Oahu water temperature in September

Is Oahu too cold to swim in fall? In September sea water temperature throughout Oahu warms above 68°F and it is enough for a comfortable bath. Based on average water temperature observations over the past ten years, the warmest ocean in Oahu in September was 81.1°F (in Waianae), and the coldest sea 80.1°F (in Kahuku). To find out the sea temperature today and in the coming days, go to Current sea temperature in Oahu

Oahu sea surface temp in September

Oahu cities and resorts with the values of the average water temperature in September in recent years.
For more detailed information about water temperature, surf forecast, weather and time of sunrise and sunset in any specific area of your interest, just click on a city name. For ease of search, all places are also grouped by the first letter of the name.

To find out what the water temperature was in Oahu any day over a period of the last ten years, select the month

Places with the warmest average ocean water temperature in Oahu in September. Also indicated are the maximum and minimum temperatures in September for these locations based on observations over the past 10 years

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Oʻahu, The Gathering Place

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Our report for United States is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.