Swimming in Key Largo in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Key Largo in september 2025.
In september, according to seasonal norms, the sea temperature in Key Largo is:
Minimum: 85°F
Average: 86°F
Maximum: 87°F
Other useful seasonal weather averages in september:
- Outside temperature: 83°F to 85°F
- Most common weather: "Clear/Sunny"
- The wind blows at 18mph
- It rains a total of 11.9in, over 17 day(s).
Should we swim in Key Largo in september?
Yes! The water temperature in Key Largo in september is ideal
In september, swimming is ideal on the beaches around Key Largo! With water reaching 87°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, 11.9in of precipitation (over 17 days) and 75.35 % humidity.
Water and normal seasonal temperatures in Key Largo in september
| September | |||
| Average sea temperature | 86°F | ||
| Minimum sea temperature | 85°F | ||
| Maximum sea temperature | 87°F | ||
| Average outside temperature | 85°F | ||
| Maximum outside temperature | 86°F | ||
| Minimum outside temperature | 85°F | ||
| Wind speed | 11.8mph | ||
| Wind temperature | 85°F | ||
| Precipitation | 11.9in | ||
| Number of days of rain | 17 jour(s) (57%) | ||
| Humidity | 76% | ||
| Visibility in kilometers | 9.18km | ||
| Cloud cover | 31% | ||
| Our opinion | ideal swimming |
Chart of the tides in september 2025
Tide times in september 2025 in Key Largo
Swim elsewhere in Florida in september
| City | Average T° | Min. T° | Max. T° | Our opinion | Miami in september | 86°F | 87°F | ideal swimming | Key West in september | 86°F | 88°F | ideal swimming | St. Augustine in september | 83°F | 85°F | ideal swimming | Tampa in september | 85°F | 87°F | ideal swimming | Anna Maria Island in september | 85°F | 87°F | ideal swimming | Boynton Beach in september | 85°F | 87°F | ideal swimming | Captiva Island in september | 86°F | 88°F | ideal swimming | Clearwater in september | 85°F | 87°F | ideal swimming | Cocoa Beach in september | 84°F | 86°F | ideal swimming | Fort Lauderdale in september | 86°F | 87°F | ideal swimming | Fort Pierce in september | 85°F | 86°F | ideal swimming | Fort Walton Beach in september | 84°F | 86°F | ideal swimming | Jacksonville in september | 83°F | 85°F | ideal swimming | New Smyrna Beach in september | 84°F | 86°F | ideal swimming | Sanibel Island in september | 86°F | 88°F | ideal swimming | St Petersburg in september | 85°F | 87°F | ideal swimming | Vero Beach in september | 84°F | 86°F | ideal swimming | Daytona Beach in september | 84°F | 86°F | ideal swimming | Fernandina Beach in september | 83°F | 85°F | ideal swimming | Fort Myers in september | 85°F | 87°F | ideal swimming |