World Resorts Puerto Rico Isabella Weather

Isabella Sea Temperature in September

Average sea water temperature in September:
+84.9°F
Minimum sea water temperature in September: 87.3°F
Maximum sea water temperature in September: 83.3°F

Daily sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 85.6°F. The highest and lowest sea temperatures during the month were 86.4°F and 84.9°F.

Monthly sea water temperature in Isabella, °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 Isabella

Sunniest months:
January 13 days
December 13 days
February 11 days
Warmest months:
August 86.2 °F
September 85.7 °F
July 85.6 °F
Warmest sea temp:
September 84.9 °F
October 84.9 °F
August 84.2 °F
Coldest months:
January 80.4 °F
February 80.5 °F
March 80.8 °F
Rainiest months:
May 10 days
August 8 days
June 8 days
Windiest months:
July 13.5 mph
February 12.9 mph
December 12.8 mph

Isabella on a weather map

Current weather
22:57
Isabella
+77°F
NW 6 mph
Feels like: +81°F
Precip.: 7%
Places in Puerto Rico:
Name
°F
Aguadilla
+82°F
Arecibo
+77°F
Isabella
+77°F
Mayaguez
+81°F
Ponce
+79°F
San Juan
+81°F
24 Hours Forecast
Isabella
Local time: 22:57
October 08, thursday
0000
77°F
NW
6 mph
0300
77°F
NW
5 mph
0600
77°F
W
6 mph
0900
82°F
W
7 mph
1200
88°F
SW
9 mph
1500
84°F
W
11 mph
1800
82°F
W
6 mph
2100
79°F
W
9 mph
Units of measurement: °C / °F