What is the weather like in Salt Lake City vs San Diego in September?

In September, Salt Lake City averages 29°C high / 14°C low with about 19 mm of rain; San Diego averages 26°C high / 19°C low with about 6 mm.

Salt Lake City vs San Diego in September

Salt Lake City and San Diego are nearly tied in September — 92 vs 91 on SeasonMap's comfort score. Salt Lake City is warm, dry, clean air; San Diego is warm, dry, muggy air.

Salt Lake City vs San Diego — September climate, side by side

	Salt Lake City	San Diego
Comfort score	92/100 (S)	91/100 (S)
Feels-like high	27°C	27°C
Avg high / low	29° / 14°	26° / 19°
Rainfall	19 mm	6 mm
Rainy days	1	1
Humidity	51%	77%
Air quality (AQI)	41	53

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

Salt Lake City vs San Diego in September — FAQ

Is September better in Salt Lake City or San Diego?: Salt Lake City and San Diego are nearly tied in September — 92 vs 91 on SeasonMap's comfort score. Salt Lake City is warm, dry, clean air; San Diego is warm, dry, muggy air.
What is the weather like in Salt Lake City vs San Diego in September?: In September, Salt Lake City averages 29°C high / 14°C low with about 19 mm of rain; San Diego averages 26°C high / 19°C low with about 6 mm.