Cincinnati 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 Cincinnati is warm, a little rain, clean air.

Cincinnati vs San FranciscoSeptember climate, side by side

CincinnatiSan Francisco
Comfort score89/100 (A)96/100 (S)
Feels-like high28°C21°C
Avg high / low27° / 14°22° / 14°
Rainfall65 mm3 mm
Rainy days61
Humidity69%75%
Air quality (AQI)4635

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

Cincinnati vs San Francisco in September — FAQ

Is September better in Cincinnati 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 Cincinnati is warm, a little rain, clean air.
What is the weather like in Cincinnati vs San Francisco in September?
In September, Cincinnati averages 27°C high / 14°C low with about 65 mm of rain; San Francisco averages 22°C high / 14°C low with about 3 mm.