What is the weather like in Petrified Forest National Park vs Zion National Park in September?

In September, Petrified Forest National Park averages 30°C high / 13°C low with about 22 mm of rain; Zion National Park averages 27°C high / 11°C low with about 19 mm.

Petrified Forest National Park vs Zion National Park in September

Zion National Park is the better pick in September — 89 vs 79 on SeasonMap's comfort score. Zion National Park is warm, dry, clean air, while Petrified Forest National Park is warm, dry, clean air.

Petrified Forest National Park vs Zion National Park — September climate, side by side

	🇺🇸 Petrified Forest National Park	🇺🇸 Zion National Park
Comfort score	79/100 (B)	89/100 (A)
Feels-like high	27°C	24°C
Avg high / low	30° / 13°	27° / 11°
Rainfall	22 mm	19 mm
Rainy days	4	2
Humidity	35%	33%
Air quality (AQI)	38	41

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

Month by month

Petrified Forest National Park vs Zion National Park in September — FAQ

Is September better in Petrified Forest National Park or Zion National Park?: Zion National Park is the better pick in September — 89 vs 79 on SeasonMap's comfort score. Zion National Park is warm, dry, clean air, while Petrified Forest National Park is warm, dry, clean air.
What is the weather like in Petrified Forest National Park vs Zion National Park in September?: In September, Petrified Forest National Park averages 30°C high / 13°C low with about 22 mm of rain; Zion National Park averages 27°C high / 11°C low with about 19 mm.