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Johannesburg — weather in September

24.8°C Daytime temperatures 15.5°C Night temperatures 27 Sunny days 11.6-12.3 Sun (hours) 0 Rainy days 8 mm Precipitation 0°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 34°C — 11 September 2017.
The maximum night temperature 24°C — 19 September 2018.
The minimum daily temperature 11.2°C — 18 September 2016.
The minimum night temperature 4°C — 1 September 2013.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 100.1 mm — December. Minimum precipitation 2.1 mm — June.
Wind speed, km / h
Maximum wind speed 13.9 km / h — November. Minimum wind speed 8.7 km / h — May.
Number of hours of sunshine
The maximum number of hours of sunshine per day 10.9 h. — September. The minimum number of hours of sunshine per day 9.1 h. — April.
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