Typical September highs at Elmar Beach reach about 77°F, with reliable beach weather August to October. Elmar 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 77°F, and it's reliably beach weather August to October. Tap Elmar Beach on the map for live surf, wind, water temperature, UV and tide times.
Open Elmar Beach on the map →