Nunavut weather in September 2025

Expect 4°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Nunavut in September. Check more long-term weather averages for Nunavut in September before you book your next holiday to Nunavut in 2025/2026.

  • 4°C maximum daytime temperature in September in Nunavut (Iqaluit)4
    4°C max day temperature
  • 3 hours of sunshine per day
  • 14 days with some rainfall in September in Nunavut (Iqaluit)14
    14 days with some rainfall
  • -1°C minimum night-time temperature in September in Nunavut (Iqaluit)-1
    -1°C min night temperature
  • 13 hours of daylight per day in September in Nunavut (Iqaluit)13
    13 hours of daylight per day
  • No heat & humidity in September in Nunavut (Iqaluit)0
    No heat & humidity
  • 49 mm monthly rainfall in September in Nunavut (Iqaluit)49
    49 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in September in Nunavut (Iqaluit)2
    2 (Low) UV index
  • -2°C sea temperature in September in Nunavut (Iqaluit)-2
    -2°C sea temperature

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The September weather guide for Nunavut (Iqaluit) 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.

Top Nunavut destinations

Below are average maximum temperatures at popular countries, regions and places in Nunavut in September. Select a holiday destination to see more weather parameters.

All Nunavut destinations

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

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How cold is it in Nunavut in September?

Daytime temperatures usually reach 4°C in Iqaluit, Nunavut in September, falling to -1°C at night.

How sunny is it in Nunavut in September?

There are normally 3 hours of bright sunshine each day in Iqaluit, Nunavut in September - that's 22% of daylight hours.

Is the sea cold around Nunavut in September?

The average sea temperature around Iqaluit, Nunavut in September is -2°C.

Does it rain in Nunavut in September?

There are usually 14 days with some rain in Iqaluit, Nunavut in September and the average monthly rainfall is 49mm. Rain may fall as snow in this month.

Nunavut September sunrise & sunset times

Browse the sunrise and sunset times for Nunavut in September 2025. Select a month to view Nunavut sunrise and sunset times for the next 12 months. The Nunavut sunrise and sunset times shown below are for Iqaluit.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 04:19 18:47
Monday, 15th September 2025 04:59 17:58
Tuesday, 30th September 2025 05:41 17:06

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