What is the weather like in Denali National Park vs Katmai National Park in September?

In September, Denali National Park averages 10°C high / 4°C low with about 97 mm of rain; Katmai National Park averages 11°C high / 7°C low with about 139 mm.

Denali National Park vs Katmai National Park in September

Denali National Park and Katmai National Park are nearly tied in September — 75 vs 75 on SeasonMap's comfort score. Denali National Park is cold, rainy, clean air; Katmai National Park is cool, rainy, clean air.

Denali National Park vs Katmai National Park — September climate, side by side

	🇺🇸 Denali National Park	🇺🇸 Katmai National Park
Comfort score	75/100 (B)	75/100 (B)
Feels-like high	7°C	10°C
Avg high / low	10° / 4°	11° / 7°
Rainfall	97 mm	139 mm
Rainy days	17	18
Humidity	80%	87%
Air quality (AQI)	23	24

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

Month by month

Denali National Park vs Katmai National Park in September — FAQ

Is September better in Denali National Park or Katmai National Park?: Denali National Park and Katmai National Park are nearly tied in September — 75 vs 75 on SeasonMap's comfort score. Denali National Park is cold, rainy, clean air; Katmai National Park is cool, rainy, clean air.
What is the weather like in Denali National Park vs Katmai National Park in September?: In September, Denali National Park averages 10°C high / 4°C low with about 97 mm of rain; Katmai National Park averages 11°C high / 7°C low with about 139 mm.