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South Africa · Africa

Cape Town in September

Weather, crowds, prices and events for visiting Cape Town in September.

Fair
67
Quick answer

September is a mixed month in Cape Town. You get 19° / 9°, but manageable crowds at the big attractions. Worth it for the right traveller.

Weather
19°
High 19° · Low 9°
Crowds
Low
40/100
Prices
$
low season
Events
1
this month
Cape Town, South Africa

Weather

Average highs sit around 19°C with lows near 9°C. Rainfall is moderate; the odd shower is likely.

Crowds & demand

Crowd levels are Low for Cape Town — plenty of space at the main sights.

Prices & value

Prices run low season this month: some of the best deals of the year.

Events & what’s on

Look out for Whale Watching Season while you’re there.

  • Whale Watching Season — Southern right whales calve close to shore along False Bay.
The verdict

September is a mixed month in Cape Town. You get 19° / 9°, but manageable crowds at the big attractions. Worth it for the right traveller.

Better months for Cape Town: December · February · January

Figures are climate normals and modelled estimates — a planning guide, not a forecast. We separate fact, estimate and recommendation. Updated July 2026

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Frequently asked questions

What is the weather like in Cape Town in September?

Average highs sit around 19°C with lows near 9°C. Rainfall is moderate; the odd shower is likely.

Is Cape Town crowded in September?

Crowd levels are Low for Cape Town — plenty of space at the main sights.

Is September expensive in Cape Town?

Prices run low season this month: some of the best deals of the year. Save 59%.