Current sea water temperature:
+85.5°F
| Minimum sea water temperature in September: | 87.8°F |
| Maximum sea water temperature in September: | 82.9°F |
| Average sea water temperature in September: | 85.0°F |
| more information | |
14 days
forecast
forecast
| San Diego |
monthly
weather
weather
| San Diego |
Sea water temperature for the last 10 days:
| September 24 | 85.5°F | September 19 | 85.5°F |
| September 23 | 85.3°F | September 18 | 86.7°F |
| September 22 | 84.9°F | September 17 | 86.0°F |
| September 21 | 85.6°F | September 16 | 84.9°F |
| September 20 | 85.1°F | September 15 | 85.3°F |
Monthly sea water temperature, °F
When is the warmest sea in San Diego?
Based on the data about daily sea water temperature for the last three years the warmest sea in San Diego was noticed in September, October and May.
Monthly Sea Temperatures in San Diego, °F
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 85.4°F. The highest and lowest sea temperatures during the month were 86.7°F and 84.6°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 84.4°F. The highest and lowest sea temperatures during the month were 85.3°F and 83.8°F.
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 85.4°F. The highest and lowest sea temperatures during the month were 86.9°F and 84.0°F.
current
weather
weather
| San Diego |
weather in
September
September
| San Diego |
Best time for vacation in San Diego
San Diego on a weather map
Places in Nicaragua:
Name
°F
24 Hours Forecast
San Diego
Local time: 16:40
September 24, thursday
1800
82°F
W
7 mph
7 mph
2100
81°F
W
9 mph
9 mph
September 25, friday
0000
79°F
W
8 mph
8 mph
0300
79°F
W
7 mph
7 mph
0600
77°F
W
6 mph
6 mph
0900
86°F
W
8 mph
8 mph
1200
88°F
NW
9 mph
9 mph
1500
86°F
N
9 mph
9 mph
