Places › Juneau, AK › September
Juneau in September
An off month — score 51 of 100
Typical September days in Juneau reach about 56°F with nights near 44°F; rain is frequent — about 22 days see some rain, usually in showers.
Avg high
56°F
1991–2020 normal
Avg low
44°F
1991–2020 normal
Rain total
9.15 in
in a typical September
Rain days
22
days with at least 0.01 in
Daylight
12h 43m
at mid-September, computed
What to pack for Juneau in September
- A warm jacket for evenings and early starts.
- A waterproof shell and shoes you can soak — rain falls on about 22 days in a typical September, so plan an indoor anchor each day.
Every packing line is triggered by a number on this page — the rules are on How we pick.
September vs. the alternatives
The whole year in Juneau
JAN
33°F
Rain 20 days
Daylight 7h 04mFEB
36°F
Rain 17 days
Daylight 9h 13mMAR
39°F
Rain 18 days
Daylight 11h 35mAPR
49°F
Rain 17 days
Daylight 14h 17mMAY
58°F
Rain 16 days
Daylight 16h 42mJUN
62°F
★ Best
Rain 17 days
Daylight 18h 13mJUL
64°F
Rain 18 days
Daylight 17h 36mAUG
63°F
Rain 19 days
Daylight 15h 23mSEP
56°F
Rain 22 days
Daylight 12h 43mOCT
47°F
Rain 23 days
Daylight 10h 07mNOV
38°F
Rain 21 days
Daylight 7h 44mDEC
35°F
Rain 21 days
Daylight 6h 25m
33°F
Rain 20 days
Daylight 7h 04mFEB
36°F
Rain 17 days
Daylight 9h 13mMAR
39°F
Rain 18 days
Daylight 11h 35mAPR
49°F
Rain 17 days
Daylight 14h 17mMAY
58°F
Rain 16 days
Daylight 16h 42mJUN
62°F
★ Best
Rain 17 days
Daylight 18h 13mJUL
64°F
Rain 18 days
Daylight 17h 36mAUG
63°F
Rain 19 days
Daylight 15h 23mSEP
56°F
Rain 22 days
Daylight 12h 43mOCT
47°F
Rain 23 days
Daylight 10h 07mNOV
38°F
Rain 21 days
Daylight 7h 44mDEC
35°F
Rain 21 days
Daylight 6h 25m
Averages are the 1991–2020 climate normals (NOAA National Centers for Environmental Information) for the station named on each page. Rain days = days with at least 0.01 in of precipitation. Daylight is computed for the middle of the month.