What is the weather like in San Francisco vs Santa Cruz, California in September?

In September, San Francisco averages 22°C high / 14°C low with about 3 mm of rain; Santa Cruz, California averages 25°C high / 11°C low with about 5 mm.

San Francisco vs Santa Cruz, California in September

San Francisco is the better pick in September — 96 vs 88 on SeasonMap's comfort score. San Francisco is nice, dry, clean air, while Santa Cruz, California is warm, dry, clean air.

San Francisco vs Santa Cruz, California — September climate, side by side

	🇺🇸 San Francisco	🇺🇸 Santa Cruz, California
Comfort score	96/100 (S)	88/100 (A)
Feels-like high	21°C	25°C
Avg high / low	22° / 14°	25° / 11°
Rainfall	3 mm	5 mm
Rainy days	1	1
Humidity	75%	78%
Air quality (AQI)	35	33

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

Month by month

San Francisco vs Santa Cruz, California in September — FAQ

Is September better in San Francisco or Santa Cruz, California?: San Francisco is the better pick in September — 96 vs 88 on SeasonMap's comfort score. San Francisco is nice, dry, clean air, while Santa Cruz, California is warm, dry, clean air.
What is the weather like in San Francisco vs Santa Cruz, California in September?: In September, San Francisco averages 22°C high / 14°C low with about 3 mm of rain; Santa Cruz, California averages 25°C high / 11°C low with about 5 mm.