Climate almanac
Clanwilliam
Western Cape, South Africa · -32.18°, 18.89°
What is the weather like in Clanwilliam in September?
In September, Clanwilliam is typically 69°F (20°C) during the day and 45°F (7°C) at night. The month brings about 1.0 in (25 mm) of precipitation in total.
- Average high69°F (20°C)
- Average low45°F (7°C)
- Precipitation1.0 in (25 mm)
- Clear or mostly clear days17
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)