❄️ Not really. Average temperature: 19°C
It's cool at 19°C — not ideal for beach weather, but pleasant for exploring and outdoor activities. Cape Town in September has an average air temperature of 19°C with sea temperatures around 14°C. You can expect 8 hours of sunshine per day and 40mm of rainfall, which means light rainfall — occasional brief showers.
At 14°C the sea is quite cold. A wetsuit is recommended if you plan to swim. With 8 hours of daily sunshine, there's plenty of time to enjoy outdoor activities. Bring warm layers, a waterproof jacket, and closed-toe shoes. Evenings can feel chilly.
If you're looking for heat in September, you might want to consider warmer alternatives. The average flight time from the UK is comfortable and there are usually good deals available for this time of year.
Here's how Cape Town stacks up against similar destinations in September:
| Destination | Air °C | Sea °C | Rain | Sun |
|---|---|---|---|---|
| Cape Town | 19°C | 14°C | 40mm | 8h |
| Azores | 22°C | 23°C | 55mm | 7h |
| Côte d'Azur | 23°C | 23°C | 55mm | 8h |
| Galapagos | 23°C | 21°C | 5mm | 5h |
| Réunion | 23°C | 24°C | 25mm | 8h |
| Amalfi Coast | 24°C | 25°C | 50mm | 8h |
See how Cape Town's temperature changes throughout the year:
Looking for somewhere warm in September? These destinations are all 25°C+:
No, Cape Town in September has average temperatures of 19°C. It is not particularly warm this time of year. Sea temperatures are 14°C.
The sea at 14°C is cold — a wetsuit is recommended.
Bring warm layers, a waterproof jacket, and closed-toe shoes. Evenings can feel chilly.
There are warmer months to visit Cape Town. Consider checking October or other warm destinations for this time of year.
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