Conditions at St. Laurent du Var in September
September: First Glimmers of Change
September marks the beginning of the slow autumn recovery. Average swell height ticks back up to around 1.3ft (0.4m), period increases to 4.5s, and ideal offshore wind doubles to 16%. The swell rose is still dominated by S/SSW/SW directions, with SW at 17.9% and SSW at 16.9%, but E/ENE swell also begins to build (E 16.2%, ENE 6.8%). Most waves remain under 0.5m, but the 0.5-1m class holds about 12% and the 1-1.5m class reaches 2.3%, up from summer.
Winds are still mixed, with offshore N-E flow and onshore S-W flow nearly equal. Early-autumn rains arrive at 2.25mm/day, air temperatures average 21.2°C, and water temperature remains warm at 22.1°C. The first strong cold fronts of the season can deliver a surprise 1-3ft (0.6-1m) SW swell; stay tuned to the pressure charts.
Average Spot conditions at St. Laurent du Var in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at St. Laurent du Var 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 St. Laurent du Var for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at St. Laurent du Var 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 St. Laurent du Var.