The weather in Nunavut in September is very cold with temperatures between 1°C and 5°C, warm clothes are a must.
You can expect rain for roughly half of the month of September in Nunavut. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Nunavut is going to experience quite a number of days of snow during September. It’s the perfect time to build snowmen, drink hot cocoa, and have a snowball fight. Just remember to wear a warm scarf and a pair of mittens!
Our weather forecast can give you a great sense of what weather to expect in Nunavut in September 2025.
If you’re planning to visit Nunavut in the near future, we highly recommend that you review the 14 day weather forecast for Nunavut before you arrive.