Weather in Juneau in September 2018

  • 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.

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

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 2018.

IHG: Latest Alaska hotel deals

  • Explore the latest offers on IHG hotels in Alaska
  • Book direcly with IHG online & get the lowest rate
  • Join the IHG Rewards Club for discounts, benefits & more
Go to IHG deal >>

View all IHG offers

More about Juneau

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

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 2018

Browse the sunrise & sunset times for Juneau in September 2018. Select a month to view Juneau sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st September 2018 05:57 19:56
Sunday, 2nd September 2018 06:00 19:54
Monday, 3rd September 2018 06:02 19:51
Tuesday, 4th September 2018 06:04 19:48
Wednesday, 5th September 2018 06:06 19:45
Thursday, 6th September 2018 06:08 19:42
Friday, 7th September 2018 06:10 19:39
Saturday, 8th September 2018 06:12 19:37
Sunday, 9th September 2018 06:15 19:34
Monday, 10th September 2018 06:17 19:31
Tuesday, 11th September 2018 06:19 19:28
Wednesday, 12th September 2018 06:21 19:25
Thursday, 13th September 2018 06:23 19:22
Friday, 14th September 2018 06:25 19:19
Saturday, 15th September 2018 06:28 19:16
Sunday, 16th September 2018 06:30 19:14
Monday, 17th September 2018 06:32 19:11
Tuesday, 18th September 2018 06:34 19:08
Wednesday, 19th September 2018 06:36 19:05
Thursday, 20th September 2018 06:39 19:02
Friday, 21st September 2018 06:41 18:59
Saturday, 22nd September 2018 06:43 18:56
Sunday, 23rd September 2018 06:45 18:54
Monday, 24th September 2018 06:47 18:51
Tuesday, 25th September 2018 06:49 18:48
Wednesday, 26th September 2018 06:52 18:45
Thursday, 27th September 2018 06:54 18:42
Friday, 28th September 2018 06:56 18:39
Saturday, 29th September 2018 06:58 18:36
Sunday, 30th September 2018 07:00 18:34

Alamo: 7 day USA car hire for the price of 5

  • Book car hire in the USA for 7 days & pay for just 5
  • Offer available to UK residents only
  • No hidden charges or credit card fees apply
Go to Alamo deal >>

View all Alamo offers

Back to top

More Alaska destinations

All destinations (A to Z)

Can't see your chosen destination? Use our A to Z search to find your required the holiday weather guide:

A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z  

Related posts

Popular travel offers

Top ^