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

3.4/10

Ranked #6 of 12 months

Full year for Glacier Bay National Park
Avg temp
9°C
Rainfall
557 mm
Humidity
92%
Sunny days
0
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

September in Glacier Bay National Park scores 3.4/10 for nature and wildlife travel - an above-average month (#6 of 12). Expect around 9°C, 557 mm of rain, and roughly 0 sunny days this month.

Glacier Bay National Park reveals tidewater glaciers calving into fjords with humpback whales and rainforest shores.

View all 12 months

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 9°C, 557 mm of rain, and about 0 sunny days. Its climate-comfort score is 3.4/10.
Is September a good time to visit Glacier Bay National Park?
September earns a 3.4/10 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 557 mm of rain in September. Average humidity is 92% and there are about 0 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.