World sea water temperatures

Water temperature in Kahakuloa (HI) in September

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Is it warm enough to swim in Kahakuloa in September? Average water temperature in Kahakuloa in September is 79.9°F and therefore suitable for comfortable swimming. The warmest sea in Kahakuloa in September is 84°F, and the coldest is 76.8°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Kahakuloa

Changes water temperature in Kahakuloa in September 2025, 2024

To get an accurate forecast for the water temperature in Kahakuloa for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Kahakuloa, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of September.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
September 179.9°F79.9°F77.5°F82.2°F
September 279.9°F79.9°F77.4°F82.6°F
September 379.9°F79.7°F77.4°F82.6°F
September 480.1°F79.5°F77.2°F82.4°F
September 5 79.5°F77.2°F82.2°F
September 6 79.5°F77.2°F82.6°F
September 7 79.5°F77.2°F82.8°F
September 8 79.7°F77.2°F83.5°F
September 9 79.9°F77°F84°F
September 10 80.1°F77.4°F84°F
September 11 80.1°F77.2°F83.5°F
September 12 80.2°F77°F82.8°F
September 13 80.1°F77.2°F82.6°F
September 14 80.1°F77°F82.2°F
September 15 80.1°F77.2°F82.4°F
Day 2025 2024 Min Max
September 16 80.1°F77.2°F82.4°F
September 17 79.9°F77.2°F81.7°F
September 18 79.9°F77.4°F81.3°F
September 19 79.7°F77.4°F81.7°F
September 20 79.9°F77°F81.5°F
September 21 79.9°F77.2°F81.5°F
September 22 79.5°F77.2°F81.9°F
September 23 79.9°F76.8°F81.9°F
September 24 79.9°F77.4°F81.9°F
September 25 80.1°F77.4°F82.2°F
September 26 79.9°F77.7°F82°F
September 27 79.7°F77.5°F81.9°F
September 28 79.7°F77.5°F81.7°F
September 29 80.2°F77.7°F81.9°F
September 30 80.1°F77.9°F81.7°F
Kahakuloa water temp chart in September

Average water temperature in Kahakuloa in September over a decade

20152016201720182019
82°F80.6°F80.8°F80.4°F81.7°F
20202021202220232024
80.1°F79°F80.2°F79.5°F79.9°F

Kahakuloa sea state in September

Chart comparing the height of waves in Kahakuloa in September over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Kahakuloa in September

Kahakuloa water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in September?

Want to know where the water temperature in September is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Temperature in neighboring cities

The nearest locations with the average water temperature in September. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Honolua Bay80.1°F77°F84.2°F
Fleming Beach80.1°F77°F84.2°F
Oneloa Bay80.1°F77°F84.2°F
Ironwood Beach80.1°F77°F84.2°F
Kahana80.6°F77.2°F84.7°F
Kaanapali80.8°F77.4°F84.9°F
Kahekili Beach Park80.8°F77.4°F84.9°F
Lahaina80.8°F77.5°F85.3°F
Jaws79.7°F76.8°F83.7°F
Olowalu80.8°F77.5°F85.3°F

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Kahakuloa 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.

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