What is the weather like in Charleston vs Charlotte in September?

In September, Charleston averages 29°C high / 23°C low with about 142 mm of rain; Charlotte averages 29°C high / 18°C low with about 128 mm.

Charleston vs Charlotte in September

Charlotte is the better pick in September — 79 vs 69 on SeasonMap's comfort score. Charlotte is hot, rainy, while Charleston is hot, rainy, clean air.

Charleston vs Charlotte — September climate, side by side

	🇺🇸 Charleston	🇺🇸 Charlotte
Comfort score	69/100 (C)	79/100 (B)
Feels-like high	32°C	31°C
Avg high / low	29° / 23°	29° / 18°
Rainfall	142 mm	128 mm
Rainy days	6	7
Humidity	80%	72%
Air quality (AQI)	46	51

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Charleston vs Charlotte in September — FAQ

Is September better in Charleston or Charlotte?: Charlotte is the better pick in September — 79 vs 69 on SeasonMap's comfort score. Charlotte is hot, rainy, while Charleston is hot, rainy, clean air.
What is the weather like in Charleston vs Charlotte in September?: In September, Charleston averages 29°C high / 23°C low with about 142 mm of rain; Charlotte averages 29°C high / 18°C low with about 128 mm.