Seasonal ranking
Warmest sea temperature in South Africa in September
Where the sea is warmest across South Africa during September, ranked by long-term monthly average water temperature. Durban North Beach (KwaZulu-Natal, South Africa) tops the list at around 21°C. Open any spot for today's live water temperature and a 7-day swim forecast.
- 1Durban North BeachKwaZulu-Natal · South Africa · Indian OceanPleasant — swimmable without a wetsuit21°CSeptember average
- 2Muizenberg BeachWestern Cape · South Africa · Indian OceanPleasant — swimmable without a wetsuit21°CSeptember average
- 3Plettenberg BayWestern Cape · South Africa · Indian OceanPleasant — swimmable without a wetsuit21°CSeptember average
- 4Umhlanga BeachKwaZulu-Natal · South Africa · Indian OceanPleasant — swimmable without a wetsuit21°CSeptember average
- 5Coffee Bay BeachEastern Cape · South Africa · Indian OceanPleasant — swimmable without a wetsuit21°CSeptember average
- 6Jeffreys BayEastern Cape · South Africa · Indian OceanPleasant — swimmable without a wetsuit21°CSeptember average
- 7Clifton 2nd BeachWestern Cape · South Africa · Atlantic OceanPleasant — swimmable without a wetsuit21°CSeptember average
- 8Boulders BeachWestern Cape · South Africa · Atlantic OceanMild — fine for a swim, cool at first19°CSeptember average
Warmest sea in September elsewhere
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South Africa in September — frequently asked questions
- Where is the sea warmest in South Africa in September?
- Durban North Beach in South Africa has the warmest sea in South Africa in September, averaging about 21.0 °C. Muizenberg Beach (21.0 °C) and Plettenberg Bay follow close behind.
- How many beaches in South Africa are warm enough to swim in September?
- None of the top 8 ranked beaches in South Africa reach 22 °C in September, so a wetsuit is recommended for anything longer than a quick dip.
- How are these September sea temperatures calculated?
- Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical September rather than today's reading. Open a beach page for the live water temperature and 7-day forecast.
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