World sea water temperatures

Water temperature in Port Nelson in September

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Is it warm enough to swim in Port Nelson in September? Average water temperature in Port Nelson in September is 84.9°F and therefore suitable for comfortable swimming. The warmest sea in Port Nelson in September is 86.7°F, and the coldest is 81.9°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Port Nelson

Changes water temperature in Port Nelson in September 2025, 2024

To get an accurate forecast for the water temperature in Port Nelson for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Port Nelson, 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 185.6°F84.9°F83.5°F86.4°F
September 285.6°F85.5°F83.7°F86.2°F
September 385.5°F85.6°F83.8°F86.5°F
September 485.6°F85.5°F83.1°F86.2°F
September 5 85.6°F83.1°F86.4°F
September 6 85.8°F83.1°F86.5°F
September 7 85.8°F83.3°F86.5°F
September 8 85.6°F82.8°F86.2°F
September 9 85.5°F82.6°F86.2°F
September 10 85.8°F82.2°F86°F
September 11 85.8°F81.9°F86.2°F
September 12 85.8°F82°F86°F
September 13 86°F82.8°F86.5°F
September 14 86.2°F83.5°F86.4°F
September 15 86.2°F82.8°F86.5°F
Day 2025 2024 Min Max
September 16 86.5°F83.3°F86.5°F
September 17 86.7°F83.5°F86.7°F
September 18 86.7°F83.7°F86.7°F
September 19 86.5°F83.8°F86.5°F
September 20 86.4°F83.8°F86.4°F
September 21 85.8°F83.5°F86.2°F
September 22 86°F83.5°F86.2°F
September 23 86.2°F83.7°F86.2°F
September 24 86.2°F83.7°F86.2°F
September 25 86°F83.5°F86°F
September 26 86°F83.8°F86.2°F
September 27 86.2°F83.8°F86.2°F
September 28 86°F83.8°F86.2°F
September 29 86.2°F83.8°F86.5°F
September 30 86.2°F83.5°F86.2°F
Port Nelson water temp chart in September

Average water temperature in Port Nelson in September over a decade

20152016201720182019
85.8°F84.9°F84.6°F84.4°F84.7°F
20202021202220232024
85.1°F85.5°F85.3°F86.2°F86°F

Port Nelson sea state in September

Chart comparing the height of waves in Port Nelson 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 Port Nelson in September

Port Nelson 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
Stella Maris85.1°F81.5°F87.1°F
Cape Santa Maria85.1°F81.9°F87.3°F
Cockburn Town84.9°F81.9°F86.9°F
San Salvador Island84.9°F81.9°F86.9°F
Long Island85.1°F81.7°F87.1°F
Columbus Isle84.9°F82°F87.1°F
Great Exuma85.5°F82.4°F88.2°F
George Town85.6°F82.4°F88.7°F
Cat Island85.1°F82.8°F87.4°F
Moss Town85.5°F82.4°F87.8°F

Port Nelson photo gallery

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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 Port Nelson 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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