Weather in Johannesburg in September
In an average September, Johannesburg sees a daily high around 24°C and a low around 10°C, based on 1980–2026 of local climate records.
| Average high | 24°C |
|---|---|
| Typical high range | 18°C to 29°C |
| Average low | 10°C |
| Typical low range | 6°C to 13°C |
| Average daily precipitation | 0 mm |
September records
The most extreme September on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
32°C
2018-09-19
Lowest
7°C
2024-09-21
Low
Highest
18°C
2005-09-24
Lowest
-1°C
2018-09-10
Feels-like
Highest
32°C
2018-09-28
Lowest
-6°C
1981-09-10
Humidity
Highest
12.3 g/m³
1998-09-29
Lowest
1.9 g/m³
2018-09-15
Wind
Highest
42 km/h
2004-09-25
Lowest
7 km/h
1988-09-06
Gust
Highest
88 km/h
2012-09-28
Lowest
18 km/h
1988-09-08
Precip
Wettest
184 mm
1987
Driest
1 mm
2008
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