World sea water temperatures

Water temperature in Greencastle (IN) in September

Home > United States > Indiana > Greencastle

Is it warm enough to swim in Greencastle in September? Average water temperature in Greencastle in September is 69.3°F and therefore suitable for comfortable swimming. The warmest water in Greencastle in September is 77°F, and the coldest is 59°F. To find out the water temperature today and in the coming days, go to Current water temperature in Greencastle

Changes water temperature in Greencastle in September 2025, 2024

To get an accurate forecast for the water temperature in Greencastle 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 166.2°F73.4°F
September 266.2°F71.6°F
September 366.2°F71.6°F
September 464.4°F71.6°F
September 564.4°F68°F
September 662.6°F66.2°F
September 7 64.4°F
September 8 66.2°F
September 9 66.2°F
September 10 66.2°F
September 11 64.4°F
September 12 66.2°F
September 13 69.8°F
September 14 71.6°F
September 15 71.6°F
Day 2025 2024
September 16 71.6°F
September 17 73.4°F
September 18 73.4°F
September 19 73.4°F
September 20 73.4°F
September 21 71.6°F
September 22 71.6°F
September 23 69.8°F
September 24 69.8°F
September 25 68°F
September 26 68°F
September 27 68°F
September 28 66.2°F
September 29 66.2°F
September 30 66.2°F

Greencastle 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

Indiana photo gallery

  • Snow is Melting
  • Indiana

If you have interesting photos of this place, you can upload them here. Photos will be available to all users after verification by the moderator.

Vote for Indiana best beach

Current rating: (0 votes cast)

If you know this place (Greencastle) and want to leave your comment or rate it, then fill out the following form.

Your rating for this place:

Does this place have a "Blue Flag" award [1], are there rip currents and what type of beach is it, sand or pebble:

Is the beach a dog-friendly place, child friendly or a nudist beach?


Your comments for this place (water quality, crowds, facilities, activities, lifeguards, service etc.):



[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.

Get widget or API for your website

Our report for Greencastle 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.

Contact us: admin@seatemperature.info
privacy policy