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Conditions at Kleinmond in September
September: Spring Transition and Trade-Offs
September is a gatekeeper month. Swell still averages 2.6m (8.5ft) at 11.9s, with strong SW (18%), SSW (11%) and WSW (10%) pulses rolling through, but the wind becomes more volatile. Ideal wind drops to 33%, as the Cape Doctor begins to build again - ESE (12%) and E (10%) return, and NW (14%) becomes the main offshore player. The result is a mixed bag: some days still deliver world-class winter-style surf, while others are blown out by the recovering south-easterly. Air temps start to rise (14.7°C) but water stays cold at 15.4°C. For a surfer, it's a month to pick your days carefully - the swell is there, but the wind decides whether you score or get skunked.
Average Spot conditions at Kleinmond in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Kleinmond during September. Based on historical data, there is a % probability of groundswell occurring this month. The chart below provides a detailed breakdown of the average wave height distribution, offering deep insights into the swell quality and surf potential you can expect at Kleinmond for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Kleinmond for September. Our analysis shows that favorable offshore or side-shore winds coincide with surfable swell approximately % of the time. The accompanying graph illustrates the average size distribution of waves during these optimal wind windows at Kleinmond.