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

In September, Calgary averages 20°C high / 6°C low with about 27 mm of rain; Phoenix averages 39°C high / 26°C low with about 12 mm.

Calgary vs Phoenix in September

Calgary is the better pick in September — 86 vs 49 on SeasonMap's comfort score. Calgary is nice, dry, clean air, while Phoenix is sweltering, dry, clean air.

Calgary vs Phoenix — September climate, side by side

	Calgary	Phoenix
Comfort score	86/100 (A)	49/100 (F)
Feels-like high	17°C	38°C
Avg high / low	20° / 6°	39° / 26°
Rainfall	27 mm	12 mm
Rainy days	5	2
Humidity	63%	33%
Air quality (AQI)	41	45

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

Calgary vs Phoenix in September — FAQ

Is September better in Calgary or Phoenix?: Calgary is the better pick in September — 86 vs 49 on SeasonMap's comfort score. Calgary is nice, dry, clean air, while Phoenix is sweltering, dry, clean air.
What is the weather like in Calgary vs Phoenix in September?: In September, Calgary averages 20°C high / 6°C low with about 27 mm of rain; Phoenix averages 39°C high / 26°C low with about 12 mm.