Current sea water temperature:
+85.3°F
| Minimum sea water temperature in September: | 87.3°F |
| Maximum sea water temperature in September: | 81.5°F |
| Average sea water temperature in September: | 84.8°F |
| more information | |
14 days
forecast
forecast
| Arecibo |
monthly
weather
weather
| Arecibo |
Sea water temperature for the last 10 days:
| September 4 | 85.3°F | August 30 | 84.6°F |
| September 3 | 85.1°F | August 29 | 84.6°F |
| September 2 | 84.9°F | August 28 | 84.6°F |
| September 1 | 84.9°F | August 27 | 84.2°F |
| August 31 | 84.9°F | August 26 | 84.4°F |
Monthly sea water temperature, °F
When is the warmest sea in Arecibo?
Based on the data about daily sea water temperature for the last three years the warmest sea in Arecibo was noticed in October, September and August.
Monthly Sea Temperatures in Arecibo, °F
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 85.4°F. The highest and lowest sea temperatures during the month were 85.8°F and 84.6°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 85.8°F. The highest and lowest sea temperatures during the month were 86.2°F and 85.3°F.
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 84.1°F. The highest and lowest sea temperatures during the month were 84.9°F and 83.1°F.
current
weather
weather
| Arecibo |
weather in
September
September
| Arecibo |
Best time for vacation in Arecibo
Arecibo on a weather map
Places in Puerto Rico:
Name
°F
24 Hours Forecast
Arecibo
Local time: 13:47
September 04, friday
1500

84°F
SW
14 mph
14 mph
1800

82°F
SW
12 mph
12 mph
2100

81°F
NW
9 mph
9 mph
September 05, saturday
0000

79°F
NW
7 mph
7 mph
0300

77°F
NW
6 mph
6 mph
0600

77°F
NW
6 mph
6 mph
0900

82°F
W
9 mph
9 mph
1200

86°F
SW
16 mph
16 mph



























