What is the weather like in Calgary vs Las Vegas in September?

In September, Calgary averages 20°C high / 6°C low with about 27 mm of rain; Las Vegas averages 36°C high / 23°C low with about 6 mm.

Calgary vs Las Vegas in September

Calgary is the better pick in September — 86 vs 61 on SeasonMap's comfort score. Calgary is nice, dry, clean air, while Las Vegas is sweltering, dry, clean air.

Calgary vs Las Vegas — September climate, side by side

	Calgary	Las Vegas
Comfort score	86/100 (A)	61/100 (C)
Feels-like high	17°C	34°C
Avg high / low	20° / 6°	36° / 23°
Rainfall	27 mm	6 mm
Rainy days	5	1
Humidity	63%	25%
Air quality (AQI)	41	44

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

Calgary vs Las Vegas in September — FAQ

Is September better in Calgary or Las Vegas?: Calgary is the better pick in September — 86 vs 61 on SeasonMap's comfort score. Calgary is nice, dry, clean air, while Las Vegas is sweltering, dry, clean air.
What is the weather like in Calgary vs Las Vegas in September?: In September, Calgary averages 20°C high / 6°C low with about 27 mm of rain; Las Vegas averages 36°C high / 23°C low with about 6 mm.