Average sea water temperature in September:
+85.4°F
| Minimum sea water temperature in September: | 87.8°F |
| Maximum sea water temperature in September: | 83.7°F |
Daily sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 85.9°F. The highest and lowest sea temperatures during the month were 86.7°F and 85.3°F.
Monthly sea water temperature in Ponce, °F
Which Puerto Rico resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Ponce | 85.9°F | 86.3°F |
| Mayaguez | 85.8°F | 86.1°F |
| Aguadilla | 85.6°F | 86.1°F |
| Arecibo | 85.6°F | 85.8°F |
| Isabella | 85.6°F | 85.9°F |
| San Juan | 85.4°F | 85.7°F |
Best time for vacation in Ponce
Ponce on a weather map
Places in Puerto Rico:
Name
°F
24 Hours Forecast
Ponce
Local time: 13:59
November 01, sunday
1500

86°F
NW
16 mph
16 mph
1800

82°F
W
10 mph
10 mph
2100

79°F
SW
6 mph
6 mph
November 02, monday
0000

79°F
SW
6 mph
6 mph
0300

79°F
SW
6 mph
6 mph
0600

77°F
SW
6 mph
6 mph
0900

84°F
W
8 mph
8 mph
1200

86°F
NW
14 mph
14 mph



























