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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Iqaluit's climate page.
Iqaluit Temperature in September
Min Temperature
0°C (32°F)
Max Temperature
5°C (41°F)
Chance of Rain
48%
Precipitation
82 mm (3.2 in)
Rainy days
14 days
Humidity
78% *
Windspeed
4 m/s (8 knots) *
Sunshine
90 hours *
Percentage Sunshine
22% *
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 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
pleasant
tolerable
unpleasant
poor
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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Iqaluit's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Iqaluit climate overview or explore weather in Canada.
