Swimming in Marco Island in september 2025: Average sea temperature in september and tide times in september 2025

Average sea temperature in Marco Island in september 2025.

In september, according to seasonal norms, the sea temperature in Marco Island is:

Minimum: 84°F

Average: 86°F

Maximum: 88°F

Other useful seasonal weather averages in september:

  • Outside temperature: 80°F to 88°F
  • Most common weather: "Clear/Sunny"
  • The wind blows at 16.8mph
  • It rains a total of 9in, over 16 day(s).

Should we swim in Marco Island in september?

Yes! The water temperature in Marco Island in september is ideal

In september, swimming is ideal on the beaches around Marco Island! With water reaching 88°F at most and 86°F on average, spending time in the water is very pleasant.

Note also that in september, the climate is tolerable with an average outside temperature of 84°F, 9in of precipitation (over 16 days) and 82.11 % humidity.

Water and normal seasonal temperatures in Marco Island in september

September
Average sea temperature 86°F
Minimum sea temperature 84°F
Maximum sea temperature 88°F
Average outside temperature 85°F
Maximum outside temperature 90°F
Minimum outside temperature 81°F
Wind speed 9.9mph
Wind temperature 81°F
Precipitation 9in
Number of days of rain 16 jour(s)
(52%)
Humidity 83%
Visibility in kilometers 9.32km
Cloud cover 28%
Our opinion ideal swimming

Chart of the tides in september 2025

Tide times in september 2025 in Marco Island

Swim elsewhere in Florida in september

City Average T° Max. T° Our opinion
Miami in september86°F87°Fideal swimming
Key West in september86°F88°Fideal swimming
St. Augustine in september83°F85°Fideal swimming
Tampa in september85°F87°Fideal swimming
Anna Maria Island in september85°F87°Fideal swimming
Boynton Beach in september85°F87°Fideal swimming
Captiva Island in september86°F88°Fideal swimming
Clearwater in september85°F87°Fideal swimming
Cocoa Beach in september84°F86°Fideal swimming
Fort Lauderdale in september86°F87°Fideal swimming
Fort Pierce in september85°F86°Fideal swimming
Fort Walton Beach in september84°F86°Fideal swimming
Jacksonville in september83°F85°Fideal swimming
Key Largo in september86°F87°Fideal swimming
New Smyrna Beach in september84°F86°Fideal swimming
Sanibel Island in september86°F88°Fideal swimming
St Petersburg in september85°F87°Fideal swimming
Vero Beach in september84°F86°Fideal swimming
Daytona Beach in september84°F86°Fideal swimming
Fernandina Beach in september83°F85°Fideal swimming
Fort Myers in september85°F87°Fideal swimming

Swim in Florida in september: sea temperature by city

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