Average annual temperature is 4.0 °C
Absolute maximum temperature: 25.9 °C
Absolute minimum temperature: -26.9 °C
Number of sunny days: 165 days
Number of rainy days: 138 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) | 2.5 | 3.2 | 8.0 | 12.4 | 23.4 | 25.9 | 25.6 | 21.5 | 22.1 | 19.2 | 7.9 | 9.8 |
| Average daytime temperature (°C) | -5.9 | -8.6 | 0.2 | 4.5 | 12.0 | 16.9 | 20.6 | 18.6 | 18.0 | 11.8 | 1.5 | -1.4 |
| Average temperature (°C) | -10.0 | -13.6 | -2.6 | 1.0 | 7.7 | 13.7 | 17.5 | 15.7 | 14.5 | 9.2 | -1.9 | -5.1 |
| Average night temperature (°C) | -13.6 | -17.9 | -5.3 | -2.0 | 3.8 | 11.0 | 14.9 | 13.1 | 11.4 | 6.8 | -5.3 | -9.0 |
| Absolute minimum temperature (°C) | -22.2 | -26.9 | -15.3 | -11.0 | -0.9 | 3.9 | 13.0 | 9.4 | 6.5 | -0.1 | -19.0 | -16.5 |
| 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 | 15.4 | 16.3 | 15.9 | 14.4 | 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 | 7.0 | 6.9 | 9.4 | 10.1 | 8.6 | 9.5 | 8.2 | 8.2 | 4.9 | 5.1 | 5.0 |
| Precipitation (mm) | 63 | 29 | 58 | 80 | 60 | 101 | 178 | 167 | 65 | 102 | 84 | 70 |
| Sunny days | 12 | 14 | 13 | 18 | 16 | 16 | 11 | 6 | 16 | 13 | 11 | 19 |
| Rainy days | 4 | 0 | 4 | 8 | 15 | 14 | 20 | 25 | 14 | 17 | 11 | 6 |
| Snow days | 15 | 14 | 14 | 4 | 0 | 0 | 0 | 0 | 0 | 1 | 8 | 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