Weather in Cape Town, Western Cape, South Africa in September
In an average September, Cape Town sees a daily high around 16°C and a low around 13°C, based on 1981–2026 of local climate records.
| Average high | 16°C |
|---|---|
| Typical high range | 15°C to 19°C |
| Average low | 13°C |
| Typical low range | 12°C to 15°C |
| Average daily precipitation | 3 mm |
September records
The most extreme September on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
25°C
1997-09-12
Lowest
12°C
2013-09-20
Low
Highest
18°C
1997-09-13
Lowest
10°C
1999-09-17
Feels-like
Highest
25°C
1997-09-12
Lowest
10°C
1999-09-17
Humidity
Highest
14.3 g/m³
2019-09-19
Lowest
6.7 g/m³
1988-09-11
Wind
Highest
64 km/h
1991-09-07
Lowest
10 km/h
2025-09-03
Precip
Wettest
149 mm
2023
Driest
8 mm
1993
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