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

In September, Jasper averages 18°C high / 3°C low with about 48 mm of rain; Rocky Mountain National Park averages 18°C high / 6°C low with about 41 mm.

Jasper vs Rocky Mountain National Park in September

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

Jasper vs Rocky Mountain National Park — September climate, side by side

	🇨🇦 Jasper	🇺🇸 Rocky Mountain National Park
Comfort score	90/100 (S)	90/100 (S)
Feels-like high	16°C	15°C
Avg high / low	18° / 3°	18° / 6°
Rainfall	48 mm	41 mm
Rainy days	11	6
Humidity	77%	57%
Air quality (AQI)	35	40

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

Month by month

Jasper vs Rocky Mountain National Park in September — FAQ

Is September better in Jasper or Rocky Mountain National Park?: Jasper and Rocky Mountain National Park are nearly tied in September — 90 vs 90 on SeasonMap's comfort score. Jasper is nice, a little rain, clean air; Rocky Mountain National Park is cool, a little rain, clean air.
What is the weather like in Jasper vs Rocky Mountain National Park in September?: In September, Jasper averages 18°C high / 3°C low with about 48 mm of rain; Rocky Mountain National Park averages 18°C high / 6°C low with about 41 mm.