What is the weather like in San Francisco vs St. Augustine in September?

In September, San Francisco averages 22°C high / 14°C low with about 3 mm of rain; St. Augustine averages 29°C high / 23°C low with about 143 mm.

San Francisco vs St. Augustine in September

San Francisco is the better pick in September — 96 vs 63 on SeasonMap's comfort score. San Francisco is nice, dry, clean air, while St. Augustine is sweltering, rainy, clean air.

San Francisco vs St. Augustine — September climate, side by side

	San Francisco	St. Augustine
Comfort score	96/100 (S)	63/100 (C)
Feels-like high	21°C	34°C
Avg high / low	22° / 14°	29° / 23°
Rainfall	3 mm	143 mm
Rainy days	1	13
Humidity	75%	81%
Air quality (AQI)	35	44

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

San Francisco vs St. Augustine in September — FAQ

Is September better in San Francisco or St. Augustine?: San Francisco is the better pick in September — 96 vs 63 on SeasonMap's comfort score. San Francisco is nice, dry, clean air, while St. Augustine is sweltering, rainy, clean air.
What is the weather like in San Francisco vs St. Augustine in September?: In September, San Francisco averages 22°C high / 14°C low with about 3 mm of rain; St. Augustine averages 29°C high / 23°C low with about 143 mm.