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

In September, Alta averages 17°C high / 8°C low with about 97 mm of rain; Big Bend National Park averages 28°C high / 17°C low with about 44 mm.

Alta vs Big Bend National Park in September

Big Bend National Park is the better pick in September — 81 vs 22 on SeasonMap's comfort score. Big Bend National Park is warm, a little rain, clean air, while Alta is nice, rainy, clean air.

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

	🇺🇸 Alta	🇺🇸 Big Bend National Park
Comfort score	22/100 (F)	81/100 (A)
Feels-like high	17°C	28°C
Avg high / low	17° / 8°	28° / 17°
Rainfall	97 mm	44 mm
Rainy days	12	5
Humidity	52%	48%
Air quality (AQI)	42	38

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

Month by month

Alta vs Big Bend National Park in September — FAQ

Is September better in Alta or Big Bend National Park?: Big Bend National Park is the better pick in September — 81 vs 22 on SeasonMap's comfort score. Big Bend National Park is warm, a little rain, clean air, while Alta is nice, rainy, clean air.
What is the weather like in Alta vs Big Bend National Park in September?: In September, Alta averages 17°C high / 8°C low with about 97 mm of rain; Big Bend National Park averages 28°C high / 17°C low with about 44 mm.