Conditions at Sidi Moussa d'Aglou in September
September: A Faint Autumn Pulse
September marks the first quiet step back toward autumn. Average swell height remains small at 4.5ft (1.4m), but the period rebounds to 10.1s, hinting at longer fetches forming in the North Atlantic. The swell direction is still heavily NNW at 74 percent, with NW adding 21 percent, and most waves sit in the 3-5ft (1-1.5m) range. It is cleaner and more organized than August, though still not big.
The wind regime starts to improve, but slowly. Onshore W/WNW/NW/NNW flow still covers about 66 percent of the time, with NW wind at 28 percent, and ideal conditions rise only modestly to 19 percent. Sea temperature is still warm at 19.0°C, air temp averages 22.0°C, and rain is scarce. As the Azores High begins to weaken, the first glimmers of autumn swell are visible, just don't expect consistent quality yet.
Average Spot conditions at Sidi Moussa d'Aglou in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Sidi Moussa d'Aglou 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 Sidi Moussa d'Aglou for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Sidi Moussa d'Aglou 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 Sidi Moussa d'Aglou.