Cape Town weather in September (Western Cape, South Africa)

What weather conditions can you expect in Cape Town this September? Here’s a detailed forecast of the month’s weather patterns.

Temperatures

Typically, September in Cape Town includes pleasant temperatures and moderate rainfall. Daytime temperatures hover around 18°C, while nights can cool down to about 11°C.

Precipitation

Cape Town in September usually receives moderate rainfall, averaging around 63 mm for the month. Climate data suggests that about 10 days will experience rainfall.

Average sunshine

Expect sunny days throughout the month, with an estimated 225 hours of sunshine. Making it a pleasant time to visit Cape Town.

In case you lean more towards enjoying temperate temperatures and rain-free days January, February, March, April, May, October, November and December typically offer the most optimal weather. In contrast, July tends to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Cape Town climate page with graphs.

 

Cape Town, monthly averages in September

Min Temperature 11°C  

Max Temperature 18°C  

Water Temperature 15°C  

Chance of Rain 34%  

Precipitation 63 mm  

Rainy days 10 days  

Humidity 77%  

Windspeed 18 km/h  

Sunshine 225 hours  

Percentage Sunshine  

Where to go in South Africa in September

Find out more about the weather in South Africa and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to Cape Town, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes. With a water temperature of around 15°C there is no need to bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

10/10

Walking

10/10

Camping

8/10

Outdoor sports

10/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Cape Town.

Our site offers climate and forecast data for every country in the world. Are you going to South Africa? On this website you can find historical weather averages for many cities in South Africa. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.