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

In September, Atlanta averages 29°C high / 20°C low with about 92 mm of rain; Charleston averages 29°C high / 23°C low with about 142 mm.

Atlanta vs Charleston in September

Atlanta is the better pick in September — 80 vs 69 on SeasonMap's comfort score. Atlanta is hot, rainy, while Charleston is hot, rainy, clean air.

Atlanta vs Charleston — September climate, side by side

	🇺🇸 Atlanta	🇺🇸 Charleston
Comfort score	80/100 (A)	69/100 (C)
Feels-like high	31°C	32°C
Avg high / low	29° / 20°	29° / 23°
Rainfall	92 mm	142 mm
Rainy days	5	6
Humidity	70%	80%
Air quality (AQI)	55	46

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

Month by month

Atlanta 🇺🇸 United Stateshot, rainy · best October80
Charleston 🇺🇸 United Stateshot, rainy, clean air · best April69

Atlanta vs Charleston in September — FAQ

Is September better in Atlanta or Charleston?: Atlanta is the better pick in September — 80 vs 69 on SeasonMap's comfort score. Atlanta is hot, rainy, while Charleston is hot, rainy, clean air.
What is the weather like in Atlanta vs Charleston in September?: In September, Atlanta averages 29°C high / 20°C low with about 92 mm of rain; Charleston averages 29°C high / 23°C low with about 142 mm.