Conditions at Leja da Palmeira in September
September: The Atlantic Starts Stirring
September marks the beginning of the autumn transition, a month when Leja da Palmeira starts to get its winter back. The average swell height climbs slightly to 5ft (1.6m), and the average period jumps to 10.4s, giving the waves more shape and punch than the summer months. Swell direction remains very favorable: NW leads at 38.6 percent, WNW follows at 23.3 percent, and NNW adds 20 percent. The wind also starts to shift: ideal offshore flow is now 30 percent, up from the low teens of mid-summer, even though NNW wind still dominates at 29.2 percent. This is a month of windows: early-season cold fronts brush the Iberian coast, bringing the first real long-period northwest swells of the season. With air temperatures still warm at 19.2°C, water temperature at 16.8°C and precipitation rising to 1.92 mm/day, September can deliver some of the most pleasant surf days of the year, particularly before the winds clock around to the north.
Average Spot conditions at Leja da Palmeira in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Leja da Palmeira 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 Leja da Palmeira for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Leja da Palmeira 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 Leja da Palmeira.