Big Bend National Park vs Zion National Park in September

Zion National Park is the better pick in September — 89 vs 81 on SeasonMap's comfort score. Zion National Park is warm, dry, clean air, while Big Bend National Park is warm, a little rain, clean air.

Big Bend National Park vs Zion National ParkSeptember climate, side by side

Big Bend National ParkZion National Park
Comfort score81/100 (A)89/100 (A)
Feels-like high28°C24°C
Avg high / low28° / 17°27° / 11°
Rainfall44 mm19 mm
Rainy days52
Humidity48%33%
Air quality (AQI)3841

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

Big Bend National Park vs Zion National Park in September — FAQ

Is September better in Big Bend National Park or Zion National Park?
Zion National Park is the better pick in September — 89 vs 81 on SeasonMap's comfort score. Zion National Park is warm, dry, clean air, while Big Bend National Park is warm, a little rain, clean air.
What is the weather like in Big Bend National Park vs Zion National Park in September?
In September, Big Bend National Park averages 28°C high / 17°C low with about 44 mm of rain; Zion National Park averages 27°C high / 11°C low with about 19 mm.