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

In September, Big Sky averages 19°C high / 7°C low with about 63 mm of rain; Vail averages 21°C high / 2°C low with about 36 mm.

Big Sky vs Vail in September

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

Big Sky vs Vail — September climate, side by side

	🇺🇸 Big Sky	🇺🇸 Vail
Comfort score	23/100 (F)	20/100 (F)
Feels-like high	17°C	18°C
Avg high / low	19° / 7°	21° / 2°
Rainfall	63 mm	36 mm
Rainy days	10	7
Humidity	60%	54%
Air quality (AQI)	39	43

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

Month by month

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

Big Sky vs Vail in September — FAQ

Is September better in Big Sky or Vail?: Big Sky and Vail are nearly tied in September — 23 vs 20 on SeasonMap's comfort score. Big Sky is nice, a little rain, clean air; Vail is nice, a little rain, clean air.
What is the weather like in Big Sky vs Vail in September?: In September, Big Sky averages 19°C high / 7°C low with about 63 mm of rain; Vail averages 21°C high / 2°C low with about 36 mm.