Average Rainfall for South Carolina in September





The tables below give monthly averages for rainfall during September at cities, towns and parks in South Carolina.

Each place has a total for the amount of precipitation it usually receives this month. There is also a count of the number of days with wet weather, when precipitation amounts to 0.01 inches (0.25 millimetres) or more.

The rainfall totals are averages based on weather data collected from 1991 to 2020 for the US National Centers for Environmental Information.

You can jump to a separate table for each region of the state: Coast & Lowcountry, Midlands and Upstate.

Coast & Lowcountry

Average monthly precipitation in September
Days Place Inches Milli­metres
10 Beaufort 4.0 102
9 Brookgreen Gardens 7.1 179
10 Charleston 6.0 153
9 Edisto Island 5.2 132
12 McClellanville 6.8 173
9 Moncks Corner 5.8 148
11 North Myrtle Beach 6.7 169

Midlands

September averages for total rainfall
Days Place Inches Milli­metres
8 Columbia 3.9 99
9 Florence 4.5 115
9 Orangeburg 4.5 114
9 Sumter 4.4 111

Upstate South Carolina

Average amount of rain in September
Days Place Inches Milli­metres
6 Anderson 3.8 96
10 Caesars Head State Park 6.6 168
7 Calhoun Falls 3.5 89
8 Gaffney 3.9 99
8 Greenville 3.5 88
9 Greenwood 3.4 85
8 Greer 3.7 95
9 Longcreek 4.9 124
7 Ninety Nine Islands Reservoir 3.6 92
7 Spartanburg 3.7 93
Reference

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

South Carolina Precipitation
Back to Top