Current sea water temperature:
+85.8°F
| Minimum sea water temperature in September: | 86.7°F |
| Maximum sea water temperature in September: | 82.6°F |
| Average sea water temperature in September: | 84.7°F |
| more information | |
14 days
forecast
forecast
| San Juan |
monthly
weather
weather
| San Juan |
Sea water temperature for the last 10 days:
| September 7 | 85.8°F | September 2 | 85.8°F |
| September 6 | 85.5°F | September 1 | 85.6°F |
| September 5 | 85.6°F | August 31 | 85.6°F |
| September 4 | 85.6°F | August 30 | 86.2°F |
| September 3 | 85.8°F | August 29 | 86.0°F |
Monthly sea water temperature, °F
When is the warmest sea in San Juan?
Based on the data about daily sea water temperature for the last three years the warmest sea in San Juan was noticed in September, October and August.
Monthly Sea Temperatures in San Juan, °F
Sea water temperature in September, °F
Show year:
2023
2022
2021
The average sea water temperature in September of 2023 was 86.2°F. The highest and lowest sea temperatures during the month were 86.7°F and 85.6°F.
Sea water temperature in October, °F
Show year:
2023
2022
2021
The average sea water temperature in October of 2023 was 86.1°F. The highest and lowest sea temperatures during the month were 86.7°F and 85.1°F.
Sea water temperature in August, °F
Show year:
2024
2023
2022
The average sea water temperature in August of 2024 was 85.3°F. The highest and lowest sea temperatures during the month were 86.2°F and 84.7°F.
current
weather
weather
| San Juan |
weather in
September
September
| San Juan |
Best time for vacation in San Juan
San Juan on a weather map
Places in Puerto Rico:
Name
°F
24 Hours Forecast
San Juan
Local time: 23:37
September 08, sunday
0000
81°F
W
9 mph
9 mph
0300
81°F
NW
7 mph
7 mph
0600
79°F
NW
6 mph
6 mph
0900
84°F
W
8 mph
8 mph
1200
86°F
W
12 mph
12 mph
1500
86°F
W
15 mph
15 mph
1800
82°F
W
14 mph
14 mph
2100
81°F
W
10 mph
10 mph
