Sept-Îles weather by month & the best time to visit
Canada · seaside town · continental climate
The best time to visit Sept-Îles is August — its sunniest month (Sunshine Score 57/100), with July close behind. Sept-Îles averages about 1,867 hours of sunshine a year. Daytime highs around 17°C / 63°F and roughly 76 mm of rain in August.
When is the best time to visit Sept-Îles?
For sunshine, the best time to visit Sept-Îles is August, then July. The dullest month is January (0/100, 64 mm of rain). The full month-by-month picture is in the table below.
How sunny is Sept-Îles?
Sept-Îles gets a moderate 1,867 hours of sunshine a year. 57 Sunshine Score points separate August (57) from January (0), so the month you pick matters. It ranks #186 of 242 destinations in Canada for annual sunshine, below the national median of 2,024 hours. The year's 969 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 0 | -7° / 19°F | -13° / 9°F | 64 mm | 0 | 0° / 32°F |
| February | 0 | -7° / 19°F | -14° / 7°F | 57 mm | 1 | -1° / 30°F |
| March | 0 | -3° / 27°F | -9° / 16°F | 60 mm | 2 | -1° / 30°F |
| April | 0 | 2° / 36°F | -2° / 28°F | 77 mm | 3 | 1° / 34°F |
| May | 0 | 8° / 46°F | 4° / 39°F | 82 mm | 4 | 5° / 41°F |
| June | 31 | 13° / 55°F | 9° / 48°F | 86 mm | 5 | 8° / 46°F |
| July | 56 | 17° / 63°F | 14° / 57°F | 81 mm | 5 | 9° / 48°F |
| August | 57 | 17° / 63°F | 14° / 57°F | 76 mm | 4 | 10° / 50°F |
| September | 30 | 13° / 55°F | 9° / 48°F | 95 mm | 3 | 9° / 48°F |
| October | 0 | 7° / 45°F | 4° / 39°F | 104 mm | 2 | 9° / 48°F |
| November | 0 | 2° / 36°F | -1° / 30°F | 98 mm | 1 | 3° / 37°F |
| December | 0 | -4° / 25°F | -8° / 18°F | 89 mm | 0 | 2° / 36°F |
Sea temperature in Sept-Îles by month
The sea off Sept-Îles is warmest in August at around 10°C / 50°F, and coolest in February at -1°C / 30°F. It never reaches comfortable swimming temperatures (21°C+). Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
Head-to-head
How Sept-Îles compares month by month: Sept-Îles vs Moncton · Sept-Îles vs Fredericton · Sept-Îles vs Charlottetown · Sept-Îles vs Goose Bay · all comparisons
Sept-Îles: questions and answers
What kind of destination is Sept-Îles?
Sept-Îles is a seaside town in Canada with a continental climate — the sea reaches 10°C at its warmest.
How many hours of sunshine does Sept-Îles get a year?
Sept-Îles gets about 1,867 hours of sunshine a year, at its best around August.
When is the best time to visit Sept-Îles?
The sunniest time to visit Sept-Îles is August, when the Sunshine Score peaks at 57/100 (with July close behind). Expect daytime highs around 17°C / 63°F.
What is the least sunny month in Sept-Îles?
January is the least sunny month in Sept-Îles, scoring 0/100 with about 64 mm of rain.
What is the sea temperature in Sept-Îles?
The sea in Sept-Îles ranges from about -1°C (February) to 10°C (August). Month-by-month sea temperatures are on this page.
How strong is the sun in Sept-Îles?
The typical midday UV index in Sept-Îles peaks around 5 (moderate) in June, easing to about 0 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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