Conditions at La Chiesa in September
September: First Stirring of Autumn
September hints at change as the average swell nudges back to 0.6m (2ft) and periods to 4.7s. W swell is still dominant (24.6%) but the southern sector strengthens: S (10.6%), SSE (7.8%), SSW (9.0%), and SE (4.9%) combine for roughly 32%. The wind still leans onshore from ESE (9.1%) and SE (8.3%), but NNW (9.8%) provides a glimmer of offshore hope in the mornings. Water temp is still warm at 23.4°C, air 22.6°C, and rainfall increases to 2.79 mm/day as the sea tries to cool. It's the beginning of the transition; don't be surprised if a few early-season swells light up the beach by late September.
Average Spot conditions at La Chiesa in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at La Chiesa 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 La Chiesa for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at La Chiesa 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 La Chiesa.