Conditions at Aguieira in September
September: The Change of Season Begins
September signals the first real pulse of autumn. Average swell height climbs back to 1.0m (3.3ft) and period lengthens to 8.8s, bringing more organized lines. The swell direction still favours WNW at 32.5 percent and NW at 23.7 percent, but the mix includes enough NNW at 12.3 percent and W at 14.9 percent to give the break variety. Wave heights are now split between 0.5-1m (2-3ft) and 1-1.5m (3-5ft), with some bigger 1.5-2m (5-6ft) sets starting to creep in. Ideal offshore winds recover to 25 percent and the northeasterly wind fades slightly, setting up the first favourable windows of the season. Water temperature remains warm at 17.3°C, air averages 18.4°C, and rain drops to 2.39 mm/day - an excellent month to start watching the charts.
Average Spot conditions at Aguieira in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Aguieira 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 Aguieira for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Aguieira 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 Aguieira.