Current sea water temperature:
+84.7°F
| Minimum sea water temperature in September: | 86.9°F |
| Maximum sea water temperature in September: | 83.1°F |
| Average sea water temperature in September: | 84.5°F |
| more information | |
14 days
forecast
forecast
| Port St. Lucie |
monthly
weather
weather
| Port St. Lucie |
Sea water temperature for the last 10 days:
| September 13 | 84.7°F | September 8 | 84.6°F |
| September 12 | 85.3°F | September 7 | 84.7°F |
| September 11 | 85.5°F | September 6 | 84.7°F |
| September 10 | 84.6°F | September 5 | 84.2°F |
| September 9 | 84.6°F | September 4 | 84.9°F |
Monthly sea water temperature, °F
When is the warmest sea in Port St. Lucie?
Based on the data about daily sea water temperature for the last three years the warmest sea in Port St. Lucie was noticed in August, September and July.
Monthly Sea Temperatures in Port St. Lucie, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 85.3°F. The highest and lowest sea temperatures during the month were 86.7°F and 83.5°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 84.3°F. The highest and lowest sea temperatures during the month were 85.6°F and 83.1°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 85.2°F. The highest and lowest sea temperatures during the month were 86.5°F and 83.7°F.
current
weather
weather
| Port St. Lucie |
weather in
September
September
| Port St. Lucie |
Best time for vacation in Port St. Lucie
Port St. Lucie on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Port St. Lucie
Local time: 21:16
September 14, monday
0000
81°F
N
8 mph
8 mph
0300
79°F
NE
6 mph
6 mph
0600
77°F
NE
5 mph
5 mph
0900
81°F
NE
4 mph
4 mph
1200
88°F
W
4 mph
4 mph
1500
88°F
W
9 mph
9 mph
1800
86°F
W
8 mph
8 mph
2100
82°F
NW
7 mph
7 mph
