Swimming in St. Augustine in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in St. Augustine in september 2025.
In september, according to seasonal norms, the sea temperature in St. Augustine is:
Minimum: 82°F
Average: 83°F
Maximum: 85°F
Other useful seasonal weather averages in september:
- Outside temperature: 77°F to 87°F
- Most common weather: "Clear/Sunny"
- The wind blows at 15.5mph
- It rains a total of 9.3in, over 13 day(s).
Should we swim in St. Augustine in september?
Yes! The water temperature in St. Augustine in september is ideal
In september, swimming is ideal on the beaches around St. Augustine! 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 tolerable with an average outside temperature of 82°F, 9.3in of precipitation (over 13 days) and 83.52 % humidity.
Water and normal seasonal temperatures in St. Augustine in september
| September | |||
| Average sea temperature | 83°F | ||
| Minimum sea temperature | 82°F | ||
| Maximum sea temperature | 85°F | ||
| Average outside temperature | 83°F | ||
| Maximum outside temperature | 88°F | ||
| Minimum outside temperature | 77°F | ||
| Wind speed | 9.9mph | ||
| Wind temperature | 77°F | ||
| Precipitation | 9.3in | ||
| Number of days of rain | 13 jour(s) (42%) | ||
| Humidity | 84% | ||
| Visibility in kilometers | 9.37km | ||
| Cloud cover | 33% | ||
| Our opinion | ideal swimming |
Chart of the tides in september 2025
Tide times in september 2025 in St. Augustine
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 | 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 | 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 |