Weather in Longyearbyen in September 2019

  • 1°C maximum daytime temperature in September in Longyearbyen1
    1°C max day temperature
  • 3 hours of sunshine per day (19% of daylight hours) in September in Longyearbyen3
    3 hours of sunshine per day
  • 12 days with some rainfall in September in Longyearbyen12
    12 days with some rainfall
  • -3°C minimum night-time temperature in September in Longyearbyen-3
    -3°C min night temperature
  • 14 hours of daylight per day in September in Longyearbyen14
    14 hours of daylight per day
  • No heat & humidity in September in Longyearbyen0
    No heat & humidity
  • 25 mm monthly rainfall in September in Longyearbyen25
    25 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in September in Longyearbyen1
    1 (Low) UV index
  • -1°C sea temperature in September in Longyearbyen-1
    -1°C sea temperature

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

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Expect 1°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Longyearbyen in September. Check more long-term weather averages for Longyearbyen in September before you book your next holiday to Svalbard in 2019/2020.

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More about Longyearbyen

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

The September weather guide for Longyearbyen, Svalbard 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 Longyearbyen weather in September

The average maximum daytime temperature in Longyearbyen in September is a cold 1°C (34°F). The average night-time temperature is usually a very cold -3°C (27°F). There are usually 3 hours of bright sunshine each day, which represents 19% of the 14 hours of daylight.

Expect 25mm (1.0 inches) of rainfall across the whole of September with 12 days with some rain falling. Maximum UV levels will be low (1 UV index) at midday when the skies are clear.

The average sea temperature in and around Longyearbyen in September is -1°C (30°F).

Longyearbyen sunrise & sunset times for September 2019

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st September 2019 03:31 22:15
Monday, 2nd September 2019 03:42 22:04
Tuesday, 3rd September 2019 03:53 21:54
Wednesday, 4th September 2019 04:02 21:43
Thursday, 5th September 2019 04:12 21:34
Friday, 6th September 2019 04:21 21:24
Saturday, 7th September 2019 04:30 21:15
Sunday, 8th September 2019 04:39 21:06
Monday, 9th September 2019 04:47 20:57
Tuesday, 10th September 2019 04:55 20:48
Wednesday, 11th September 2019 05:03 20:40
Thursday, 12th September 2019 05:11 20:31
Friday, 13th September 2019 05:19 20:23
Saturday, 14th September 2019 05:27 20:15
Sunday, 15th September 2019 05:34 20:06
Monday, 16th September 2019 05:42 19:58
Tuesday, 17th September 2019 05:49 19:50
Wednesday, 18th September 2019 05:57 19:42
Thursday, 19th September 2019 06:04 19:35
Friday, 20th September 2019 06:11 19:27
Saturday, 21st September 2019 06:18 19:19
Sunday, 22nd September 2019 06:25 19:11
Monday, 23rd September 2019 06:33 19:03
Tuesday, 24th September 2019 06:40 18:55
Wednesday, 25th September 2019 06:47 18:48
Thursday, 26th September 2019 06:54 18:40
Friday, 27th September 2019 07:01 18:32
Saturday, 28th September 2019 07:08 18:24
Sunday, 29th September 2019 07:16 18:16
Monday, 30th September 2019 07:23 18:09
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