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

In September, Juneau averages 15°C high / 7°C low with about 321 mm of rain; Katmai National Park averages 11°C high / 7°C low with about 139 mm.

Juneau vs Katmai National Park in September

Katmai National Park is the better pick in September — 75 vs 59 on SeasonMap's comfort score. Katmai National Park is cool, rainy, clean air, while Juneau is cool, soaked, clean air.

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

	🇺🇸 Juneau	🇺🇸 Katmai National Park
Comfort score	59/100 (D)	75/100 (B)
Feels-like high	14°C	10°C
Avg high / low	15° / 7°	11° / 7°
Rainfall	321 mm	139 mm
Rainy days	21	18
Humidity	85%	87%
Air quality (AQI)	27	24

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

Month by month

Juneau vs Katmai National Park in September — FAQ

Is September better in Juneau or Katmai National Park?: Katmai National Park is the better pick in September — 75 vs 59 on SeasonMap's comfort score. Katmai National Park is cool, rainy, clean air, while Juneau is cool, soaked, clean air.
What is the weather like in Juneau vs Katmai National Park in September?: In September, Juneau averages 15°C high / 7°C low with about 321 mm of rain; Katmai National Park averages 11°C high / 7°C low with about 139 mm.