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Conditions at Las Gatas in September
September: The Apex of Pacific Hurricane Swell
September is the true peak of the east Pacific tropical cyclone season, and the numbers back it up. Average swell height is 1.5m (4.9ft) with a 13.1s period. The wave rose is still SSW-dominated (67.2%), but SW contribution rises to 14.6% and S to 14.9%, giving the bay a broader, more westerly swell window. Four percent of the swell comes in at 2-2.5m (6.6-8.2ft) from the SSW, and a trace even pushes past 2.5m (8.2ft). These are heavy, organized, long-period waves from distant tropical systems - exactly the kind of energy that makes a west-facing reef come alive.
September also posts the highest ideal wind percentage of the year at 46%. The ESE (11.2%), SE (17.2%), SSE (8.4%) and S (5.1%) sectors combine for morning offshore flow, while WNW (10.7%) and W (8.1%) remain secondary afternoon options. Water temperature is a warm 30.1°C, air temperatures average 25.4°C, and precipitation is at a yearly high of 9.59mm/day. The combination of big, long-period swell and clean wind makes September the most reliable month for quality surf at Las Gatas.
Average Spot conditions at Las Gatas in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Las Gatas 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 Las Gatas for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Las Gatas 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 Las Gatas.