What is the weather like in Portland vs Whistler in September?

In September, Portland averages 24°C high / 14°C low with about 46 mm of rain; Whistler averages 19°C high / 7°C low with about 97 mm.

Portland vs Whistler in September

Portland is the better pick in September — 94 vs 18 on SeasonMap's comfort score. Portland is warm, a little rain, clean air, while Whistler is nice, rainy, clean air.

Portland vs Whistler — September climate, side by side

	🇺🇸 Portland	🇨🇦 Whistler
Comfort score	94/100 (S)	18/100 (F)
Feels-like high	24°C	19°C
Avg high / low	24° / 14°	19° / 7°
Rainfall	46 mm	97 mm
Rainy days	5	10
Humidity	67%	79%
Air quality (AQI)	33	32

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

Month by month

Portland vs Whistler in September — FAQ

Is September better in Portland or Whistler?: Portland is the better pick in September — 94 vs 18 on SeasonMap's comfort score. Portland is warm, a little rain, clean air, while Whistler is nice, rainy, clean air.
What is the weather like in Portland vs Whistler in September?: In September, Portland averages 24°C high / 14°C low with about 46 mm of rain; Whistler averages 19°C high / 7°C low with about 97 mm.