Weather in Juneau in September 2019

  • 12°C maximum daytime temperature in September in Juneau12
    12°C max day temperature
  • 4 hours of sunshine per day (28% of daylight hours) in September in Juneau4
    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

Going to Juneau? Find the best month to visit Juneau based on the weather.

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Expect 12°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Juneau in September. Check more long-term weather averages for Juneau in September before you book your next holiday to Alaska in 2019/2020.

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More about Juneau

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

The September weather guide for Juneau, Alaska 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.

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

Guide to Juneau weather in September

The average maximum daytime temperature in Juneau in September is a cool 12°C (54°F). The average night-time temperature is usually a cold 4°C (39°F). There are usually 4 hours of bright sunshine each day, which represents 28% of the 13 hours of daylight.

Expect 210mm (8.3 inches) of rainfall across the whole of September with 19 days with some rain falling. Maximum UV levels will be moderate (3 UV index) at midday when the skies are clear.

The average sea temperature in and around Juneau in September is 10°C (50°F).

Juneau sunrise & sunset times for September 2019

Browse the sunrise & sunset times for Juneau in September 2019. Select a month to view Juneau sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st September 2019 05:57 19:57
Monday, 2nd September 2019 05:59 19:54
Tuesday, 3rd September 2019 06:01 19:51
Wednesday, 4th September 2019 06:03 19:49
Thursday, 5th September 2019 06:05 19:46
Friday, 6th September 2019 06:08 19:43
Saturday, 7th September 2019 06:10 19:40
Sunday, 8th September 2019 06:12 19:37
Monday, 9th September 2019 06:14 19:34
Tuesday, 10th September 2019 06:16 19:32
Wednesday, 11th September 2019 06:18 19:29
Thursday, 12th September 2019 06:21 19:26
Friday, 13th September 2019 06:23 19:23
Saturday, 14th September 2019 06:25 19:20
Sunday, 15th September 2019 06:27 19:17
Monday, 16th September 2019 06:29 19:14
Tuesday, 17th September 2019 06:31 19:11
Wednesday, 18th September 2019 06:34 19:09
Thursday, 19th September 2019 06:36 19:06
Friday, 20th September 2019 06:38 19:03
Saturday, 21st September 2019 06:40 19:00
Sunday, 22nd September 2019 06:42 18:57
Monday, 23rd September 2019 06:45 18:54
Tuesday, 24th September 2019 06:47 18:51
Wednesday, 25th September 2019 06:49 18:49
Thursday, 26th September 2019 06:51 18:46
Friday, 27th September 2019 06:53 18:43
Saturday, 28th September 2019 06:55 18:40
Sunday, 29th September 2019 06:58 18:37
Monday, 30th September 2019 07:00 18:34
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