What is the weather like in Aspen vs Big Sky in September?

In September, Aspen averages 22°C high / 6°C low with about 30 mm of rain; Big Sky averages 19°C high / 7°C low with about 63 mm.

Aspen vs Big Sky in September

Aspen and Big Sky are nearly tied in September — 20 vs 23 on SeasonMap's comfort score. Aspen is nice, a little rain, clean air; Big Sky is nice, a little rain, clean air.

Aspen vs Big Sky — September climate, side by side

	🇺🇸 Aspen	🇺🇸 Big Sky
Comfort score	20/100 (F)	23/100 (F)
Feels-like high	20°C	17°C
Avg high / low	22° / 6°	19° / 7°
Rainfall	30 mm	63 mm
Rainy days	6	10
Humidity	55%	60%
Air quality (AQI)	44	39

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

Month by month

Aspen 🇺🇸 United Statesnice, a little rain, clean air · best January20
Big Sky 🇺🇸 United Statesnice, a little rain, clean air · best February23

Aspen vs Big Sky in September — FAQ

Is September better in Aspen or Big Sky?: Aspen and Big Sky are nearly tied in September — 20 vs 23 on SeasonMap's comfort score. Aspen is nice, a little rain, clean air; Big Sky is nice, a little rain, clean air.
What is the weather like in Aspen vs Big Sky in September?: In September, Aspen averages 22°C high / 6°C low with about 30 mm of rain; Big Sky averages 19°C high / 7°C low with about 63 mm.