Average Temperatures for South Carolina in September
Average temperatures for September at cities, towns, parks and lakes throughout South Carolina are listed below in degrees Fahrenheit and Celsius.
You can jump to a separate table for each region of the state: Coast & Lowcountry, Midlands and Upstate.
The tables give the normals for maximum and minimum temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.
Coast & Lowcountry
| High °F | Low °F | Place | High °C | Low °C |
|---|---|---|---|---|
| 86 | 70 | Beaufort | 30 | 21 |
| 83 | 66 | Brookgreen Gardens | 28 | 19 |
| 85 | 68 | Charleston | 30 | 20 |
| 85 | 68 | Edisto Island | 29 | 20 |
| 86 | 67 | Georgetown | 30 | 20 |
| 83 | 68 | McClellanville | 29 | 20 |
| 86 | 67 | Moncks Corner | 30 | 20 |
| 83 | 68 | North Myrtle Beach | 28 | 20 |
| 86 | 68 | Sullivan's Island | 30 | 20 |
Midlands
| High °F | Low °F | Place | High °C | Low °C |
|---|---|---|---|---|
| 86 | 65 | Clarks Hill | 30 | 18 |
| 86 | 65 | Columbia | 30 | 19 |
| 85 | 66 | Florence | 30 | 19 |
| 87 | 66 | Orangeburg | 31 | 19 |
| 83 | 63 | Sumter | 29 | 17 |
Upstate South Carolina
| High °F | Low °F | Place | High °C | Low °C |
|---|---|---|---|---|
| 84 | 64 | Anderson | 29 | 18 |
| 71 | 58 | Caesars Head State Park | 22 | 14 |
| 84 | 63 | Calhoun Falls | 29 | 17 |
| 84 | 65 | Greenville | 29 | 18 |
| 83 | 62 | Greenwood | 28 | 16 |
| 83 | 62 | Greer | 28 | 17 |
| 79 | 58 | Longcreek | 26 | 15 |
| 81 | 58 | Ninety Nine Islands Reservoir | 27 | 15 |
| 83 | 62 | Spartanburg | 29 | 16 |
Reference
NOAA National Centers for Environmental Information (NCEI). Climate Normals.