Climate guide for Glacier Bay National Park, Alaska

Glacier Bay National Park in September

Weather, crowds & best time to visit

How to read the score (0–10)
05810
UnfavorableGoodOptimal

September · Alaska

Best time to visit Glacier Bay National Park in SeptemberWeather, crowds & prices

September score

3.6/10

Ranked #6 of 12 months

Full year for Glacier Bay National Park
Avg temp
4°C
Rainfall
697 mm
Humidity
88%
Sunny days
10
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

September in Glacier Bay National Park scores 3.6/10 for nature and wildlife travel - an above-average month (#6 of 12). Expect around 4°C, 697 mm of rain, and roughly 10 sunny days this month.

Glacier Bay is a roadless marine park of tidewater glaciers, rainforest shores, mountains, whales, and long fjord passages explored mainly by boat.

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Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Glacier Bay National Park in September?
In September, Glacier Bay National Park averages 4°C, 697 mm of rain, and about 10 sunny days. Its climate-comfort score is 3.6/10.
Is September a good time to visit Glacier Bay National Park?
September earns a 3.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Glacier Bay National Park in September?
Expect about 697 mm of rain in September. Average humidity is 88% and there are about 10 sunny days.

Curated in Glacier Bay National Park

Tickets & experiences

Things to do in Glacier Bay National Park

Glacier Bay National Park, Alaska. Live activities and tours from GetYourGuide, matched to this destination.