Typical September highs at Kalaeʻōʻio Beach reach about 81°F, with reliable beach weather most of the year. Kalaeʻōʻio Beach is located in Koolauloa, Hawaii.
Koolauloa, Hawaii · live parking & conditions · updated June 19, 2026
In a typical year September is the warmest month here, with highs near 81°F, and it's reliably beach weather most of the year. Tap Kalaeʻōʻio Beach on the map for live surf, wind, water temperature, UV and tide times.
Open Kalaeʻōʻio Beach on the map →