Typical September highs at Ke'ei Beach reach about 74°F, with reliable beach weather July to November. Ke'ei Beach is located in South Kona District, Hawaii.
South Kona District, Hawaii · live parking & conditions · updated June 19, 2026
In a typical year September is the warmest month here, with highs near 74°F, and it's reliably beach weather July to November. Tap Ke'ei Beach on the map for live surf, wind, water temperature, UV and tide times.
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