Knysna weather in September (Western Cape, South Africa)

Looking to travel to Knysna in September? Check out this comprehensive weather guide.

In September, Knysna typically experiences pleasant temperatures and moderate rainfall. Daytime temperatures hover around 19°C, while nights can cool down to about 12°C.

Knysna in September usually receives moderate rainfall, averaging around 55 mm for the month. When we look at the climate data from the last 30 years, we can expect around 11 days of rain.

The city usually sees around 255 hours of sunlight, indicating many sunny days.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Knysna. January, February, March, April, May, October, November and December typically offer the most agreeable circumstances. On the other hand, June, July, August and September tend to be characterized by conditions that may not be as optimal.

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

 

Knysna, monthly averages in September

Min Temperature 12°C  

Max Temperature 19°C  

Chance of Rain 35%  

Precipitation 55 mm  

Rainy days 11 days  

Sunshine 255 hours  

Percentage Sunshine  

Where to go in South Africa in September

Find out more about the weather in South Africa in September and which places have the best weather 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 Knysna in September?

For visitors traveling to Knysna, 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.

What To Do

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

Cycling

10/10

Walking

10/10

Camping

8/10

Outdoor sports

10/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Knysna.

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 climate conditions. Find out where to go with our weather planner.