The temperatures in Capetown in September are quite cold with temperatures between 9°C and 24°C, warm clothes are a must.
The wather in Capetown in September can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.
Our weather forecast can give you a great sense of what weather to expect in Capetown in September 2025.
If you’re planning to visit Capetown in the near future, we highly recommend that you review the 14 day weather forecast for Capetown before you arrive.
Temperatures
24° / 9°
Rainy Days
2
Snowy Days
0
Dry Days
28
Rainfall
33
mm
Sun Hours
11.5
Hrs
