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Conditions at Punta Arena in September
September: Hurricane Season's Peak and Fresh Windows
September is the heart of eastern Pacific hurricane season, and that is both a promise and a threat. Average wave heights reach their yearly peak at 0.9m (3ft), with a solid period of 12.2s. S swell still dominates at 62%, with SSE at 31%, but the presence of SE and ESE sources starts to grow, giving Punta Arena a better chance of seeing useful tropical swell angles.
The ideal wind percentage jumps to 44%, the best since spring, with W and WNW winds offering cleaner surf in between storm pulses. Air temperatures sit at 28.8°C, water is a warm 30.0°C, and precipitation jumps to 3.55 mm/day, the wettest month of the year. This means stormy, unstable conditions, but also the potential for the best waves of the summer if a tropical system aligns with an offshore wind window.
Average Spot conditions at Punta Arena in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Punta Arena 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 Punta Arena for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Punta Arena 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 Punta Arena.