World Resorts USA Port St. Lucie Weather

Port St. Lucie Sea Temperature in September

Average sea water temperature in September:
+84.5°F
Minimum sea water temperature in September: 86.9°F
Maximum sea water temperature in September: 83.1°F

Daily 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.

Monthly sea water temperature in Port St. Lucie, °F

Which USA resorts have warmest sea in September?

Place name September 2025 September 2024
Key West 86.9°F 87.4°F
Fort Lauderdale 86.4°F 86.4°F
West Palm Beach 86.2°F 86.4°F
Miami Beach 86.1°F 86.3°F
Naples 86.1°F 87.2°F
Corpus Christi 85.8°F 84.7°F
Miami 85.8°F 86.0°F
Houston 84.9°F 83.4°F
Siesta Key 84.9°F 86.8°F
Sarasota 84.8°F 86.7°F
Cocoa Beach 84.6°F 85.2°F
Tampa 84.3°F 86.0°F
New Orleans 84.3°F 82.9°F
St. Petersburg 84.1°F 86.1°F
Clearwater Beach 84.0°F 86.2°F
Panama City Beach 83.4°F 84.8°F
Destin 83.1°F 84.5°F
Orlando 82.8°F 83.6°F
Daytona Beach 82.7°F 83.2°F
St. Augustine 81.8°F 82.7°F

Best time for vacation in Port St. Lucie

Sunniest months:
March 15 days
December 14 days
May 13 days
Warmest months:
July 87.5 °F
August 87.5 °F
September 85.5 °F
Warmest sea temp:
August 84.9 °F
September 84.5 °F
July 83.9 °F
Coldest months:
January 70.3 °F
December 73.3 °F
February 74.1 °F
Rainiest months:
September 4 days
May 3 days
June 3 days
Windiest months:
November 11.5 mph
April 11.3 mph
March 11.1 mph

Port St. Lucie on a weather map

Port St. Lucie
+81°F
NE 6 mph
Feels like: +86°F
Precip.: 13%
Places in USA:
Name
°F
+81°F
+104°F
+73°F
+81°F
+82°F
+75°F
+81°F
+73°F
+68°F
+61°F
+66°F
+84°F
+84°F
+81°F
+59°F
24 Hours Forecast
Port St. Lucie
Local time: 21:34
June 22, monday
0000
77°F
NE
3 mph
0300
77°F
NE
4 mph
0600
75°F
N
4 mph
0900
81°F
N
4 mph
1200
88°F
N
4 mph
1500
90°F
NW
4 mph
1800
88°F
NW
9 mph
2100
82°F
NW
10 mph
Units of measurement: °C / °F