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

In September, Saguaro National Park averages 30°C high / 18°C low with about 33 mm of rain; Zion National Park averages 27°C high / 11°C low with about 19 mm.

Saguaro National Park vs Zion National Park in September

Zion National Park is the better pick in September — 89 vs 78 on SeasonMap's comfort score. Zion National Park is warm, dry, clean air, while Saguaro National Park is hot, a little rain, clean air.

Saguaro National Park vs Zion National Park — September climate, side by side

	🇺🇸 Saguaro National Park	🇺🇸 Zion National Park
Comfort score	78/100 (B)	89/100 (A)
Feels-like high	29°C	24°C
Avg high / low	30° / 18°	27° / 11°
Rainfall	33 mm	19 mm
Rainy days	6	2
Humidity	42%	33%
Air quality (AQI)	34	41

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

Month by month

Saguaro National Park vs Zion National Park in September — FAQ

Is September better in Saguaro National Park or Zion National Park?: Zion National Park is the better pick in September — 89 vs 78 on SeasonMap's comfort score. Zion National Park is warm, dry, clean air, while Saguaro National Park is hot, a little rain, clean air.
What is the weather like in Saguaro National Park vs Zion National Park in September?: In September, Saguaro National Park averages 30°C high / 18°C low with about 33 mm of rain; Zion National Park averages 27°C high / 11°C low with about 19 mm.