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

In September, Juneau averages 15°C high / 7°C low with about 321 mm of rain; San Francisco averages 22°C high / 14°C low with about 3 mm.

Juneau vs San Francisco in September

San Francisco is the better pick in September — 96 vs 59 on SeasonMap's comfort score. San Francisco is nice, dry, clean air, while Juneau is cool, soaked, clean air.

Juneau vs San Francisco — September climate, side by side

	Juneau	San Francisco
Comfort score	59/100 (D)	96/100 (S)
Feels-like high	14°C	21°C
Avg high / low	15° / 7°	22° / 14°
Rainfall	321 mm	3 mm
Rainy days	21	1
Humidity	85%	75%
Air quality (AQI)	27	35

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

Juneau vs San Francisco in September — FAQ

Is September better in Juneau or San Francisco?: San Francisco is the better pick in September — 96 vs 59 on SeasonMap's comfort score. San Francisco is nice, dry, clean air, while Juneau is cool, soaked, clean air.
What is the weather like in Juneau vs San Francisco in September?: In September, Juneau averages 15°C high / 7°C low with about 321 mm of rain; San Francisco averages 22°C high / 14°C low with about 3 mm.