Typical September highs at Wailua Beach reach about 81°F, with reliable beach weather most of the year. Wailua Beach is located in Wailua, Hawaii.
Wailua, 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 Wailua Beach on the map for live surf, wind, water temperature, UV and tide times.
Open Wailua Beach on the map →