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

In September, Sacramento averages 32°C high / 16°C low with about 3 mm of rain; San Francisco averages 22°C high / 14°C low with about 3 mm.

Sacramento vs San Francisco in September

San Francisco is the better pick in September — 96 vs 87 on SeasonMap's comfort score. San Francisco is nice, dry, clean air, while Sacramento is hot, dry, clean air.

Sacramento vs San Francisco — September climate, side by side

	🇺🇸 Sacramento	🇺🇸 San Francisco
Comfort score	87/100 (A)	96/100 (S)
Feels-like high	32°C	21°C
Avg high / low	32° / 16°	22° / 14°
Rainfall	3 mm	3 mm
Rainy days	1	1
Humidity	48%	75%
Air quality (AQI)	39	35

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

Month by month

Sacramento vs San Francisco in September — FAQ

Is September better in Sacramento or San Francisco?: San Francisco is the better pick in September — 96 vs 87 on SeasonMap's comfort score. San Francisco is nice, dry, clean air, while Sacramento is hot, dry, clean air.
What is the weather like in Sacramento vs San Francisco in September?: In September, Sacramento averages 32°C high / 16°C low with about 3 mm of rain; San Francisco averages 22°C high / 14°C low with about 3 mm.