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Conditions at Surfer's Beach in September
September: Autumn's First Whiff of Hope
September is a transition month with promising signals. Average swell height holds at 3.5ft (1.1m), but the period jumps back to 9.1s - proof that longer-wavelength energy is returning to the region. The favorable N/NNE/NNW share more than doubles from August, reaching about 17%, and the NE window expands to 34%. This is also one of the cleanest wind months of the year, with ideal wind at 49% of the time as ENE trades lose their grip. The Atlantic hurricane season is approaching its climatological peak, and any tropical system tracking north/northwest can deliver strong, long-period groundswell that lights up Surfer's Beach. Water remains warm at 29.2°C, but autumn is knocking.
Average Spot conditions at Surfer's Beach in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Surfer's Beach 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 Surfer's Beach for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Surfer's Beach 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 Surfer's Beach.