Climate almanac
Louiseville
Quebec, Canada · 46.26°, -72.94°
What is the weather like in Louiseville in September?
In September, Louiseville is typically 69°F (21°C) during the day and 53°F (12°C) at night. The month brings about 2.7 in (69 mm) of precipitation in total.
- Average high69°F (21°C)
- Average low53°F (12°C)
- Precipitation2.7 in (69 mm)
- Clear or mostly clear days12
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)