Conditions at Vouliagmeni in September
September: First Signs of Autumn Life
September is a quiet return to possibility. The average swell height stays low at 0.5m (1.6ft), and the period is still a modest 4.3s, but ideal wind rises to 20%. NNE remains the dominant swell direction at 35.1%, but SSW begins to take more shape at 13.3%, with around 3.8% of the month in the 0.5-1.5m (1.5-5ft) range. Offshore NNW winds blow 26% of the time, keeping conditions clean when any south swell sneaks in. Water is warm at 25.5°C, air averages 23.5°C, and rain remains low. The first autumn mid-latitude cyclone in the Mediterranean can already produce a fun longboard session by late month.
Average Spot conditions at Vouliagmeni in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Vouliagmeni 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 Vouliagmeni for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Vouliagmeni 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 Vouliagmeni.