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Conditions at Mona Lisa Point in September
September: Transition Toward Autumn Cleanliness
September is the first month where the southwest monsoon starts to loosen its grip. The swell distribution is more mixed: WSW still leads at 30 per cent, but W and WNW account for another 30 per cent combined, while NNW returns to 21 per cent as the first winter pulses begin to sneak in. The wind also shifts, with S and SSW easing to around 39 per cent combined and N/NNE/NNW flow increasing to 17 per cent. Ideal wind improves to 9 per cent, though it remains far from consistent. Average height is 2ft (0.6m) with a period of 7.0s, meaning short, punchy waves when the wind allows. Rain is still heavy at 15.13mm/day, but the trend towards clearer, drier NE monsoon weather is already visible by late month.
Average Spot conditions at Mona Lisa Point in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Mona Lisa Point 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 Mona Lisa Point for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Mona Lisa Point 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 Mona Lisa Point.