South Africa weather in September
Are you planning a trip to South Africa in September and wondering what kind of weather to expect? This page has all the details you need.
What is the weather like in South Africa in September?
Weather in South Africa varies in September, with temperatures ranging from moderate to very warm and precipitation ranging from almost none to moderate.
The average maximum temperatures vary from moderate in Kommetjie at 17°C (62°F) to very warm in Kruger National Park at 31°C (89°F). Nighttime temperatures generally drop to 18°C (64°F) in Kruger National Park and 14°C (56°F) in Kommetjie.
Precipitation in September varies from almost no rainfall in Kotzeshoop with an average of 4.2mm (0.2 inches) to moderate rainfall in Port Saint Johnʼs with 88mm (3.5 inches). It is also generally a sunny time of year with an average of 225 hours of sunshine in Cape Town during the entire month.
For more details on the yearly weather and climate conditions, visit our South Africa climate page. To learn more about the weather conditions in specific areas of South Africa in September, check out the map below.
Where to go in South Africa in September





Popular destinations in South Africa
What is the weather like in September for the 5 most popular destinations in South Africa?
Average weather in Cape Town
In September Cape Town generally has pleasant temperatures with maximum daytime temperatures around 18°C (65°F), minimum nighttime temperatures around 11°C (52°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.
Average weather in Johannesburg
In September Johannesburg generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 11°C (52°F) and low monthly rainfall. So on average the conditions are perfect that month.
Average weather in Durban
In September Durban generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 17°C (62°F) and moderate monthly rainfall. So on average the conditions are perfect that month.
Average weather in Knysna
In September Knysna generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 12°C (54°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.
Average weather in Stellenbosch
In September Stellenbosch generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 9°C (48°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.
Is your destination not in the list? Have a look at other destinations in South Africa.
Is September the best time to go to South Africa?
In our opinion September is a good time to visit South Africa with commonly pleasant weather in Cape Town. However, the weather conditions may vary depending on your destination.
On average the best time to visit South Africa is in January, February, March, April, May, October, November and December with generally perfect weather in Cape Town.
The worst month is July that can have unpleasant weather conditions.
Interested in more climate information?
We have much more information about the climate in South Africa.
Interested in the weather conditions in a specific month? Select the month below.
Weather and climate has detailed information for every country in the world. Are you going to South Africa? Get detailed 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.