Climate almanac
Koster
North West, South Africa · -25.86°, 26.90°
What is the weather like in Koster in September?
In September, Koster is typically 82°F (28°C) during the day and 54°F (12°C) at night. The month brings about 0.3 in (6 mm) of precipitation in total.
- Average high82°F (28°C)
- Average low54°F (12°C)
- Precipitation0.3 in (6 mm)
- Clear or mostly clear days25
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)