Sept-Îles (QC) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Sept-Îles.
Climate overview of Sept-Îles
Sept-Îles, Quebec, Canada, sees big temperature differences between seasons, with July peaking at 20°C (68°F) and January dropping to -8°C (18°F).
The city has a wet climate, receiving around 1187 mm (47 in) of rain/snowfall per year. Despite the high annual total, it has pleasant summers and very cold winters. October is the wettest month.
Sept-Îles Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sept-Îles - and find the best time to visit.
Monthly Temperature in Sept-Îles
Visitors to Sept-Îles can expect significant temperature changes throughout the year. On average, daytime temperatures range from a pleasant 20°C (68°F) in July to a very cold -8°C (18°F) in January.
Nighttime temperatures range from 13°C (55°F) in July to -17°C (1°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Sept-Îles
Sept-Îles is known for its substantial rain/snowfall, with annual precipitation reaching 1187 mm (47 in). The amount of precipitation varies moderately throughout the year. The wettest month, October, sees around 128 mm (5 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, February, still receives a respectable 67 mm (2.6 in) of snowfall. For more details, please visit our Sept-Îles Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Sept-Îles
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July and August
- Warmest weather: July and August
- Seasonal pattern: Pleasant summers and very cold winters
- Coldest conditions: January, with freezing nights around -17°C (1°F).
Frequently asked questions about the climate in Sept-Îles
What is the best time to visit Sept-Îles?
July and August typically offer the most optimal weather in Sept-Îles. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Sept-Îles has pleasant summers and very cold winters.
What temperatures can I expect in Sept-Îles?
Daytime highs range from -8°C (18°F) in January to 20°C (68°F) in July. Nighttime lows range from -17°C (1°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Sept-Îles get?
Annual rainfall is around 1187 mm (47 in). October is the wettest month with 128 mm (5 in), while February is the driest with 67 mm (2.6 in).
Sept-Îles 3-Day Forecast
Sept-Îles on the map
Sept-Îles is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 5 most beautiful lakes in Canada
Explore Canada's stunning lakes: Lake Louise, Lake Superior, Maligne Lake, Emerald Lake, and Lake Okanagan, each offering unique beauty and activities.
Canoeing the south Nahannii
The South Nahanni in the northwest of Canada is one of the most impressive wilderness rivers in the world. Canoeing the south Nahanni is something you must add to your bucket list.
See Polar Bears in Churchill Canada
Thousands of bears gather at the small town of Churchill. In the evening the northern lights give a light show against the dark evening sky. An unforgettable experience.
Banff National Park
Snowy mountains, clear blue lakes and green forests make Banff National Park a wonderful bucket list destination. The pristine wilderness is a mecca for walkers.