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

In September, Killington averages 16°C high / 6°C low with about 95 mm of rain; Sun Valley averages 22°C high / 3°C low with about 30 mm.

Killington vs Sun Valley in September

Killington and Sun Valley are nearly tied in September — 21 vs 18 on SeasonMap's comfort score. Killington is cool, rainy, clean air; Sun Valley is nice, dry, clean air.

Killington vs Sun Valley — September climate, side by side

	Killington	Sun Valley
Comfort score	21/100 (F)	18/100 (F)
Feels-like high	14°C	19°C
Avg high / low	16° / 6°	22° / 3°
Rainfall	95 mm	30 mm
Rainy days	9	5
Humidity	76%	52%
Air quality (AQI)	35	40

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

Killington vs Sun Valley in September — FAQ

Is September better in Killington or Sun Valley?: Killington and Sun Valley are nearly tied in September — 21 vs 18 on SeasonMap's comfort score. Killington is cool, rainy, clean air; Sun Valley is nice, dry, clean air.
What is the weather like in Killington vs Sun Valley in September?: In September, Killington averages 16°C high / 6°C low with about 95 mm of rain; Sun Valley averages 22°C high / 3°C low with about 30 mm.