Conditions at Middles in September
September: The Wildcard Month
September is where the season starts to wake up. Average period climbs back to 9.0s and swell height remains manageable at 1.4m (4.6ft). ENE is still the dominant source at 48.9%, but NE jumps to 21.8%, NNE makes 8.4%, and there is a return of N/NNW energy at around 3%. The wind field also becomes more favorable, with ideal wind at 30%, and light S/SW/SSW sectors appear more often. This is also peak hurricane season: tropical systems can generate long-period E/ENE swells, and if the angle perks into NE, Middles can see solid and clean waves. Water temp is 29.2°C, air temp is 27.8°C, and precipitation ramps to 5.74 mm/day.
Average Spot conditions at Middles in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Middles 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 Middles for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Middles 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 Middles.