South Carolina weather in September: Statewide normals and every place, NOAA 1991-2020
In September, South Carolina's statewide normal high is 84°F and normal low 64°F; normal highs run from 71°F in Caesars Head to 87°F in Barnwell (NOAA 1991-2020 normals).
- Statewide normal high
- 84°FSeptember, 1991-2020
- Statewide normal low
- 64°FSeptember, 1991-2020
- Statewide normal precipitation
- 4.47 inSeptember
- Warmest place
- 87°Fnormal high, Barnwell
- Coolest place
- 71°Fnormal high, Caesars Head
Where is South Carolina warmest and wettest in September?
Barnwell has the warmest September afternoons (87°F) and Caesars Head the coolest (71°F). Hemingway gets the most precipitation (6.91 in) and Greenwood the least (3.35 in).
Statewide, September averaged 73.5°F in 2021, 73.8°F in 2022, 73.4°F in 2023, 74.9°F in 2024, 73.4°F in 2025, against a 1991-2020 normal of 74.2°F.
| Place | High | Low | Precip. | Snow |
|---|---|---|---|---|
| Charleston | 85°F | 68°F | 6.01 | 0.0 |
| Columbia | 86°F | 65°F | 3.91 | 0.0 |
| Rock Hill | 83°F | 62°F | 3.42 | – |
| Greenville | 83°F | 62°F | 3.73 | 0.0 |
| Summerville | 85°F | 65°F | 5.88 | – |
| Sumter | 83°F | 63°F | 4.36 | 0.0 |
| Florence | 85°F | 66°F | 4.53 | – |
| Myrtle Beach | 83°F | 68°F | 6.65 | – |
| Spartanburg | 83°F | 62°F | 3.65 | 0.0 |
| Aiken | 86°F | 64°F | – | – |
| Anderson | 83°F | 63°F | 3.74 | – |
| Conway | 85°F | 66°F | 6.00 | – |
| Greenwood | 83°F | 62°F | 3.35 | – |
| Clemson | 82°F | 64°F | 3.68 | – |
| Moncks Corner | 86°F | 67°F | 5.82 | 0.0 |
| Beaufort | 86°F | 70°F | 4.03 | 0.0 |
| Fountain Inn | 83°F | 61°F | 3.69 | – |
| Orangeburg | 86°F | 66°F | 3.98 | – |
| Newberry | 84°F | 62°F | 3.97 | – |
| York | 82°F | 61°F | 3.45 | – |
| Lugoff | 84°F | 63°F | 3.70 | – |
| Laurens | 84°F | 62°F | 3.60 | 0.0 |
| Camden | 83°F | 62°F | – | – |
| Georgetown | 86°F | 67°F | 6.49 | – |
| Union | 83°F | 61°F | 3.37 | 0.0 |
| Clinton | 84°F | 63°F | 3.65 | – |
| Hartsville | 85°F | 63°F | 4.92 | 0.0 |
| Dillon | 85°F | 63°F | 4.79 | 0.0 |
| Marion | 84°F | 64°F | 5.97 | – |
| Darlington | 85°F | 63°F | 4.54 | – |
| Lake City | 86°F | 65°F | 4.74 | – |
| Walterboro | 84°F | 65°F | 4.60 | 0.0 |
| Chester | 83°F | 62°F | 3.80 | – |
| Cheraw | 83°F | 63°F | 5.35 | 0.0 |
| Barnwell | 87°F | 64°F | 4.27 | – |
| Walhalla | 82°F | 60°F | 4.89 | 0.0 |
| Edgefield | 85°F | 65°F | – | – |
| Mullins | 83°F | 63°F | 5.90 | – |
| Manning | 83°F | 64°F | 5.36 | 0.0 |
| Winnsboro | 83°F | 62°F | 3.88 | 0.0 |
| Pickens | 83°F | 62°F | 4.54 | 0.0 |
| Saluda | 85°F | 62°F | 3.97 | 0.0 |
| Kingstree | 86°F | 63°F | – | – |
| Bamberg | 84°F | 65°F | 4.39 | 0.0 |
| Bishopville | 84°F | 63°F | 4.08 | – |
| Hampton | 87°F | 67°F | 4.15 | 0.0 |
| Andrews | 84°F | 65°F | – | – |
| Pageland | 84°F | 64°F | 4.43 | – |
| Allendale | 85°F | 63°F | 4.24 | – |
| Johnston | 86°F | 62°F | 3.97 | 0.0 |
| Graniteville | 86°F | 61°F | – | – |
| McColl | 84°F | 64°F | 4.71 | – |
| McCormick | 86°F | 63°F | 3.63 | – |
| Sullivan's Island | 86°F | 68°F | 5.47 | – |
| Blackville | 84°F | 64°F | 4.81 | – |
| Calhoun Falls | 84°F | 63°F | 3.52 | 0.0 |
| Wedgefield | 86°F | 64°F | 3.37 | 0.0 |
| Chesterfield | 85°F | 63°F | 5.05 | – |
| Holly Hill | 85°F | 65°F | 5.09 | – |
| Yemassee | 84°F | 64°F | 6.04 | – |
| Edisto Beach | 85°F | 68°F | – | – |
| West Pelzer | 83°F | 61°F | 3.42 | 0.0 |
| Sandy Springs | 83°F | 60°F | 4.10 | – |
| Chesnee | 82°F | 59°F | 4.30 | 0.0 |
| Wagener | 84°F | 63°F | – | – |
| McClellanville | 83°F | 68°F | 6.83 | – |
| Pelion | 87°F | 65°F | 4.44 | – |
| Hemingway | 84°F | 65°F | 6.91 | – |
| Elliott | 85°F | 63°F | – | – |
| Little Mountain | 84°F | 64°F | 3.74 | 0.0 |
| Clarks Hill | 86°F | 65°F | 3.67 | – |
| Jamestown | 86°F | 65°F | 5.28 | – |
| Caesars Head | 71°F | 58°F | 6.62 | 0.0 |
| Batesburg | 84°F | 65°F | 4.05 | 0.0 |
| Beaufort Wastewater Treatment Plant | 86°F | 70°F | – | – |
| Brookgreen Gardens | 83°F | 66°F | 7.05 | – |
| Cades (4 mi W) | 87°F | 64°F | 5.11 | 0.0 |
| Cedar Creek (2 mi E) | 83°F | 60°F | 3.80 | 0.0 |
| Charleston City | 83°F | 73°F | 5.25 | – |
| Columbia Owens Downtown Airport | 86°F | 67°F | 4.33 | – |
| Edisto Island Middleton Plantation | 85°F | 69°F | 5.19 | – |
| Jocassee (8 mi WNW) | 75°F | 53°F | 7.64 | 0.0 |
| Lake Greenwood | 84°F | 62°F | 3.84 | – |
| Long Creek | 79°F | 58°F | 4.89 | 0.0 |
| N (5 mi NE) | 86°F | 65°F | 4.41 | – |
| Ninety Nine Island | 81°F | 58°F | 3.63 | – |
| Sandhill Research - Elgin | 85°F | 64°F | 4.64 | 0.0 |
| Santuck | 83°F | 61°F | 4.04 | 0.0 |
| Table Rock | 81°F | 60°F | 5.31 | – |
| Wateree Dam | 86°F | 64°F | 3.75 | 0.0 |
| Winthrop University | 84°F | 63°F | 3.56 | – |
Source: NOAA NCEI nClimDiv statewide normals; NOAA NCEI 1991-2020 monthly normals for each station.