What is the weather like in Phoenix vs Tucson in September?

In September, Phoenix averages 39°C high / 26°C low with about 12 mm of rain; Tucson averages 37°C high / 22°C low with about 25 mm.

Phoenix vs Tucson in September

Tucson is the better pick in September — 59 vs 49 on SeasonMap's comfort score. Tucson is sweltering, dry, clean air, while Phoenix is sweltering, dry, clean air.

Phoenix vs Tucson — September climate, side by side

	🇺🇸 Phoenix	🇺🇸 Tucson
Comfort score	49/100 (F)	59/100 (D)
Feels-like high	38°C	36°C
Avg high / low	39° / 26°	37° / 22°
Rainfall	12 mm	25 mm
Rainy days	2	4
Humidity	33%	39%
Air quality (AQI)	45	35

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

Month by month

Phoenix 🇺🇸 United Statessweltering, dry, clean air · best March49
Tucson 🇺🇸 United Statessweltering, dry, clean air · best March59

Phoenix vs Tucson in September — FAQ

Is September better in Phoenix or Tucson?: Tucson is the better pick in September — 59 vs 49 on SeasonMap's comfort score. Tucson is sweltering, dry, clean air, while Phoenix is sweltering, dry, clean air.
What is the weather like in Phoenix vs Tucson in September?: In September, Phoenix averages 39°C high / 26°C low with about 12 mm of rain; Tucson averages 37°C high / 22°C low with about 25 mm.