | Cloudy | 33° /21° | 0 mm | 7 | |
| Sept. 23 | Overcast | 25° /22° | 0 mm | 6 | |
| Sept. 24 | Light rain shower | 30° /22° | 9.9 mm | 7 | |
| Sept. 25 | Light rain shower | 24° /22° | 9.7 mm | 5 | |
| Sept. 26 | Light rain shower | 24° /21° | 19.7 mm | 5 | |
| Sept. 27 | Moderate or heavy rain shower | 25° /21° | 238.3 mm | 6 | |
| Sept. 28 | Overcast | 23° /18° | 0 mm | 5 | |
| Sept. 29 | Moderate rain at times | 23° /19° | 4.4 mm | 5 | |
| Sept. 30 | Fog | 26° /18° | 9.1 mm | 6 | |
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Important Notice
Our weather forecast for Greenville 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 Greenville County forecast closer to your planned date for the most up-to-date weather information.
Greenville County in September - FAQ
What are the expected maximum and minimum temperatures in Greenville County during September?
During September, expect a variety of temperatures with highs around 26° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Greenville County during September?
Significant rainfall exceeding 327.9 mm is expected in Greenville County during September, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Greenville County during September?
The average wind speed in Greenville County during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Greenville County
Explore the daily rainfall trends and prepare for Greenville Countys September weather 💧
UV exposure in Greenville County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Greenville County?Get accurate weather forecasts for Greenville County, located at latitude 34.853 and longitude -82.394. Stay updated with localized weather information tailored for Greenville County.
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