Alaska weather in September
Considering a trip to Alaska this September and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:
What is the weather like in Alaska in September?
Alaska is a region in the United States of America. The weather in Alaska in September can be quite varied, with temperatures that range from very cold to moderate and precipitation levels ranging from moderate to heavy.
The average maximum daytime temperatures vary from very cold in Denali National Park and Preserve at 1°C to moderate in Soldotna at 14°C. Nighttime temperatures generally drop to 8°C in Soldotna and -5°C in Denali National Park and Preserve.
In September, precipitation varies across different areas. From moderate snow/rainfall in Point Barrow with an average of 32 mm to heavy snow/rainfall in Glacier Bay National Park and Preserve with 470 mm. Based on climate data from the last 30 years, Anchorage receives the most rainfall during this month of the year. Most areas experience a moderate amount of sunshine, with approximately 160 hours of sunlight expected in Anchorage. This makes it neither too gloomy nor overly bright.
For specific regional insights in Alaska for September, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our Alaska climate page.
Where to go in Alaska in September
perfect weather
pleasant
tolerable
unpleasant
poor
Popular destinations in Alaska
What is the weather like in September for the 5 most popular destinations in Alaska?
Average weather in Anchorage
In September Anchorage generally has moderate temperatures with maximum daytime temperatures around 13°C, minimum nighttime temperatures around 8°C and high monthly rainfall. So on average the conditions are poor that month.
Max temperature
Max temp
Min temperature
Min temp
Monthly sun hours
Sun hours
Monthly rainfall
Rainfall
Monthly rainy days
Rainy days
Weather conditions
Weather
Average weather in Fairbanks
In September Fairbanks generally has moderate temperatures with maximum daytime temperatures around 13°C, minimum nighttime temperatures around 4°C and moderate monthly rainfall. So on average the conditions are unpleasant that month.
Max temperature
Max temp
Min temperature
Min temp
Monthly sun hours
Sun hours
Monthly rainfall
Rainfall
Monthly rainy days
Rainy days
Weather conditions
Weather
Average weather in Juneau
In September Juneau generally has low temperatures with maximum daytime temperatures around 11°C, minimum nighttime temperatures around 5°C and heavy monthly rainfall. So on average the conditions are poor that month.
Max temperature
Max temp
Min temperature
Min temp
Monthly sun hours
Sun hours
Monthly rainfall
Rainfall
Monthly rainy days
Rainy days
Weather conditions
Weather
Average weather in Kenai
In September Kenai generally has moderate temperatures with maximum daytime temperatures around 14°C, minimum nighttime temperatures around 9°C and high monthly rainfall. So on average the conditions are unpleasant that month.
Max temperature
Max temp
Min temperature
Min temp
Monthly rainfall
Rainfall
Monthly rainy days
Rainy days
Weather conditions
Weather
Average weather in Soldotna
In September Soldotna generally has moderate temperatures with maximum daytime temperatures around 14°C, minimum nighttime temperatures around 8°C and high monthly rainfall. So on average the conditions are unpleasant that month.
Max temperature
Max temp
Min temperature
Min temp
Monthly rainfall
Rainfall
Monthly rainy days
Rainy days
Weather conditions
Weather
Is your destination not in the list? Have a look at other destinations in Alaska, in the United States of America.
Is September the best time to visit Alaska?
Given the typically poor weather conditions in Anchorage, September may not be the ideal time to visit Alaska.
Generally speaking, July provides pleasant weather in Anchorage. On the other hand, the weather in January, February, March, April, September, October, November and December tend to be poor.
Interested in more climate information?
We have much more information about the climate in Alaska.
Interested in the weather conditions in a specific month? Select the month below.
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 climate conditions. Find out where to go with our weather planner.