What is the weather like in Grand Teton National Park vs Jasper in September?

In September, Grand Teton National Park averages 19°C high / 1°C low with about 58 mm of rain; Jasper averages 18°C high / 3°C low with about 48 mm.

Grand Teton National Park vs Jasper in September

Grand Teton National Park and Jasper are nearly tied in September — 89 vs 90 on SeasonMap's comfort score. Grand Teton National Park is nice, a little rain, clean air; Jasper is nice, a little rain, clean air.

Grand Teton National Park vs Jasper — September climate, side by side

	🇺🇸 Grand Teton National Park	🇨🇦 Jasper
Comfort score	89/100 (A)	90/100 (S)
Feels-like high	17°C	16°C
Avg high / low	19° / 1°	18° / 3°
Rainfall	58 mm	48 mm
Rainy days	7	11
Humidity	61%	77%
Air quality (AQI)	40	35

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

Month by month

Grand Teton National Park vs Jasper in September — FAQ

Is September better in Grand Teton National Park or Jasper?: Grand Teton National Park and Jasper are nearly tied in September — 89 vs 90 on SeasonMap's comfort score. Grand Teton National Park is nice, a little rain, clean air; Jasper is nice, a little rain, clean air.
What is the weather like in Grand Teton National Park vs Jasper in September?: In September, Grand Teton National Park averages 19°C high / 1°C low with about 58 mm of rain; Jasper averages 18°C high / 3°C low with about 48 mm.