What is the weather like in Arches National Park vs Big Bend National Park in September?

In September, Arches National Park averages 29°C high / 13°C low with about 17 mm of rain; Big Bend National Park averages 28°C high / 17°C low with about 44 mm.

Arches National Park vs Big Bend National Park in September

Arches National Park and Big Bend National Park are nearly tied in September — 84 vs 81 on SeasonMap's comfort score. Arches National Park is warm, dry, clean air; Big Bend National Park is warm, a little rain, clean air.

Arches National Park vs Big Bend National Park — September climate, side by side

	🇺🇸 Arches National Park	🇺🇸 Big Bend National Park
Comfort score	84/100 (A)	81/100 (A)
Feels-like high	26°C	28°C
Avg high / low	29° / 13°	28° / 17°
Rainfall	17 mm	44 mm
Rainy days	3	5
Humidity	31%	48%
Air quality (AQI)	39	38

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

Month by month

Arches National Park vs Big Bend National Park in September — FAQ

Is September better in Arches National Park or Big Bend National Park?: Arches National Park and Big Bend National Park are nearly tied in September — 84 vs 81 on SeasonMap's comfort score. Arches National Park is warm, dry, clean air; Big Bend National Park is warm, a little rain, clean air.
What is the weather like in Arches National Park vs Big Bend National Park in September?: In September, Arches National Park averages 29°C high / 13°C low with about 17 mm of rain; Big Bend National Park averages 28°C high / 17°C low with about 44 mm.