Conditions at Paul do Mar in September
September: Autumn's Quiet Awakening
September is where the surf season begins to reawaken. The average height climbs to 1.6m (5.5ft) and the average period stretches to 10.5s, the first real sign of long-period groundswell in months. NNW still leads at 40.4%, followed by NW (16.7%) and NNE (16.7%), but the significant distribution of 1.5-2m (5-6.5ft) waves is starting to build. Offshore winds are at their annual peak, ideal 56% of the time, making for beautifully groomed surfaces. This is a month when the ocean is just about to turn serious, but the atmosphere still feels summery: water is the warmest of the year at 23.8°C, air averages 22.8°C (19.9-25.6°C), and rainfall is only 0.49mm/day. Get in the water before the real autumn storms arrive.
Average Spot conditions at Paul do Mar in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Paul do Mar 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 Paul do Mar for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Paul do Mar 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 Paul do Mar.