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

In September, Houston averages 33°C high / 24°C low with about 180 mm of rain; San Francisco averages 22°C high / 14°C low with about 3 mm.

Houston vs San Francisco in September

San Francisco is the better pick in September — 96 vs 61 on SeasonMap's comfort score. San Francisco is nice, dry, clean air, while Houston is sweltering, soaked, muggy air.

Houston vs San Francisco — September climate, side by side

	Houston	San Francisco
Comfort score	61/100 (C)	96/100 (S)
Feels-like high	37°C	21°C
Avg high / low	33° / 24°	22° / 14°
Rainfall	180 mm	3 mm
Rainy days	8	1
Humidity	77%	75%
Air quality (AQI)	54	35

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

Houston vs San Francisco in September — FAQ

Is September better in Houston or San Francisco?: San Francisco is the better pick in September — 96 vs 61 on SeasonMap's comfort score. San Francisco is nice, dry, clean air, while Houston is sweltering, soaked, muggy air.
What is the weather like in Houston vs San Francisco in September?: In September, Houston averages 33°C high / 24°C low with about 180 mm of rain; San Francisco averages 22°C high / 14°C low with about 3 mm.