Which beach should I pick?
In September, San Onofre State Beach averages 21.0°C and Trestles averages 21.0°C. The two beaches are 2 km apart on the Pacific Ocean.
For families, San Onofre State Beach is the safer pick — shallow, calm and accessible.
San Onofre State Beach vs Trestles
Side-by-side sea temperature, swim score and wave conditions. The two beaches sit roughly 2 km apart.
San Clemente, United States
San Onofre State Beach
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Monthly average 21.0°C
Wave
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Wind
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Air
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Monthly averages
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