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Water temperature in Pierre (SD) in September

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Is it warm enough to swim in Pierre in September? Average water temperature in Pierre in September is 72.9°F and therefore suitable for comfortable swimming. The warmest water in Pierre in September is 86°F, and the coldest is 66.2°F. To find out the water temperature today and in the coming days, go to Current water temperature in Pierre

Changes water temperature in Pierre in September 2025, 2024

To get an accurate forecast for the water temperature in Pierre 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 169.8°F75.2°F
September 268°F75.2°F
September 366.2°F71.6°F
September 462.6°F69.8°F
September 562.6°F71.6°F
September 6 71.6°F
September 7 71.6°F
September 8 71.6°F
September 9 71.6°F
September 10 73.4°F
September 11 73.4°F
September 12 73.4°F
September 13 66.2°F
September 14 69.8°F
September 15 73.4°F
Day 2025 2024
September 16 75.2°F
September 17 71.6°F
September 18 71.6°F
September 19 73.4°F
September 20 69.8°F
September 21 69.8°F
September 22 68°F
September 23 66.2°F
September 24 66.2°F
September 25 68°F
September 26 68°F
September 27 66.2°F
September 28 69.8°F
September 29 71.6°F
September 30 66.2°F

Pierre 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 Pierre 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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