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Conditions at Lefthanders in September
September: Late-Winter Gold Still on Offer
September is a transition month out of winter, but the ocean hasn't let go yet. Average swell is still a solid 8-9ft (2.6m) with a 13.2s period, and the swell rose is clean: SW (28.4%), WSW (15.9%), W (3.5%) and WNW (0.9%) dominate, with SSW (4.8%) as a background component. The wind pattern begins to relax compared to mid-winter, though WSW (11.9%), W (12.1%) and WNW (11.0%) are still the most common directions. Ideal offshore flow remains at 18%. The lighter northern quadrant also starts to appear, bringing more opportunities for morning glass. Air temp begins to rise (14.4°C), water stays at 17.3°C, and precipitation eases to 2.52 mm/day. The end of the season still delivers powerful, long-period lefts.
Average Spot conditions at Lefthanders in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Lefthanders 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 Lefthanders for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Lefthanders 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 Lefthanders.