What is the weather like in Grand Canyon National Park vs Joshua Tree National Park in September?

In September, Grand Canyon National Park averages 35°C high / 19°C low with about 14 mm of rain; Joshua Tree National Park averages 34°C high / 20°C low with about 8 mm.

Grand Canyon National Park vs Joshua Tree National Park in September

Grand Canyon National Park and Joshua Tree National Park are nearly tied in September — 52 vs 54 on SeasonMap's comfort score. Grand Canyon National Park is hot, dry, clean air; Joshua Tree National Park is hot, dry, clean air.

Grand Canyon National Park vs Joshua Tree National Park — September climate, side by side

	🇺🇸 Grand Canyon National Park	🇺🇸 Joshua Tree National Park
Comfort score	52/100 (D)	54/100 (D)
Feels-like high	33°C	33°C
Avg high / low	35° / 19°	34° / 20°
Rainfall	14 mm	8 mm
Rainy days	2	1
Humidity	34%	31%
Air quality (AQI)	38	49

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

Month by month

Grand Canyon National Park vs Joshua Tree National Park in September — FAQ

Is September better in Grand Canyon National Park or Joshua Tree National Park?: Grand Canyon National Park and Joshua Tree National Park are nearly tied in September — 52 vs 54 on SeasonMap's comfort score. Grand Canyon National Park is hot, dry, clean air; Joshua Tree National Park is hot, dry, clean air.
What is the weather like in Grand Canyon National Park vs Joshua Tree National Park in September?: In September, Grand Canyon National Park averages 35°C high / 19°C low with about 14 mm of rain; Joshua Tree National Park averages 34°C high / 20°C low with about 8 mm.