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

In September, San Antonio averages 35°C high / 22°C low with about 85 mm of rain; Washington averages 28°C high / 17°C low with about 108 mm.

San Antonio vs Washington in September

Washington is the better pick in September — 80 vs 64 on SeasonMap's comfort score. Washington is hot, rainy, clean air, while San Antonio is sweltering, rainy, clean air.

San Antonio vs Washington — September climate, side by side

	San Antonio	Washington
Comfort score	64/100 (C)	80/100 (A)
Feels-like high	37°C	30°C
Avg high / low	35° / 22°	28° / 17°
Rainfall	85 mm	108 mm
Rainy days	5	8
Humidity	65%	74%
Air quality (AQI)	42	47

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

San Antonio vs Washington in September — FAQ

Is September better in San Antonio or Washington?: Washington is the better pick in September — 80 vs 64 on SeasonMap's comfort score. Washington is hot, rainy, clean air, while San Antonio is sweltering, rainy, clean air.
What is the weather like in San Antonio vs Washington in September?: In September, San Antonio averages 35°C high / 22°C low with about 85 mm of rain; Washington averages 28°C high / 17°C low with about 108 mm.