Conditions at Cabo do Mundo in September
September: Autumn Begins to Stir
September is the turnaround month at Cabo do Mundo. The average swell height is still modest at 5ft (1.6m), but the period jumps back up to 10.4s, a clear sign that the North Atlantic is waking up. The waverose shows NW (38.6%), WNW (23.3%) and NNW (20.0%) still dominating, but there is more energy in the 1.5-2.5m (5-8ft) range than during the summer months. The wind also becomes more favourable: ideal offshore flow occurs 30% of the time, a big improvement over July and August. NNW winds are still the most common at 29.2%, but E and SE offshore winds appear more often as high pressure shifts and Atlantic fronts begin to approach. Water temperature holds at a pleasant 16.8°C, making September one of the best months for warm-water surfing with decent swell. This is a great time to start paying attention to the forecast.
Average Spot conditions at Cabo do Mundo in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Cabo do Mundo 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 Cabo do Mundo for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Cabo do Mundo 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 Cabo do Mundo.