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Svalbard weather in September 2023
- 11°C max day temperature
- 1212 days with some rainfall
- -3-3°C min night temperature
- 1414 hours of daylight per day
- 0No heat & humidity
- 2525 mm of monthly rainfall
- 11 (Low) UV index
- -1-1°C sea temperature
Recommended for Svalbard
The September weather guide for Svalbard, represented by Longyearbyen, (Longyearbyen) 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.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Metric (°C / mm) | Imperial (°F / inches)
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.
Svalbard September sunrise & sunset times
Browse the sunrise and sunset times for Svalbard in September 2023. Select a month to view Svalbard sunrise and sunset times for the next 12 months. The Svalbard sunrise and sunset times shown below are for Longyearbyen.
|Date||Sunrise times||Sunset times|
|Friday, 1st September 2023||03:32||22:15|
|Friday, 15th September 2023||05:34||20:06|
|Saturday, 30th September 2023||07:23||18:08|
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