Svalbard weather in September 2021

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  • 1°C maximum daytime temperature in September in Svalbard (Longyearbyen)1
    1°C max day temperature
  • 3 hours of sunshine per day
  • 12 days with some rainfall in September in Svalbard (Longyearbyen)12
    12 days with some rainfall
  • -3°C minimum night-time temperature in September in Svalbard (Longyearbyen)-3
    -3°C min night temperature
  • 14 hours of daylight per day in September in Svalbard (Longyearbyen)14
    14 hours of daylight per day
  • No heat & humidity in September in Svalbard (Longyearbyen)0
    No heat & humidity
  • 25 mm monthly rainfall in September in Svalbard (Longyearbyen)25
    25 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in September in Svalbard (Longyearbyen)1
    1 (Low) UV index
  • -1°C sea temperature in September in Svalbard (Longyearbyen)-1
    -1°C sea temperature

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The September weather guide for 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.

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How cold is it in Svalbard in September?

Daytime temperatures usually reach 1°C in Longyearbyen, Svalbard in September, falling to -3°C at night.

How sunny is it in Svalbard in September?

There are normally 3 hours of bright sunshine each day in Longyearbyen, Svalbard in September - that's 19% of daylight hours.

Is the sea cold around Svalbard in September?

The average sea temperature around Longyearbyen, Svalbard in September is -1°C.

Does it rain in Svalbard in September?

There are usually 12 days with some rain in Longyearbyen, Svalbard in September and the average monthly rainfall is 25mm. Rain may fall as snow in this month.

Metric (°C / mm)  |  Imperial (°F / inches)

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Svalbard sunrise & sunset times for September 2021

Browse the sunrise & sunset times for Svalbard in September 2021. Select a month to view Svalbard sunrise & sunset times for the next twelve months. The Svalbard sunrise & sunset times shown below are for Longyearbyen.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st September 2021 03:37 22:09
Wednesday, 15th September 2021 05:38 20:02
Thursday, 30th September 2021 07:27 18:05
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