Typical September highs at Harbor Beach reach about 76°F, with reliable beach weather July to October. Harbor Beach is located in Santa Cruz, California.
Santa Cruz, California · live parking & conditions · updated June 19, 2026
In a typical year September is the warmest month here, with highs near 76°F, and it's reliably beach weather July to October. Tap Harbor Beach on the map for live surf, wind, water temperature, UV and tide times.
Open Harbor Beach on the map →