Cape Town Weather in September
18.6°C high · 10°C low · 52 mm rain · 7.5h sun
Sep is a warm month in Cape Town — not peak season, but a good time to avoid crowds.
September at a glance
| Metric | Value |
|---|---|
| Average high | 18.6°C |
| Average low | 10°C |
| Rainfall | 52 mm |
| Sunshine | 7.5 hours/day |
| Daylight | 11.8 hours |
What to pack in September
Pack a jacket and layers for Cape Town in September.
Cape Town weather by month
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Frequently asked questions
What is the weather in Cape Town in September?
Highs of 18.6°C and lows of 10°C, with about 52 mm of rain and 7.5 hours of sunshine per day.
Is September a good time to visit Cape Town?
Sep is a warm month in Cape Town — not peak season, but a good time to avoid crowds.
What to do in Cape Town · Best time to visit Cape Town
Climate data: Open-Meteo Historical (ERA5), 1991–2020. CC BY 4.0.