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Conditions at Sayulita in September
September: Hurricane Swells and Highest Offshore Wind
September is peak eastern Pacific tropical cyclone season, and Sayulita can feel it. Average swell height is 1.1m (3.6ft) with a period of 13.0s. The direction remains dominated by SW (59.9%) and SSW (24.2%), but WSW picks up to 14.4%, adding a little more westerly exposure. There is also the highest percentage of larger swell in the summer at 1.5-2.5m (4.9-8.2ft), mainly from SSW and SW. This is prime hurricane groundswell, albeit from a less-than-ideal angle. What sets September apart is wind: ideal offshore wind reaches 34%, the highest of the year. S, SSW, SW and WSW directions are all present, meaning the ocean is glassy much more often than in winter. Water temperature is 30.3 degrees C, air 28.2 degrees C and rain 11.10mm/day. If the tropics light up, September can produce surprisingly fun, long-period surf in clean offshore conditions, even if the swell direction never perfectly matches the bay.
Average Spot conditions at Sayulita in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Sayulita 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 Sayulita for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Sayulita 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 Sayulita.