Climate almanac
Niagara-on-the-Lake
Ontario, Canada · 43.26°, -79.09°
What is the weather like in Niagara-on-the-Lake in September?
In September, Niagara-on-the-Lake is typically 71°F (22°C) during the day and 62°F (17°C) at night. The month brings about 2.7 in (68 mm) of precipitation in total.
- Average high71°F (22°C)
- Average low62°F (17°C)
- Precipitation2.7 in (68 mm)
- Clear or mostly clear days12
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)