Charleston Rainfall Forecast

Today 21 Sep
60%
Tue 22 Sep
75%
Wed 23 Sep
75%
Thu 24 Sep
60%
Fri 25 Sep
No Rain
Sat 26 Sep
No Rain
Sun 27 Sep
No Rain

Charleston Rainfall Statistics

September Rainfall

Charleston, Yeager Airport (2.5 miles)

Total Rainfall 2026
35.4in
Daily Average 2026
0.1in
Wettest Day 16 August, 2026
4.2in
Wet Days 2026
96/264 (36%)
Total Rainfall August
11.5in
Daily Average August
0.4in
Wettest Day 16 August, 2026
4.2in
Wet Days August
11/31 (35%)
Total Rainfall September
0.9in
Daily Average September
0.05in
Wettest Day 18 September, 2026
0.5in
Wet Days September
4/21 (19%)

Climate (2021–2025)

Charleston, Yeager Airport (2.5 miles)

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Annual Average 2021–2025
43.8in
Monthly Average 2021–2026
3.7in
Daily Average 2021–2026
0.1in
Wettest Day 16 August, 2026
4.2in

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