Conditions at Nusa Dua in September
September: Swell Still Peaks, Wind Begins to Yield
September begins to show light at the end of the tunnel. The swell average is still an impressive 6-7ft (1.8-2.1m) at 14.3s, and the SSW direction reaches a 70.9% share - remarkably consistent, powerful surf. Ideal wind improves to 2%, still terrible but with slightly more variability: SE 37.5%, ESE 36.6%, SSE 12.9%. The trade winds remain in control but are less relentless than August. Water temp is a cool 26.7°C, air 25.8°C, and rain is still scant (1.0mm/day). For the committed surfer, the occasional lull from the trades may open up a window.
Average Spot conditions at Nusa Dua in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Nusa Dua 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 Nusa Dua for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Nusa Dua 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 Nusa Dua.