What is the weather like in Dallas vs San Francisco in September?

In September, Dallas averages 33°C high / 22°C low with about 77 mm of rain; San Francisco averages 22°C high / 14°C low with about 3 mm.

Dallas vs San Francisco in September

San Francisco is the better pick in September — 96 vs 71 on SeasonMap's comfort score. San Francisco is nice, dry, clean air, while Dallas is sweltering, a little rain.

Dallas vs San Francisco — September climate, side by side

	Dallas	San Francisco
Comfort score	71/100 (B)	96/100 (S)
Feels-like high	35°C	21°C
Avg high / low	33° / 22°	22° / 14°
Rainfall	77 mm	3 mm
Rainy days	5	1
Humidity	63%	75%
Air quality (AQI)	51	35

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

Dallas vs San Francisco in September — FAQ

Is September better in Dallas or San Francisco?: San Francisco is the better pick in September — 96 vs 71 on SeasonMap's comfort score. San Francisco is nice, dry, clean air, while Dallas is sweltering, a little rain.
What is the weather like in Dallas vs San Francisco in September?: In September, Dallas averages 33°C high / 22°C low with about 77 mm of rain; San Francisco averages 22°C high / 14°C low with about 3 mm.