Climate almanac
Deux-Montagnes
Quebec, Canada · 45.53°, -73.90°
What is the weather like in Deux-Montagnes in September?
In September, Deux-Montagnes is typically 70°F (21°C) during the day and 55°F (13°C) at night. The month brings about 2.7 in (69 mm) of precipitation in total.
- Average high70°F (21°C)
- Average low55°F (13°C)
- Precipitation2.7 in (69 mm)
- Clear or mostly clear days11
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)