World sea water temperatures

Water temperature in Olowalu (HI) in September

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Is it warm enough to swim in Olowalu in September? Average water temperature in Olowalu in September is 80.8°F and therefore suitable for comfortable swimming. The warmest sea in Olowalu in September is 85.3°F, and the coldest is 77.5°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Olowalu

Changes water temperature in Olowalu in September 2025, 2024

To get an accurate forecast for the water temperature in Olowalu for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Olowalu, 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 181°F81.3°F78.1°F83.8°F
September 281°F81.1°F78.1°F84°F
September 381°F81°F78.1°F84.2°F
September 481.1°F80.2°F78.1°F84°F
September 581.1°F80.2°F78.1°F84°F
September 681.1°F80.1°F78.1°F84°F
September 781.3°F80.2°F78.3°F84°F
September 881.5°F80.1°F78.1°F84.7°F
September 981.9°F80.1°F77.9°F85.3°F
September 1082°F81°F78.3°F85.3°F
September 1181.9°F81°F78.1°F84.7°F
September 1281.5°F81.5°F77.7°F84.4°F
September 1381.1°F81.3°F78.1°F84°F
September 1482°F81.3°F77.9°F83.8°F
September 1581.7°F81.1°F78.1°F83.5°F
Day 2025 2024 Min Max
September 1681.7°F81°F78.3°F83.5°F
September 1781.9°F80.8°F78.4°F83.8°F
September 1881.7°F80.8°F78.6°F83.7°F
September 1981.5°F80.8°F78.4°F83.7°F
September 2081.3°F81°F77.9°F83.3°F
September 2181.1°F81°F78.1°F83.3°F
September 2281.3°F81°F77.9°F83.1°F
September 2381.3°F81°F77.5°F83.1°F
September 2481°F81.3°F78.1°F83.5°F
September 2581.1°F80.8°F78.1°F84.2°F
September 26 81°F79.3°F82.8°F
September 27 81.1°F78.1°F83.1°F
September 28 81.5°F78.3°F83.1°F
September 29 81.3°F78.6°F82.8°F
September 30 81.1°F78.6°F82.9°F
Olowalu water temp chart in September

Average water temperature in Olowalu in September over a decade

20152016201720182019
83.8°F81.9°F81.7°F81.3°F83.1°F
20202021202220232024
81°F80.1°F81.3°F80.1°F81°F

Olowalu 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
Kahului79.9°F76.8°F84°F
Kapalua80.1°F77°F84.2°F
Paia79.7°F76.8°F83.8°F
Haiku-Pauwela79.7°F76.8°F83.7°F
Peahi79.7°F76.8°F83.7°F
Jaws79.7°F76.8°F83.7°F
Kaunakakai80.4°F77.5°F84.4°F
Molokai80.6°F77.5°F84.4°F
Hana80.1°F77°F84.2°F
Hamoa Beach80.1°F77.2°F84.4°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 Olowalu 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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