What is the weather like in Charlotte vs San Antonio in September?

In September, Charlotte averages 29°C high / 18°C low with about 128 mm of rain; San Antonio averages 35°C high / 22°C low with about 85 mm.

Charlotte vs San Antonio in September

Charlotte is the better pick in September — 79 vs 64 on SeasonMap's comfort score. Charlotte is hot, rainy, while San Antonio is sweltering, rainy, clean air.

Charlotte vs San Antonio — September climate, side by side

	🇺🇸 Charlotte	🇺🇸 San Antonio
Comfort score	79/100 (B)	64/100 (C)
Feels-like high	31°C	37°C
Avg high / low	29° / 18°	35° / 22°
Rainfall	128 mm	85 mm
Rainy days	7	5
Humidity	72%	65%
Air quality (AQI)	51	42

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

Month by month

Charlotte vs San Antonio in September — FAQ

Is September better in Charlotte or San Antonio?: Charlotte is the better pick in September — 79 vs 64 on SeasonMap's comfort score. Charlotte is hot, rainy, while San Antonio is sweltering, rainy, clean air.
What is the weather like in Charlotte vs San Antonio in September?: In September, Charlotte averages 29°C high / 18°C low with about 128 mm of rain; San Antonio averages 35°C high / 22°C low with about 85 mm.