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

In September, Joshua Tree National Park averages 34°C high / 20°C low with about 8 mm of rain; Las Vegas averages 36°C high / 23°C low with about 6 mm.

Joshua Tree National Park vs Las Vegas in September

Las Vegas is the better pick in September — 61 vs 54 on SeasonMap's comfort score. Las Vegas is sweltering, dry, clean air, while Joshua Tree National Park is hot, dry, clean air.

Joshua Tree National Park vs Las Vegas — September climate, side by side

	🇺🇸 Joshua Tree National Park	🇺🇸 Las Vegas
Comfort score	54/100 (D)	61/100 (C)
Feels-like high	33°C	34°C
Avg high / low	34° / 20°	36° / 23°
Rainfall	8 mm	6 mm
Rainy days	1	1
Humidity	31%	25%
Air quality (AQI)	49	44

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

Month by month

Joshua Tree National Park vs Las Vegas in September — FAQ

Is September better in Joshua Tree National Park or Las Vegas?: Las Vegas is the better pick in September — 61 vs 54 on SeasonMap's comfort score. Las Vegas is sweltering, dry, clean air, while Joshua Tree National Park is hot, dry, clean air.
What is the weather like in Joshua Tree National Park vs Las Vegas in September?: In September, Joshua Tree National Park averages 34°C high / 20°C low with about 8 mm of rain; Las Vegas averages 36°C high / 23°C low with about 6 mm.