Water temperature in Calumet Park (IL) in September

Is it warm enough to swim in Calumet Park in September? Average water temperature in Calumet Park in September is 69.3°F and therefore suitable for comfortable swimming. The warmest water in Calumet Park in September is 75.2°F, and the coldest is 63.3°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Calumet Park

Changes water temperature in Calumet Park in September 2025, 2024

To get an accurate forecast for the water temperature in Calumet Park for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Calumet Park, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of September.

Average water temperature in Calumet Park in September over a decade

You can also view information about water temperature for other months by clicking on the month button below

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

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Our report for Calumet Park 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.