South Carolina weather by county

46 counties · records since 1895, through September 2026.

Weather › South Carolina

South Carolina in September 2026

46 of 46 counties ran at least 1° warmer than usual in September 2026, and 0 ran at least 1° cooler.
Warmest against its own records: Chester County (6th-warmest September of 132). Even the least warm, Clarendon County, had its 23rd-warmest.
Wettest September against its records: Newberry County, 3.6 inches (58th-wettest).
42 of 46 counties were in moderate drought or worse on NOAA's Palmer reading for September.
Since 1970 the state's counties have warmed about 0.4° per decade on average, Aiken County the most at 0.5°.

This week's forecast against the usual, and every month since 1895, for all 46 counties in South Carolina. 10 had a top-10 warm September in 2026.