Iqaluit Weather in September
September in Iqaluit sees daytime temperatures around 5°C (41°F) and lows of 0°C (32°F) at night. With around 82 mm (3.2 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Iqaluit in September
You can expect rain on around 14 days based on historical patterns, with 82 mm (3.2 in) average for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Iqaluit in September
Temperatures in Iqaluit in September top out at 5°C (41°F) and drop to 0°C (32°F) overnight. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. With lows around 0°C (32°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Iqaluit in September
This month sees fewer sunny days, with about 90 hours of sunshine, perfect for those who enjoy cooler temperatures.
Wind Speed in Iqaluit in September
September sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.September in Iqaluit can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Iqaluit Temperature in September
Iqaluit Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Iqaluit - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Iqaluit typically drop from around 8°C (46°F) at the start of September to approximately 3°C (37°F) by the end. Nights are cold, with lows typically ranging from -2°C (28°F) to 3°C (37°F).
Average temperatures in September
Historical weather records for Iqaluit in September
Browse day-by-day weather records for Iqaluit spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Iqaluit historical weather extremes in September
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Iqaluit.
- On September 6, 2010, temperatures climbed to 18°C (64°F), marking the warmest September day on record.
- The coldest September day was on September 28, 1982, with a maximum of -5°C (23°F).
- The coldest night in September in Iqaluit was on September 30, 1997, with a minimum of -10°C (14°F).
Best Places in Canada in September
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in September →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Iqaluit in September
Dress warmly and in layers for your trip to Iqaluit in September. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.
What To Do in Iqaluit in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming4/10 -
Cycling3/10 -
Walking3/10 -
Camping4/10 -
Outdoor sports3/10
Iqaluit 3-Day Forecast
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Iqaluit climate overview or explore weather in Canada.
Popular in September
Where to go in September - average daytime high across popular destinations.
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