What is the weather like in Las Vegas vs Zion National Park in September?

In September, Las Vegas averages 36°C high / 23°C low with about 6 mm of rain; Zion National Park averages 27°C high / 11°C low with about 19 mm.

Las Vegas vs Zion National Park in September

Zion National Park is the better pick in September — 89 vs 61 on SeasonMap's comfort score. Zion National Park is warm, dry, clean air, while Las Vegas is sweltering, dry, clean air.

Las Vegas vs Zion National Park — September climate, side by side

	🇺🇸 Las Vegas	🇺🇸 Zion National Park
Comfort score	61/100 (C)	89/100 (A)
Feels-like high	34°C	24°C
Avg high / low	36° / 23°	27° / 11°
Rainfall	6 mm	19 mm
Rainy days	1	2
Humidity	25%	33%
Air quality (AQI)	44	41

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

Month by month

Las Vegas vs Zion National Park in September — FAQ

Is September better in Las Vegas or Zion National Park?: Zion National Park is the better pick in September — 89 vs 61 on SeasonMap's comfort score. Zion National Park is warm, dry, clean air, while Las Vegas is sweltering, dry, clean air.
What is the weather like in Las Vegas vs Zion National Park in September?: In September, Las Vegas averages 36°C high / 23°C low with about 6 mm of rain; Zion National Park averages 27°C high / 11°C low with about 19 mm.