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Conditions at Barrio in September
September: A Quiet Prelude to the Autumn Rebound
September is the first month of the year where the seasonal scales begin to tip back toward meaningful surf. The average swell height climbs slightly to 2.6ft (0.8m) and the period recovers to 9.5s, while the swell rose starts to show a stronger NE component at 27% and NNE at 11%. ENE remains important at 23%, but the character of the swell becomes more organized. The wind is still largely favorable, with ideal offshore conditions 57% of the time, driven by persistent S/SW flow. As a result, September often offers small-to-fun, clean waves with the occasional chest-high set. Water temperature is a warm 29.5°C, and the increasing period is an early warning that the winter swell machine is beginning to wake up. It is a great month to ease back into proper surfing.
Average Spot conditions at Barrio in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Barrio 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 Barrio for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Barrio 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 Barrio.