Weather in Cape Town in September
In an average September, Cape Town sees a daily high around 19°C and a low around 8°C, based on 1980–2026 of local climate records.
| Average high | 19°C |
|---|---|
| Typical high range | 14°C to 25°C |
| Average low | 8°C |
| Typical low range | 5°C to 12°C |
| Average daily precipitation | 3 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
35°C
2019-09-26
Lowest
10°C
2013-09-20
Low
Highest
16°C
2026-09-22
Lowest
1°C
2018-09-20
Feels-like
Highest
49°C
2005-09-13
Lowest
-3°C
2018-09-20
Humidity
Highest
16.1 g/m³
2005-09-13
Lowest
5.7 g/m³
1988-09-11
Wind
Highest
43 km/h
2022-09-04
Lowest
6 km/h
1984-09-29
Gust
Highest
100 km/h
1981-09-15
Lowest
16 km/h
1980-09-30
Precip
Wettest
169 mm
2008
Driest
13 mm
1997
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