Climate almanac
Johannesburg
Gauteng, South Africa · -26.20°, 28.04°
What is the weather like in Johannesburg in September?
In September, Johannesburg is typically 78°F (25°C) during the day and 50°F (10°C) at night. The month brings about 0.6 in (14 mm) of precipitation in total.
- Average high78°F (25°C)
- Average low50°F (10°C)
- Precipitation0.6 in (14 mm)
- Clear or mostly clear days23
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)