Conditions at Popoyo in September
September: The Sweet Spot of Swell Direction and Light Trades
September is arguably the best month of the year at Popoyo. The swell direction is nearly perfect: SW delivers 42 percent and SSW 33 percent, with WSW 8 percent and S 6 percent, so about 90 percent of all wave energy arrives from the optimal window. The average period sits at 12.9s, and average heights are 3-4ft (0.9-1.2m), but the consistency and quality are off the charts. This is the month when SSW/SW groundswell trains line up like clockwork.
The wind pattern also becomes friendlier. ENE drops to 37 percent, E 18 percent, and NE 8 percent, while light S/SW/WSW sea breezes make up a larger share of the distribution. Ideal surf conditions reach 39 percent, the second-highest of the year. It is the wettest month with 7.94 mm/day of rain, but that is typical tropical moisture. Water temp is 29.2°C and air 27.9°C; just wear a rashguard and enjoy.
Average Spot conditions at Popoyo in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Popoyo 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 Popoyo for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Popoyo 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 Popoyo.