Conditions at Santana in September
September: The Swell Window Is Wide Open
September is arguably the best month of the year at Santana. A massive 90% of the wave energy comes from the useful southern quadrant-SW leads with 42.3%, SSW adds 33.2%, and WSW/S contribute the rest. The average wave period of 12.9s means these are organised, long-period swells with grinding 3-5ft (1-1.5m) walls and sneaky 5-6.5ft (1.5-2m) sets. The average swell height is 3.9ft (1.2m), but the directional consistency and power make September an absolute standout.
Ideal surfing wind peaks at 40%. Trades are softer, with ENE at 37% and E at 17%, though increasing southwest/west afternoon flows are onshore and need to be watched. Dawn and midmorning windows are usually cleanest. Air temps average 27.9°C, water temp is at its warmest around 29.2°C, and rain is heavy at 7.94mm/day. Wet-season downpours are part of the package, but the conditions are worth it.
Average Spot conditions at Santana in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Santana 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 Santana for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Santana 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 Santana.