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Water temperature in Cedar Island (NC) in September

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Is it warm enough to swim in Cedar Island in September? Average water temperature in Cedar Island in September is 79.2°F and therefore suitable for comfortable swimming. The warmest sea in Cedar Island in September is 84.9°F, and the coldest is 73.6°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Cedar Island

Changes water temperature in Cedar Island in September 2025, 2024

To get an accurate forecast for the water temperature in Cedar Island for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Cedar Island, 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 177.4°F82.9°F77.4°F83.3°F
September 276.5°F82.2°F76.5°F83.3°F
September 375.9°F80.8°F75.9°F83.8°F
September 476.5°F79.2°F76.5°F84°F
September 5 78.8°F78.8°F84.4°F
September 6 78.3°F78.3°F84.4°F
September 7 77.7°F77.7°F84.2°F
September 8 77.7°F77.7°F84.4°F
September 9 76.6°F76.6°F84°F
September 10 74.3°F74.3°F84.6°F
September 11 74.5°F74.5°F84.6°F
September 12 74.8°F74.8°F84.9°F
September 13 75.2°F75.2°F84.4°F
September 14 75.9°F75.9°F83.8°F
September 15 76.8°F76.8°F83.1°F
Day 2025 2024 Min Max
September 16 77°F77°F82°F
September 17 78.4°F77.7°F81.1°F
September 18 78.1°F77.4°F81.7°F
September 19 78.3°F76.6°F81.5°F
September 20 77°F76.1°F81°F
September 21 75.2°F75.2°F81°F
September 22 75.4°F73.9°F80.4°F
September 23 75.9°F74.1°F81.1°F
September 24 74.7°F74.3°F80.8°F
September 25 76.5°F74.5°F80.4°F
September 26 76.5°F73.8°F80.2°F
September 27 76.1°F74.3°F80.6°F
September 28 77.4°F74.3°F80.2°F
September 29 79.2°F74.5°F80.4°F
September 30 79.3°F73.6°F79.3°F
Cedar Island water temp chart in September

Average water temperature in Cedar Island in September over a decade

20152016201720182019
79.7°F79.7°F78.1°F82.4°F79.2°F
20202021202220232024
79.2°F79.2°F79.9°F79.3°F77.4°F

Cedar Island sea state in September

Chart comparing the height of waves in Cedar Island 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 Cedar Island in September

Cedar Island 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
Portsmouth79.5°F73.8°F84.7°F
Davis79.7°F74.5°F84.6°F
Beaufort79.7°F74.1°F84.9°F
Minnesott Beach79°F71.6°F85.5°F
Pamlico Sound78.6°F70.5°F85.3°F
Rose Bay78.4°F70.7°F86°F
Morehead City79.7°F74.3°F84.4°F
Pine Knoll Shores79.9°F74.3°F84.4°F
Engelhard78.4°F70.5°F85.8°F
Neuse Forest79°F73°F85.1°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 Cedar Island 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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