Conditions at Pipe in September
September: Spring Arrives, Size Holds On
September is the gateway to spring and still offers serious winter surf. Average height is 2.3m (7-8ft) and period sits at 11.7s, with the ideal wind window at 22%. Air temperatures are still cool at 16.9°C (10.5-33.8°C), water 17.6°C, and precipitation curbs a little to 1.05 mm/day. The swell rose shows SSW at 21.2% and SW at 20.1%, while S contributes 10.1%. A subtle change is the return of E/ESE/SE swell, which totals about 12%, beginning to offer a slightly more favorable directional mix for Pipe. The wind climate is dominated by WSW at 20.3%, the strongest single offshore direction of the year, plus W (11.3%) and SW (9.8%). ENE (11.0%) and E (10.0%) are there to add complications, but the offshore resources are excellent. September is a transition month that can still be firing, especially if a late-season Southern Ocean blast lines up.
Average Spot conditions at Pipe in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Pipe 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 Pipe for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Pipe 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 Pipe.