Climate almanac
Chilliwack
British Columbia, Canada · 49.17°, -121.95°
What is the weather like in Chilliwack in September?
In September, Chilliwack is typically 66°F (19°C) during the day and 49°F (10°C) at night. The month brings about 5.6 in (143 mm) of precipitation in total.
- Average high66°F (19°C)
- Average low49°F (10°C)
- Precipitation5.6 in (143 mm)
- Clear or mostly clear days8
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)