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Water temperature in Baton Rouge (LA) in September

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Is it warm enough to swim in Baton Rouge in September? Average water temperature in Baton Rouge in September is 79°F and therefore suitable for comfortable swimming. The warmest water in Baton Rouge in September is 84.2°F, and the coldest is 71.6°F. To find out the water temperature today and in the coming days, go to Current water temperature in Baton Rouge

Changes water temperature in Baton Rouge in September 2025, 2024

To get an accurate forecast for the water temperature in Baton Rouge for any chosen month, compare two years within a 10 year range using the chart below.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024
September 180.6°F82.4°F
September 280.6°F80.6°F
September 380.6°F80.6°F
September 482.4°F80.6°F
September 580.6°F78.8°F
September 680.6°F78.8°F
September 780.6°F77°F
September 880.6°F77°F
September 980.6°F77°F
September 1080.6°F75.2°F
September 1180.6°F77°F
September 1280.6°F77°F
September 1380.6°F77°F
September 1482.4°F77°F
September 1582.4°F77°F
Day 2025 2024
September 1682.4°F78.8°F
September 1780.6°F78.8°F
September 1880.6°F80.6°F
September 1980.6°F80.6°F
September 2080.6°F80.6°F
September 2180.6°F80.6°F
September 2280.6°F80.6°F
September 2380.6°F80.6°F
September 2478.8°F80.6°F
September 2578.8°F78.8°F
September 2678.8°F78.8°F
September 2778.8°F78.8°F
September 2878.8°F77°F
September 29 77°F
September 30 77°F

Baton Rouge 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

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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 Baton Rouge 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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