Juneau weather in September 2022

  • 12°C maximum daytime temperature in September in Juneau12
    12°C max day temperature
  • 4 hours of sunshine per day
  • 19 days with some rainfall in September in Juneau19
    19 days with some rainfall
  • 4°C minimum night-time temperature in September in Juneau4
    4°C min night temperature
  • 13 hours of daylight per day in September in Juneau13
    13 hours of daylight per day
  • No heat & humidity in September in Juneau0
    No heat & humidity
  • 210 mm monthly rainfall in September in Juneau210
    210 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in Juneau3
    3 (Moderate) UV index
  • 10°C sea temperature in September in Juneau10
    10°C sea temperature
  • Compare car hire prices to find lowest rate
  • Free cancellation up to 48 hours before pick up
  • Book car hire for over 20,000 destinations worldwide

Recommended for Alaska

The September weather guide for Alaska (Juneau) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

  • Top deals & discounts
  • Juneau weather overview
  • Juneau climate averages by month
  • More destinations
  • Best time to go to Juneau
  • Juneau 5-day weather forecast

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

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about the USA

How warm is it in Juneau in September?

Daytime temperatures usually reach 12°C in Juneau in September, falling to 4°C at night.

How sunny is it in Juneau in September?

There are normally 4 hours of bright sunshine each day in Juneau in September - that's 28% of daylight hours.

Is the sea cold around Juneau in September?

The average sea temperature around Juneau in September is 10°C.

Does it rain in Juneau in September?

There are usually 19 days with some rain in Juneau in September and the average monthly rainfall is 210mm.

Juneau September sunrise & sunset times

Browse the sunrise and sunset times for Juneau in September 2022. Select a month to view Juneau sunrise and sunset times for the next 12 months.


Date Sunrise times Sunset times
Thursday, 1st September 2022 05:57 19:56
Thursday, 15th September 2022 06:28 19:16
Friday, 30th September 2022 07:00 18:33

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.