Arches National Park vs Zion National Park in September

Zion National Park is the better pick in September — 89 vs 84 on SeasonMap's comfort score. Zion National Park is warm, dry, clean air, while Arches National Park is warm, dry, clean air.

Arches National Park vs Zion National ParkSeptember climate, side by side

Arches National ParkZion National Park
Comfort score84/100 (A)89/100 (A)
Feels-like high26°C24°C
Avg high / low29° / 13°27° / 11°
Rainfall17 mm19 mm
Rainy days32
Humidity31%33%
Air quality (AQI)3941

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

Arches National Park vs Zion National Park in September — FAQ

Is September better in Arches National Park or Zion National Park?
Zion National Park is the better pick in September — 89 vs 84 on SeasonMap's comfort score. Zion National Park is warm, dry, clean air, while Arches National Park is warm, dry, clean air.
What is the weather like in Arches National Park vs Zion National Park in September?
In September, Arches National Park averages 29°C high / 13°C low with about 17 mm of rain; Zion National Park averages 27°C high / 11°C low with about 19 mm.