Death Valley 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 Death Valley National Park is warm, dry, clean air.

Death Valley National Park vs Zion National ParkSeptember climate, side by side

Death Valley National ParkZion National Park
Comfort score84/100 (A)89/100 (A)
Feels-like high26°C24°C
Avg high / low28° / 17°27° / 11°
Rainfall4 mm19 mm
Rainy days12
Humidity21%33%
Air quality (AQI)4741

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

Death Valley National Park vs Zion National Park in September — FAQ

Is September better in Death Valley 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 Death Valley National Park is warm, dry, clean air.
What is the weather like in Death Valley National Park vs Zion National Park in September?
In September, Death Valley National Park averages 28°C high / 17°C low with about 4 mm of rain; Zion National Park averages 27°C high / 11°C low with about 19 mm.