What is the weather like in Park City vs Sun Valley in September?

In September, Park City averages 22°C high / 8°C low with about 54 mm of rain; Sun Valley averages 22°C high / 3°C low with about 30 mm.

Park City vs Sun Valley in September

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

Park City vs Sun Valley — September climate, side by side

	Park City	Sun Valley
Comfort score	19/100 (F)	18/100 (F)
Feels-like high	19°C	19°C
Avg high / low	22° / 8°	22° / 3°
Rainfall	54 mm	30 mm
Rainy days	7	5
Humidity	52%	52%
Air quality (AQI)	39	40

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

Park City vs Sun Valley in September — FAQ

Is September better in Park City or Sun Valley?: Park City and Sun Valley are nearly tied in September — 19 vs 18 on SeasonMap's comfort score. Park City is nice, a little rain, clean air; Sun Valley is nice, dry, clean air.
What is the weather like in Park City vs Sun Valley in September?: In September, Park City averages 22°C high / 8°C low with about 54 mm of rain; Sun Valley averages 22°C high / 3°C low with about 30 mm.