Typical September highs at Mayal's Beach reach about 73°F, with reliable beach weather September. Mayal's Beach is located in Half Moon Bay, California.
Half Moon Bay, California · live parking & conditions · updated June 19, 2026
In a typical year September is the warmest month here, with highs near 73°F, and it's reliably beach weather September. Tap Mayal's Beach on the map for live surf, wind, water temperature, UV and tide times.
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