ClimateForecastSeptemberOctober >>

Juneau weather in September (Alaska, United States of America)

Will it be warm or cold in Juneau this September? Our guide gives you the essential weather details for this month.

Temperatures

In September, Juneau typically experiences low temperatures and heavy rainfall. Anticipate daytime temperatures around 11°C, while night temperatures can drop to 5°C.

Precipitation

Juneau in September falls under the rainy season with heavy rainfall, averaging around 368 mm for the month. Prepare for intense rain this month, as it marks the peak rainfall period. Having a poncho will keep you dry through the downpours. Expect around 19 days of rain based on historical data.

Average sunshine

The area enjoys a balanced 112 hours of sunlight, ensuring it's neither too overcast nor too sunny.

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 TemperatureMin Temperature 5°C  
Max TemperatureMax Temperature 11°C  
Chance of RainChance of Rain 62%  
PrecipitationPrecipitation 368 mm  
Rainy daysRainy days 19 days  
HumidityHumidity 87%  
WindspeedWindspeed 14 km/h  
SunshineSunshine 112 hours  
Percentage SunshinePercentage 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 and which places have the best travel conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

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.

Swimming
5/10
Cycling
5/10
Walking
5/10
Camping
3/10
Outdoor sports
5/10

Interested in more climate information?

This site 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 travel conditions. Find out where to go with our weather planner.