Kodiak in September

In September, Kodiak averages 13°C (55°F) during the day and 8°C (47°F) at night, with frequent rain — about 21 days of the month see precipitation (124 mm total).

Off-peak

Conditions are cool — bring a jacket for evenings. Expect daily rain or showers, often in heavy bursts.

It's peak hurricane season in Kodiak during September. Travel is possible but expect storm risk, possible flight disruption, and generally lower travel insurance coverage.

13°C
Avg high
8°C
Avg low
21
Rain days
124 mm
Rainfall

How September compares to the rest of the year in Kodiak

4th
warmest month of the 12
5th
wettest month of the 12
8%
of yearly rainfall falls in September
12 h 50 min
daylight on the 15th

September is in the middle of the year for warmth in Kodiak (4th of 12) and moderately rainy compared to the rest of the year (5th of 12). Daytime temperature runs 5°C above the annual average (8°C). September runs 3°C cooler than August (16°C) and cools 5°C in October (8°C).

September sunrise & sunset in Kodiak

🌅
Sunrise (15th)
7:40 AM
🌇
Sunset (15th)
8:29 PM
Day length
12 h 50 min

Times shown for Kodiak local time (America/Anchorage), calculated for the 15th of September. They shift by a few minutes day to day across the month.

Photography light in Kodiak — September

Golden-hour and blue-hour windows for the 15th of September, in Kodiak's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
6:40 AM – 7:20 AM
🌄 Golden hour (AM)
7:20 AM – 8:20 AM
🌇 Golden hour (PM)
7:49 PM – 8:49 PM
🌆 Blue hour (PM)
8:49 PM – 9:29 PM
Milky Way galactic core
Poor
Core barely rises (or hasn't yet returned for the season). Consider a different month.
Aurora visibility
Fair
Aurora is possible from Kodiak but requires a strong geomagnetic event (Kp 5+) plus clear skies — chase nights, don't count on them.

📅 When to book — Kodiak in September

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (Off-peak) and Kodiak's popularity.

✈ Flights — lead time
3-6 weeks
Cheapest flights of the year. Last-minute deals are real if you can be flexible. ⚠ Peak hazard season — book flexible-change tickets and travel insurance with weather-disruption coverage.
🏨 Lodging — lead time
2-4 weeks
Last-minute bookings work fine. Some seasonal properties close — call ahead if it's a small boutique or beach resort.

Crowds & pricing — September in Kodiak

Off-peak

This is off-peak for Kodiak — the lowest prices of the year and the fewest crowds, but with real trade-offs: some restaurants, hotels, and beach businesses may close for the season; weather conditions can make outdoor activities unpredictable; and a handful of seasonal sights run reduced hours or close entirely. Great if you prefer a quiet local rhythm and don't mind the climate giving you reasons to choose indoor activities.

Why this tier: peak hazard season (1 active)

Sun & mosquito risk — September in Kodiak

☀️ UV Index (noon, 15th)
6.2
High
Cover up and apply SPF 30+ for any outdoor activity longer than 30 minutes.
🦟 Mosquito risk
●●○○○
Low
Mosquitoes present but manageable. Pack repellent (DEET 10-20%) for evenings near water.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Kodiak in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 2°C / 36°F -1°C / 30°F 157 mm 23
February 3°C / 37°F -2°C / 29°F 122 mm 19
March 3°C / 37°F -1°C / 29°F 113 mm 19
April 6°C / 42°F 2°C / 35°F 131 mm 23
May 10°C / 49°F 5°C / 41°F 122 mm 22
June 13°C / 55°F 8°C / 47°F 104 mm 20
July 16°C / 60°F 11°C / 52°F 100 mm 20
August 16°C / 60°F 11°C / 52°F 115 mm 20
September 13°C / 55°F 8°C / 47°F 124 mm 21
October 8°C / 46°F 4°C / 40°F 168 mm 21
November 4°C / 40°F 1°C / 33°F 163 mm 22
December 3°C / 37°F -1°C / 30°F 181 mm 20

Other cities with similar September weather

🌍 See the full ranked list of climate twins for Kodiak in September →

Frequently asked questions

How hot is Kodiak in September?

In September, Kodiak averages a high of 13°C (55°F) and a low of 8°C (47°F) — generally cool.

Does it rain a lot in Kodiak in September?

September is quite rainy in Kodiak, with about 21 rainy days on average.

Is September a good time to visit Kodiak?

September is cool but on the rainy side. It suits travelers who are comfortable with cool weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Kodiak in September?

Pack a warm jacket and layers, plus a compact umbrella or rain jacket. See the full September packing list for Kodiak for a complete, climate-based checklist.

Open Kodiak on the interactive map

Check the live 10-day forecast and sunrise/sunset.