Climate almanac
Aylmer
Ontario, Canada · 42.77°, -80.98°
What is the weather like in Aylmer in September?
In September, Aylmer is typically 71°F (22°C) during the day and 59°F (15°C) at night. The month brings about 2.5 in (64 mm) of precipitation in total.
- Average high71°F (22°C)
- Average low59°F (15°C)
- Precipitation2.5 in (64 mm)
- Clear or mostly clear days12
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)