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Conditions at Woolamai in September
September: Spring Gold with Extra Long Period
September delivers the longest average period of the entire year at 12.6s, with an average swell height of 1.7m (5-6ft). The directional distribution remains ideal: SW dominates at 45.0%, WSW at 15.6% and SSW at 10.3%, so Woolamai sees a steady diet of long-period groundswell. Winds are still predominantly offshore but easing: WNW (15.9%), NNW (12.7%), NW (10.6%) and W (13.0%) keep surfaces clean 41% of the time. Onshore S-SSE flow remains subdued around 10%. Air temperatures begin to climb to 12.1°C, water temp remains cold at 13.4°C, and rainfall is 2.60 mm/day. It is a transition month, but the swell quality can be some of the best all year.
Average Spot conditions at Woolamai in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Woolamai 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 Woolamai for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Woolamai 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 Woolamai.