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

In September, San Francisco averages 22°C high / 14°C low with about 3 mm of rain; Savannah averages 31°C high / 21°C low with about 146 mm.

San Francisco vs Savannah in September

San Francisco is the better pick in September — 96 vs 67 on SeasonMap's comfort score. San Francisco is nice, dry, clean air, while Savannah is sweltering, rainy, clean air.

San Francisco vs Savannah — September climate, side by side

	San Francisco	Savannah
Comfort score	96/100 (S)	67/100 (C)
Feels-like high	21°C	34°C
Avg high / low	22° / 14°	31° / 21°
Rainfall	3 mm	146 mm
Rainy days	1	8
Humidity	75%	80%
Air quality (AQI)	35	46

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

San Francisco vs Savannah in September — FAQ

Is September better in San Francisco or Savannah?: San Francisco is the better pick in September — 96 vs 67 on SeasonMap's comfort score. San Francisco is nice, dry, clean air, while Savannah is sweltering, rainy, clean air.
What is the weather like in San Francisco vs Savannah in September?: In September, San Francisco averages 22°C high / 14°C low with about 3 mm of rain; Savannah averages 31°C high / 21°C low with about 146 mm.