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Conditions at Langland Beach in September
September: The First Signs of Autumn
September is the hinge month between summer flatness and autumn energy. Average swell height remains around 3ft (0.9m) and period is 8.1s, so not yet powerful, but the totals start to shift. The SW swell share increases to 8.5%, while WSW and W still account for around 61%. More importantly, the first deep Atlantic lows are now capable of sending early autumn groundswell toward the UK. On those days, Langland can see punchy 3-5ft (1-1.5m) waves, especially if the swell direction trends south-west.
Water is still warm at 16.7°C and air averages 14.7°C. Ideal offshore winds remain limited at 12%, but autumn cold fronts often bring fresh NNW winds that clean the lines. As the month progresses, keep an eye on the North Atlantic wind charts; the late-September window often delivers the first quality session of the season.
Average Spot conditions at Langland Beach in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Langland 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 Langland Beach for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Langland 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 Langland Beach.