Temperature in Alaska in September

Daytime highs, nighttime lows and the warmest cities in Alaska, the United States of America this September.

Alaska, the United States of America, a region in the United States of America, experiences maximum daytime temperatures in September ranging from 1°C (34°F) in Denali National Park and Preserve to 15°C (59°F) in Wrangell. Nighttime temperatures generally drop to 8°C (46°F) in Wrangell and -5°C (23°F) in Denali National Park and Preserve.

What is the temperature of the different cities in Alaska, the United States of America in September?

Curious about the September temperatures in the prime spots of Alaska? Navigate the map below and tap on a destination dot for more detailed stats.

Select a Month

Check the conditions for any month of the year.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

For a detailed overview over the year and the best time to visit Alaska, check out our Alaska's climate page.

See also: Alaska weather by month.

Best Places to Visit in Alaska in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Alaska.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in September: blue is cold, red is hot.

See all September weather averages, cities and regions in Alaska

Alaska temperatures in September: frequently asked questions

How hot does it get in Alaska, the United States of America in September?

Average daytime highs in Alaska, the United States of America during September reach about 13°C (55°F) in Anchorage.

How cold does it get at night in Alaska, the United States of America in September?

Nighttime temperatures in Anchorage typically drop to around 8°C (46°F) in September.

What is the warmest city in September in Alaska, the United States of America?

Data insights from our comprehensive database indicate that Wrangell is the city with the highest warmth. Daytime peaks average near 15°C (59°F), while the nights are characterized by a low temperature close to 8°C (46°F).

What is the coldest city in September in Alaska, the United States of America?

The coldest city in September in Alaska, the United States of America is Denali National Park and Preserve when we check our database. The maximum daytime temperatures are around 1°C (34°F) and minimum nighttime temperatures fall around -5°C (23°F).

How much sun does Alaska, the United States of America get in September?

Anchorage usually sees around 160 hours of sunlight, indicating a moderately sunny period.

Interested in more climate information?

We have much more information about the climate in Alaska.

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.

Yosemite National Park is definitely worth a visit

Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
The 10 most alternative cities in the United States

Discover the top 10 fun and alternative U.S. cities rich in art, culture, and adventure. From Portland's hippy charm to Sedona's stunning landscapes.
Sedona: Explore Majestic Red Rock Landscapes

A picturesque artists' town surrounded by red rocks and known for its spirituality, vortex energy, and stunning hikes like Cathedral Rock.
10 most idyllic villages to visit in the United States

Discover 10 idyllic villages in the USA, from California to Vermont. Explore their unique charm, rich history, stunning nature, and vibrant arts scenes.
Must visit in the United States of America →