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

In September, Columbus averages 27°C high / 14°C low with about 79 mm of rain; San Francisco averages 22°C high / 14°C low with about 3 mm.

Columbus vs San Francisco in September

San Francisco is the better pick in September — 96 vs 89 on SeasonMap's comfort score. San Francisco is nice, dry, clean air, while Columbus is warm, a little rain, clean air.

Columbus vs San Francisco — September climate, side by side

	Columbus	San Francisco
Comfort score	89/100 (A)	96/100 (S)
Feels-like high	27°C	21°C
Avg high / low	27° / 14°	22° / 14°
Rainfall	79 mm	3 mm
Rainy days	6	1
Humidity	69%	75%
Air quality (AQI)	42	35

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

Columbus vs San Francisco in September — FAQ

Is September better in Columbus or San Francisco?: San Francisco is the better pick in September — 96 vs 89 on SeasonMap's comfort score. San Francisco is nice, dry, clean air, while Columbus is warm, a little rain, clean air.
What is the weather like in Columbus vs San Francisco in September?: In September, Columbus averages 27°C high / 14°C low with about 79 mm of rain; San Francisco averages 22°C high / 14°C low with about 3 mm.