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Conditions at Salina Cruz in September
September: Late-Summer Swell and Tropical Energy
September continues the summer theme with SSW swell at 45.4% and S swell at 23.4%. Average height remains 1.5m (5ft), period is 12.5s, and the ideal wind percentage stays high at 48%. The late-season tropics can also inject extra energy into the water, occasionally pushing the average size above the baseline. The wind regime is N-NNE-NNW dominant, with the N block combined around 63%, so clean conditions often occur in the early morning. Water temperature is 30.2°C, air averages 27.9°C, and rainfall remains substantial at 8.07mm/day. It is a month with plenty of swell and good odds of clean surf between showers.
Average Spot conditions at Salina Cruz in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Salina Cruz 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 Salina Cruz for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Salina Cruz 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 Salina Cruz.