Juneau weather in September (Alaska, United States of America)
Curious about the September weather in Juneau? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.
In September, Juneau typically experiences low temperatures and heavy rainfall. Anticipate daytime temperatures around 11°C, while night temperatures can drop to 5°C.
Juneau in September falls under the rainy season with heavy rainfall, averaging around 368 mm for the month. In this month, the heaviest downpours of the year are not uncommon. Carrying a poncho might be your best bet to stay dry. Typically around 19 days of rainfall is expected.
The area experiences a moderate amount of sunshine, with approximately 112 hours of sunlight expected. This makes it neither too gloomy nor overly bright.
If your ideal day consists of dry skies and moderate temperatures generally stand out with the best circumstances. While tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Juneau climate page with graphs.
Juneau, monthly averages in September
Min Temperature
5°C
Max Temperature
11°C
Chance of Rain
62%
Precipitation
368 mm
Rainy days
19 days
Humidity
87%
Windspeed
14 km/h
Sunshine
112 hours
Percentage Sunshine
29%
Where to go in the United States of America in September
Find out more about the weather in the United States of America in September and which places have the best weather conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in Juneau in September?
Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do in September.
Interested in more climate information?
Weather and Climate provides you with all the information you need about the climate in Juneau.
Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find 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.
