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Knysna Weather September

Knysna is located in oceanic climate that can be described as high humidity and moderate seasonal temperature fluctuations warm summer and soft but windy winter.
To help you choose the best time to travel, you can find climate data below on the weather in Knysna in September.
![]() | average daily high | +20.5°C |
![]() | average daily low | +10.7°C |
![]() | sea temperature | +17.1°C |
![]() | daytime | 12.3 h |
![]() | average monthly precipitation | 41 mm |
The best weather conditions for the beach leisure in Knysna are typically January, February, December. Best season with the soft weather for the sightseeing and long walks are January, February, March, April, May, June, July, August, September, October, November, December.
Temperature in Knysna
In September the average daily maximum in Knysna is +20.5°C, and the minimum +10.7°C.
The hottest September day on record is +39.6°C, and the coldest +4.7°C.
Best beach resorts in September:

Barcelona
Spain

Nice
France

Rimini
Italy

Cannes
France

Lisbon
Portugal

Marseille
France
Daylight hours
There are 12.3 hours of daylight in Knysna in September.
Most Popular Destinations in the World
Sea temperature
The average monthly temperature in the Indian Ocean on the beaches of Knysna in September is +17.1°C.
The water is considered very cool, but some hardy people might bathe in it for 10-15 minutes.
Precipitation
The amount of precipitation in Knysna in September is usually 41 mm, a negligible amount.