Conditions at Lacanau in September
September: Autumn's First Roar
September is the turning point of the year at Lacanau. The average swell height climbs to 4-5ft (1.2-1.5m), the period lengthens back to 10.1 seconds, and ideal wind jumps to 40 percent as the North Atlantic lows start to spin up again. Swell direction is still dominated by WNW at 46 percent, NW at 21 percent and W at 12 percent, and there is a solid presence of 5-6ft (1.5-1.8m) sets alongside the fun smaller waves. Offshore ENE to SE winds become more frequent, especially with high pressure building over France, and the water remains warm at 20.1°C. Air temperatures average 18.9°C and precipitation increases slightly to 2.30 mm/day. This is one of the best shoulder months for quality surf without the intensity of winter.
Average Spot conditions at Lacanau in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Lacanau 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 Lacanau for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Lacanau 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 Lacanau.