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

In September, Flagstaff averages 24°C high / 9°C low with about 30 mm of rain; Joshua Tree National Park averages 34°C high / 20°C low with about 8 mm.

Flagstaff vs Joshua Tree National Park in September

Flagstaff is the better pick in September — 94 vs 54 on SeasonMap's comfort score. Flagstaff is nice, dry, clean air, while Joshua Tree National Park is hot, dry, clean air.

Flagstaff vs Joshua Tree National Park — September climate, side by side

	🇺🇸 Flagstaff	🇺🇸 Joshua Tree National Park
Comfort score	94/100 (S)	54/100 (D)
Feels-like high	23°C	33°C
Avg high / low	24° / 9°	34° / 20°
Rainfall	30 mm	8 mm
Rainy days	5	1
Humidity	49%	31%
Air quality (AQI)	41	49

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

Month by month

Flagstaff vs Joshua Tree National Park in September — FAQ

Is September better in Flagstaff or Joshua Tree National Park?: Flagstaff is the better pick in September — 94 vs 54 on SeasonMap's comfort score. Flagstaff is nice, dry, clean air, while Joshua Tree National Park is hot, dry, clean air.
What is the weather like in Flagstaff vs Joshua Tree National Park in September?: In September, Flagstaff averages 24°C high / 9°C low with about 30 mm of rain; Joshua Tree National Park averages 34°C high / 20°C low with about 8 mm.