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Sept-Îles (QC) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Sept-Îles.
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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
Conditions in Sept-Îles are generally most comfortable in July and August. They are typically least comfortable in January, February, March, April, October, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
very cold
Feb
very cold
Mar
very cold
Apr
cold
May
mixed
Jun
good
Jul
very good
Aug
very good
Sep
mixed
Oct
wet
Nov
cold
Dec
very cold
- 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 in September
Where to go in September - average daytime high across popular destinations.
Toronto
22°C (72°F) Niagara Falls23°C (73°F) Montréal
22°C (72°F) Ottawa22°C (72°F) Quebec City
20°C (68°F) Vancouver19°C (66°F) Calgary19°C (66°F) Whistler15°C (59°F) Bucket list
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