Climate almanac
Halton Hills
Ontario, Canada · 43.64°, -79.93°
What is the weather like in Halton Hills in September?
In September, Halton Hills is typically 71°F (22°C) during the day and 53°F (12°C) at night. The month brings about 2.3 in (59 mm) of precipitation in total.
- Average high71°F (22°C)
- Average low53°F (12°C)
- Precipitation2.3 in (59 mm)
- Clear or mostly clear days13
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)