Conditions at Belharra in September
September: The First Spark of Autumn
September is where the ocean starts to remember its manners. Average swell height edges up to 4ft (1.3m), period lengthens to 10.4s, and ideal wind percentage improves to 27%. NW swell is still king (53.5%), with WNW at 21% and NNW at 14.5%, and there is a larger presence of 5-8ft (1.5-2.5m) energy than in the summer months. Wind directions are slowly rotating back: SSE/S/SSW pockets reach 11.6%, while W/NW/NNW still dominate many days. Rain averages 2.6mm/day, water temp is a pleasant 20.9°C, and the first big Atlantic lows begin to form to the north. It is not peak season, but September offers hope - a strong early autumn storm can surprise Belharra with the first genuine long-period swell since spring.
Average Spot conditions at Belharra in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Belharra 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 Belharra for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Belharra 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 Belharra.