Spartanburg (SC)
September
Weather in Spartanburg, South Carolina for September 2025
Your guide to Spartanburg weather in September - trends and predictions
The forecast for the first days of September 2025 in Spartanburg predicts temperatures to be around 26 °F, close to the historical average.
In general, the average temperature in Spartanburg at the beginning of September is 25.7 °F. As the month progressed, temperatures tended to slightly decrease, reaching an average of 25.3 °F by the end of September.
Spartanburg in September brings notable rainfall, with an average of 16 rainy days and a total precipitation of 359.7 mm.
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Temperatures
Rain 🌧️
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14
Dry days
16
Rainy days
0
Snow days
26°/18°
Temperatures
16 km/h
Avg max wind
75 %
Avg humidity
Spartanburg Weather September
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Temperatures trend during September in Spartanburg
See the weather trend as well as the moving average line
September weather in Spartanburg day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Cloudy | 24° /16° | 0.1 mm | 4 | |
| Sept. 2 |  Patchy rain possible | 24° /19° | 0.3 mm | 5 | |
| Sept. 3 |  Partly cloudy | 29° /19° | 0 mm | 6 | |
| Sept. 4 |  Overcast | 25° /15° | 0 mm | 6 | |
| Sept. 5 | Overcast | 26° /18° | 0 mm | 6 | |
| Sept. 6 | Cloudy | 24° /17° | 0 mm | 5 | |
| Sept. 7 | Patchy rain possible | 28° /18° | 0.8 mm | 6 | |
| Sept. 8 | Patchy rain possible | 23° /18° | 0.1 mm | 5 | |
| Sept. 9 |  Sunny | 28° /14° | 0 mm | 7 | |
| Sept. 10 | Sunny | 30° /15° | 0 mm | 8 | |
| Sept. 11 | Overcast | 26° /16° | 0 mm | 6 | |
| Sept. 12 | Overcast | 25° /15° | 0.3 mm | 6 | |
| Sept. 13 |  Heavy rain at times | 24° /18° | 2.6 mm | 5 | |
| Sept. 14 |  Moderate rain at times | 25° /19° | 1.6 mm | 6 | |
| Sept. 15 | Patchy rain possible | 27° /18° | 0.2 mm | 6 | |
| Sept. 16 | Overcast | 21° /16° | 7.5 mm | 5 | |
| Sept. 17 | Moderate or heavy rain shower | 22° /17° | 35.7 mm | 5 | |
| Sept. 18 | Patchy rain possible | 24° /18° | 1.3 mm | 5 | |
| Sept. 19 | Cloudy | 26° /18° | 0.2 mm | 6 | |
| Sept. 20 | Patchy rain possible | 30° /19° | 0.1 mm | 7 | |
| Sept. 21 | Overcast | 31° /19° | 0 mm | 7 | |
| Sept. 22 | Partly cloudy | 33° /20° | 0 mm | 8 | |
| Sept. 23 | Patchy rain possible | 27° /21° | 0.7 mm | 6 | |
| Sept. 24 | Moderate or heavy rain shower | 28° /20° | 13.5 mm | 6 | |
| Sept. 25 | Moderate or heavy rain shower | 25° /20° | 47.3 mm | 6 | |
| Sept. 26 | Moderate or heavy rain shower | 23° /21° | 127.6 mm | 5 | |
| Sept. 27 | Moderate or heavy rain shower | 26° /22° | 101.7 mm | 6 | |
| Sept. 28 | Overcast | 25° /19° | 0 mm | 6 | |
| Sept. 29 | Heavy rain at times | 24° /19° | 11.6 mm | 5 | |
| Sept. 30 |  Fog | 26° /18° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Spartanburg 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 Spartanburg forecast closer to your planned date for the most up-to-date weather information.
Change Month
Spartanburg in September - FAQ
What are the expected maximum and minimum temperatures in Spartanburg 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 Spartanburg during September?
Significant rainfall exceeding 359.7 mm is expected in Spartanburg during September, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Spartanburg during September?
The average wind speed in Spartanburg during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Spartanburg
Explore the daily rainfall trends and prepare for Spartanburgs September weather 💧
UV exposure in Spartanburg during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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