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Conditions at Lennox Head in September
September: Spring Transition Brings East Swell Back
September is a shoulder month, but a good one. Ideal wind sits at 52%, average period drops to 8.8s and average swell is 1.5m (5ft). The key change is directional: NNE (10.3%), NE (9.2%), ENE (8.2%) and E (11.6%) swell begins to mix with the fading SSE (21.1%) and SE (14.3%) groundswell, giving Lennox more of its preferred east angle. The wind rose is spring-like, with NNW (19.2%), NNE (8.4%) and N (6.5%) prominent-some of these are cross-offshore or light enough to keep the lines clean, and ideal wind still occurs over half the time. Air temp 19.6°C, water 20.5°C, rainfall 1.34 mm/day. There are plenty of crisp, sunny mornings with punchy east-northeast swell.
Average Spot conditions at Lennox Head in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Lennox Head 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 Lennox Head for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Lennox Head 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 Lennox Head.