- Home
- ...Africa
South Africa- Millers
Conditions at Millers in September
September: Spring Transition Brings More Windows
September starts the spring reshuffle. Average swell eases to 7.5ft (2.3m) at 11.7s, still plenty of power. The SSW sector remains the leader at 21.2 per cent, with SW at 20.1 per cent and S at 10.1 per cent; the 6.5-8ft (2-2.5m) bands are still well stocked. The wind signal turns more mixed. The dominant WSW wind is at 20.3 per cent, W drops to 11.3 per cent, and the NE/ENE/E flow strengthens to 25.5 per cent. Ideal offshore wind from S/SSW/SW reaches 21 per cent, while the onshore N/NNE/NE/NNW total is 10.1 per cent. Water temperature is still cool at 17.6°C, air averages 16.9°C, and rain is 1.05 mm/day. As the cold fronts become less frequent, the windows between them clean up - September can deliver excellent, powerful surf on days when the wind swings into the S/SSW corner.
Average Spot conditions at Millers in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Millers 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 Millers for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Millers 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 Millers.