Juneau weather in September 2024

Expect 54°F 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 2024/2025.

54
54°F max day temperature
4
4 hours of sunshine per day
19
19 days with some rainfall
39
39°F min night temperature
13
13 hours of daylight per day
0
No heat & humidity
8.3
8.3 inches of monthly rainfall
3
3 (Moderate) UV index
50
50°F sea temperature

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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.

Metric (°C) | Imperial (°F)

More about the USA

How warm is it in Juneau in September?

Daytime temperatures usually reach 54°F in Juneau in September, falling to 39°F 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.

How warm is the sea around Juneau in September?

The average sea temperature around Juneau in September is 50°F.

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 8.3 inches.

Juneau September sunrise & sunset times

Browse the sunrise and sunset times for Juneau in September 2024. Select a month to view Juneau sunrise and sunset times for the next 12 months.

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

Date	Sunrise times	Sunset times
Sunday, 1st September 2024	05:59	19:55
Sunday, 15th September 2024	06:29	19:15
Monday, 30th September 2024	07:02	18:32

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Alaska - quick facts
Flight time^✝	12 hours
Time difference	UK -9 hours
Language(s)	English
Currency	US Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Why visit?	Nature
Tourist info	Alaska Travel Industry Association