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Weather in Juneau in September 2019
- 12°C max day temperature
12 - 4 hours of sunshine per day
4 - 19 days with some rainfall
19 - 4°C min night temperature
4 - 13 hours of daylight per day
13 - No heat & humidity
0 - 210 mm of monthly rainfall
210 - 3 (Moderate) UV index
3 - 10°C sea temperature
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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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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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