Spartanburg (SC)
September
Weather in Spartanburg, South Carolina for September 2026
Your guide to Spartanburg weather in September - trends and predictions
So far, September 2026 in Spartanburg shows a warmer trend than usual by 2.8 °F.
The forecast for the next days in Spartanburg predicts a temperature of 24.3 °F, which is cooler than the historical average.
In general, the average temperature in Spartanburg at the beginning of September is 30.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 27.1 °F by the end of September.
Spartanburg experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 197.2 mm.
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Temperatures
Rain 🌧️
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21
Dry days
9
Rainy days
0
Snow days
27°/18°
Temperatures
14 km/h
Avg max wind
72 %
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 |  Sunny | 32° /19° | 1.8 mm | 8 | |
| Sept. 2 |  Overcast | 31° /19° | 0.1 mm | 7 | |
| Sept. 3 |  Cloudy | 31° /18° | 0.5 mm | 8 | |
| Sept. 4 | Sunny | 32° /18° | 0 mm | 8 | |
| Sept. 5 | Overcast | 32° /20° | 28.7 mm | 8 | |
| Sept. 6 | Cloudy | 30° /20° | 16.7 mm | 7 | |
| Sept. 7 |  Patchy rain possible | 27° /19° | 0.3 mm | 5 | |
| Sept. 8 | Patchy rain possible | 26° /17° | 0 mm | 7 | |
| Sept. 9 | Sunny | 28° /15° | 0 mm | 7 | |
| Sept. 10 | Overcast | 30° /16° | 0 mm | 7 | |
| Sept. 11 | Overcast | 30° /18° | 0.5 mm | 7 | |
| Sept. 12 | Overcast | 27° /17° | 2.6 mm | 5 | |
| Sept. 13 |  Heavy rain at times | 28° /19° | 1 mm | 7 | |
| Sept. 14 |  Moderate rain at times | 30° /18° | 0.6 mm | 7 | |
| Sept. 15 | Patchy rain possible | 29° /18° | 0.3 mm | 6 | |
| Sept. 16 | Overcast | 25° /17° | 2.5 mm | 6 | |
| Sept. 17 | Moderate or heavy rain shower | 28° /17° | 11.9 mm | 7 | |
| Sept. 18 | Patchy rain possible | 29° /20° | 1.2 mm | 6 | |
| Sept. 19 | Cloudy | 30° /19° | 3.7 mm | 6 | |
| Sept. 20 | Patchy rain possible | 30° /19° | 1.2 mm | 6 | |
| Sept. 21 | Overcast | 31° /19° | 0.8 mm | 6 | |
| Sept. 22 |  Partly cloudy | 31° /19° | 6.1 mm | 6 | |
| Sept. 23 | Patchy rain possible | 25° /17° | 0.9 mm | 4 | |
| Sept. 24 | Moderate or heavy rain shower | 26° /17° | 5.8 mm | 5 | |
| Sept. 25 | Moderate or heavy rain shower | 25° /17° | 25 mm | 6 | |
| Sept. 26 | Moderate or heavy rain shower | 25° /20° | 65.6 mm | 6 | |
| Sept. 27 | Sunny | 27° /13° | 0 mm | 6.9 | |
| Sept. 28 | Sunny | 28° /13° | 0 mm | 6.8 | |
| Sept. 29 | Sunny | 29° /15° | 0 mm | 6.8 | |
| Sept. 30 | Sunny | 30° /16° | 0 mm | 6.7 | |
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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 27° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Spartanburg during September?
Significant rainfall exceeding 197.2 mm is expected in Spartanburg during September, occurring over more than 9 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 14 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 💧
Typically, Spartanburg has 9 rainy days in September with a total of 197.2 mm of rainfall.
UV exposure in Spartanburg during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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