Swimming in Jacksonville in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Jacksonville in september 2025.
In september, according to seasonal norms, the sea temperature in Jacksonville is:
Minimum: 81°F
Average: 83°F
Maximum: 85°F
Other useful seasonal weather averages in september:
- Outside temperature: 76°F to 89°F
- Most common weather: "Clear/Sunny"
- The wind blows at 15.5mph
- It rains a total of 7in, over 10 day(s).
Should we swim in Jacksonville in september?
Yes! The water temperature in Jacksonville in september is ideal
In september, swimming is ideal on the beaches around Jacksonville! With water reaching 85°F at most and 83°F on average, spending time in the water is very pleasant.
Note also that in september, the climate is good with an average outside temperature of 82°F, 6.9in of precipitation (over 10 days) and 85.64 % humidity.
Water and normal seasonal temperatures in Jacksonville in september
| September | |||
| Average sea temperature | 83°F | ||
| Minimum sea temperature | 81°F | ||
| Maximum sea temperature | 85°F | ||
| Average outside temperature | 83°F | ||
| Maximum outside temperature | 90°F | ||
| Minimum outside temperature | 77°F | ||
| Wind speed | 8.7mph | ||
| Wind temperature | 77°F | ||
| Precipitation | 7in | ||
| Number of days of rain | 10 jour(s) (33%) | ||
| Humidity | 86% | ||
| Visibility in kilometers | 9.32km | ||
| Cloud cover | 33% | ||
| Our opinion | ideal swimming |
Chart of the tides in september 2025
Tide times in september 2025 in Jacksonville
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 | Key Largo in september | 86°F | 87°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 |