World sea water temperatures

Water temperature in Apalachicola (FL) in September

Is it warm enough to swim in Apalachicola in September? Average water temperature in Apalachicola in September is 83.7°F and therefore suitable for comfortable swimming. The warmest sea in Apalachicola in September is 87.1°F, and the coldest is 78.6°F. Average high air temperature in Apalachicola in September is 89°F, and average low temperature is 71°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Apalachicola

Changes water temperature in Apalachicola in September 2025, 2024

To get an accurate forecast for the water temperature in Apalachicola for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Apalachicola, 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 184°F86.9°F82.2°F87.1°F
September 283.8°F86.4°F82.2°F86.9°F
September 382.8°F87.1°F82.2°F87.1°F
September 482.8°F86.7°F82.4°F86.7°F
September 5 86.4°F82.8°F86.9°F
September 6 86.2°F83.1°F86.7°F
September 7 85.8°F82.8°F86.9°F
September 8 85.5°F82.8°F86.5°F
September 9 85.5°F82.8°F86.7°F
September 10 85.1°F82.8°F86.4°F
September 11 85.1°F82.4°F86.4°F
September 12 84.4°F82.2°F86.4°F
September 13 83.1°F81.7°F86.4°F
September 14 81.9°F80.8°F86.2°F
September 15 81.9°F80.4°F86.2°F
Day 2025 2024 Min Max
September 16 81.1°F80.8°F86.2°F
September 17 81.3°F81.1°F86.7°F
September 18 82°F81.3°F86.9°F
September 19 82.6°F81.7°F86.7°F
September 20 83.7°F81.7°F86.9°F
September 21 83.7°F81.1°F86.5°F
September 22 83.8°F81°F86.4°F
September 23 84°F81.3°F85.5°F
September 24 84.4°F81.5°F85.6°F
September 25 84°F79.7°F85.8°F
September 26 83.5°F79.9°F85.6°F
September 27 81.9°F79.9°F85.6°F
September 28 78.6°F78.6°F85.3°F
September 29 80.6°F79.7°F85.3°F
September 30 80.1°F79.3°F85.5°F
Apalachicola water temp chart in September

Average water temperature in Apalachicola in September over a decade

20152016201720182019
83.1°F84.6°F82.8°F85.3°F84.7°F
20202021202220232024
83.5°F82.8°F84°F84°F83.8°F

Apalachicola sea state in September

Chart comparing the height of waves in Apalachicola 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 Apalachicola in September

Weather and climate in Apalachicola in September

This data display average monthly climate indicators in Apalachicola in September based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

  • Average HIGH temperature89°F
  • Average LOW temperature71°F
  • Average rainfall days9 days
  • Average rainfall180mm/7.1''
  • Average sunshine8.4h

Apalachicola 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
Eastpoint83.8°F78.8°F87.1°F
St George Island84°F79.2°F87.3°F
Cape San Blas84°F79°F87.4°F
Port Saint Joe83.8°F79.3°F87.6°F
Highland View83.8°F79.5°F87.4°F
Carrabelle83.8°F78.8°F87.8°F
Mexico Beach83.8°F79.5°F87.6°F
Lanark Village83.8°F78.6°F87.6°F
Saint Teresa83.7°F78.3°F87.4°F
Ochlockonee Bay83.7°F78.1°F87.4°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 Apalachicola 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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