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

In September, Phoenix averages 39°C high / 26°C low with about 12 mm of rain; Salt Lake City averages 29°C high / 14°C low with about 19 mm.

Phoenix vs Salt Lake City in September

Salt Lake City is the better pick in September — 92 vs 49 on SeasonMap's comfort score. Salt Lake City is warm, dry, clean air, while Phoenix is sweltering, dry, clean air.

Phoenix vs Salt Lake City — September climate, side by side

	Phoenix	Salt Lake City
Comfort score	49/100 (F)	92/100 (S)
Feels-like high	38°C	27°C
Avg high / low	39° / 26°	29° / 14°
Rainfall	12 mm	19 mm
Rainy days	2	1
Humidity	33%	51%
Air quality (AQI)	45	41

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

Phoenix vs Salt Lake City in September — FAQ

Is September better in Phoenix or Salt Lake City?: Salt Lake City is the better pick in September — 92 vs 49 on SeasonMap's comfort score. Salt Lake City is warm, dry, clean air, while Phoenix is sweltering, dry, clean air.
What is the weather like in Phoenix vs Salt Lake City in September?: In September, Phoenix averages 39°C high / 26°C low with about 12 mm of rain; Salt Lake City averages 29°C high / 14°C low with about 19 mm.