Climate almanac
Dee Why
New South Wales, Australia · -33.75°, 151.29°
What is the weather like in Dee Why in September?
In September, Dee Why is typically 67°F (19°C) during the day and 57°F (14°C) at night. The month brings about 2.2 in (57 mm) of precipitation in total.
- Average high67°F (19°C)
- Average low57°F (14°C)
- Precipitation2.2 in (57 mm)
- Clear or mostly clear days18
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)