Climate guide for Kodiak, Alaska

Kodiak in September

Weather, crowds & best time to visit

How to read the score (0–10)
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September · Alaska

Best time to visit Kodiak in September Weather, crowds & prices

Weather in Kodiak in September

Average temperature 10°C, 96 mm of rain, about 3 days with 6+ hours of sunshine and 84% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

5.7/10

Ranked #5 of 12 months

Full year for Kodiak
Avg temp
10°C
Rainfall
96 mm
Humidity
84%
Days with 6h+ sun
3
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

September in Kodiak scores 5.7/10 for nature and wildlife travel - an above-average month (#5 of 12). Expect around 10°C, 96 mm of rain, and roughly 3 days with 6+ hours of sunshine this month.

Kodiak Island pairs brown-bear country with rugged coastlines, fishing fleets, and Aleutian weather drama.

September in Kodiak — workable with trade-offs

Expect 10°C (50°F) in September. A good month for city streets, viewpoints and long meals; leave swimming for another season.

Budget for roughly 96 mm of rain this month — a flexible day or two helps — with about 3 days with 6+ hours of sunshine and 12.5 hours of daylight to work around it.

That is 5.7/10 on the same scale — 5th of 12 months, versus 7.7/10 for the best month here.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer, footwear you can get muddy.

Budget for mid-season pricing, and crowds are moderate.

If your dates are flexible, June is materially better in Kodiak — 2 points higher on the same scale.

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 Kodiak in September?
In September, Kodiak averages 10°C, 96 mm of rain, and about 3 days with 6+ hours of sunshine. Its climate-comfort score is 5.7/10.
Is September a good time to visit Kodiak?
September earns a 5.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Kodiak in September?
Expect about 96 mm of rain in September. Average humidity is 84% and there are about 3 days with 6+ hours of sunshine.

Curated in Kodiak

Tickets & experiences

Things to do in Kodiak

Kodiak, Alaska. Live activities and tours from GetYourGuide, matched to this destination.