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

In September, Glacier National Park averages 14°C high / 4°C low with about 78 mm of rain; Jasper averages 18°C high / 3°C low with about 48 mm.

Glacier National Park vs Jasper in September

Jasper is the better pick in September — 90 vs 85 on SeasonMap's comfort score. Jasper is nice, a little rain, clean air, while Glacier National Park is cool, a little rain, clean air.

Glacier National Park vs Jasper — September climate, side by side

	🇺🇸 Glacier National Park	🇨🇦 Jasper
Comfort score	85/100 (A)	90/100 (S)
Feels-like high	11°C	16°C
Avg high / low	14° / 4°	18° / 3°
Rainfall	78 mm	48 mm
Rainy days	10	11
Humidity	65%	77%
Air quality (AQI)	37	35

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

Month by month

Glacier National Park vs Jasper in September — FAQ

Is September better in Glacier National Park or Jasper?: Jasper is the better pick in September — 90 vs 85 on SeasonMap's comfort score. Jasper is nice, a little rain, clean air, while Glacier National Park is cool, a little rain, clean air.
What is the weather like in Glacier National Park vs Jasper in September?: In September, Glacier National Park averages 14°C high / 4°C low with about 78 mm of rain; Jasper averages 18°C high / 3°C low with about 48 mm.