What is the weather like in Sun Valley vs Whitefish in September?

In September, Sun Valley averages 22°C high / 3°C low with about 30 mm of rain; Whitefish averages 22°C high / 6°C low with about 26 mm.

Sun Valley vs Whitefish in September

Sun Valley and Whitefish are nearly tied in September — 18 vs 19 on SeasonMap's comfort score. Sun Valley is nice, dry, clean air; Whitefish is nice, dry, clean air.

Sun Valley vs Whitefish — September climate, side by side

	🇺🇸 Sun Valley	🇺🇸 Whitefish
Comfort score	18/100 (F)	19/100 (F)
Feels-like high	19°C	20°C
Avg high / low	22° / 3°	22° / 6°
Rainfall	30 mm	26 mm
Rainy days	5	5
Humidity	52%	63%
Air quality (AQI)	40	34

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

Month by month

Sun Valley vs Whitefish in September — FAQ

Is September better in Sun Valley or Whitefish?: Sun Valley and Whitefish are nearly tied in September — 18 vs 19 on SeasonMap's comfort score. Sun Valley is nice, dry, clean air; Whitefish is nice, dry, clean air.
What is the weather like in Sun Valley vs Whitefish in September?: In September, Sun Valley averages 22°C high / 3°C low with about 30 mm of rain; Whitefish averages 22°C high / 6°C low with about 26 mm.