Climate almanac
Heidelberg
Western Cape, South Africa · -34.09°, 20.96°
What is the weather like in Heidelberg in September?
In September, Heidelberg is typically 70°F (21°C) during the day and 48°F (9°C) at night. The month brings about 1.4 in (37 mm) of precipitation in total.
- Average high70°F (21°C)
- Average low48°F (9°C)
- Precipitation1.4 in (37 mm)
- Clear or mostly clear days13
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)