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Kailua Beach

Typical September highs at Kailua Beach reach about 83°F, with reliable beach weather most of the year. Kailua Beach is located in Koolaupoko, Hawaii.

Koolaupoko, Hawaii · live parking & conditions · updated June 19, 2026

Kailua Beach in Koolaupoko, Hawaii
Photo: Tony Webster · CC BY 2.0

Conditions & tides

In a typical year September is the warmest month here, with highs near 83°F, and it's reliably beach weather most of the year. Tap Kailua Beach on the map for live surf, wind, water temperature, UV and tide times.

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