Average annual temperature is 4.0 °C
Absolute maximum temperature: 25.9 °C
Absolute minimum temperature: -26.6 °C
Number of sunny days: 160 days
Number of rainy days: 143 days
Number of snow days: 62 days
Look at detailed online map of Sept-Îles
* Weather data for Sept-Îles Canada is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 3.1 | 4.3 | 9.2 | 10.7 | 24.5 | 25.9 | 25.3 | 21.7 | 23.1 | 19.3 | 7.2 | 9.5 |
| Average daytime temperature (°C) | -5.9 | -8.8 | 0.4 | 4.9 | 12.6 | 17.9 | 21.5 | 18.9 | 18.5 | 11.9 | 1.2 | -1.8 |
| Average temperature (°C) | -10.2 | -14.1 | -2.6 | 1.2 | 8.0 | 14.4 | 18.3 | 15.9 | 14.8 | 9.2 | -2.3 | -5.6 |
| Average night temperature (°C) | -13.9 | -18.5 | -5.5 | -2.2 | 3.9 | 11.1 | 15.7 | 13.4 | 11.5 | 6.8 | -5.8 | -9.5 |
| Absolute minimum temperature (°C) | -22.1 | -26.6 | -15.1 | -10.9 | -1.6 | 3.7 | 14.0 | 9.4 | 6.8 | -0.3 | -14.3 | -17.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.6 | 10.1 | 11.9 | 13.8 | 15.5 | 16.3 | 15.9 | 14.5 | 12.6 | 10.7 | 9.0 | 8.1 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 4.6 | 6.7 | 7.0 | 9.4 | 9.8 | 8.7 | 10.0 | 8.0 | 8.0 | 5.1 | 5.1 | 4.8 |
| Precipitation (mm) | 70 | 30 | 56 | 66 | 52 | 103 | 178 | 218 | 62 | 95 | 92 | 74 |
| Sunny days | 14 | 12 | 12 | 16 | 15 | 15 | 9 | 6 | 17 | 14 | 12 | 18 |
| Rainy days | 3 | 2 | 4 | 10 | 15 | 15 | 22 | 25 | 13 | 16 | 11 | 7 |
| Snow days | 14 | 14 | 15 | 4 | 1 | 0 | 0 | 0 | 0 | 1 | 7 | 6 |
The best time to visit Sept-Îles during the most sunny months:
Months with the longest average daylight duration in Sept-Îles:
The largest precipitation sum in Sept-Îles is at