What is the weather like in Glacier Bay National Park vs Lake Clark National Park in September?

In September, Glacier Bay National Park averages 8°C high / 5°C low with about 514 mm of rain; Lake Clark National Park averages 4°C high / 0°C low with about 160 mm.

Glacier Bay National Park vs Lake Clark National Park in September

Lake Clark National Park is the better pick in September — 69 vs 61 on SeasonMap's comfort score. Lake Clark National Park is cold, soaked, clean air, while Glacier Bay National Park is cold, soaked, clean air.

Glacier Bay National Park vs Lake Clark National Park — September climate, side by side

	🇺🇸 Glacier Bay National Park	🇺🇸 Lake Clark National Park
Comfort score	61/100 (C)	69/100 (C)
Feels-like high	6°C	1°C
Avg high / low	8° / 5°	4° / 0°
Rainfall	514 mm	160 mm
Rainy days	20	18
Humidity	87%	86%
Air quality (AQI)	30	24

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

Month by month

Glacier Bay National Park vs Lake Clark National Park in September — FAQ

Is September better in Glacier Bay National Park or Lake Clark National Park?: Lake Clark National Park is the better pick in September — 69 vs 61 on SeasonMap's comfort score. Lake Clark National Park is cold, soaked, clean air, while Glacier Bay National Park is cold, soaked, clean air.
What is the weather like in Glacier Bay National Park vs Lake Clark National Park in September?: In September, Glacier Bay National Park averages 8°C high / 5°C low with about 514 mm of rain; Lake Clark National Park averages 4°C high / 0°C low with about 160 mm.