Current sea water temperature:
+73.2°F
| Minimum sea water temperature in September: | 77.5°F |
| Maximum sea water temperature in September: | 66.2°F |
| Average sea water temperature in September: | 71.5°F |
| more information | |
14 days
forecast
forecast
| New Haven |
monthly
weather
weather
| New Haven |
Sea water temperature for the last 10 days:
| September 19 | 73.2°F | September 14 | 72.1°F |
| September 18 | 71.2°F | September 13 | 72.1°F |
| September 17 | 70.9°F | September 12 | 72.7°F |
| September 16 | 71.1°F | September 11 | 72.0°F |
| September 15 | 72.3°F | September 10 | 72.1°F |
Monthly sea water temperature, °F
When is the warmest sea in New Haven?
Based on the data about daily sea water temperature for the last three years the warmest sea in New Haven was noticed in August, July and September.
Monthly Sea Temperatures in New Haven, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 74.9°F. The highest and lowest sea temperatures during the month were 77.7°F and 73.0°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 71.9°F. The highest and lowest sea temperatures during the month were 74.5°F and 69.8°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 72.6°F. The highest and lowest sea temperatures during the month were 74.3°F and 70.9°F.
current
weather
weather
| New Haven |
weather in
September
September
| New Haven |
Best time for vacation in New Haven
New Haven on a weather map
Places in USA:
Name
°F
24 Hours Forecast
New Haven
Local time: 06:11
September 19, saturday
0900
57°F
SW
12 mph
12 mph
1200
63°F
W
6 mph
6 mph
1500
64°F
NW
6 mph
6 mph
1800
63°F
NW
6 mph
6 mph
2100
61°F
NW
8 mph
8 mph
September 20, sunday
0000
61°F
NW
9 mph
9 mph
0300
61°F
NW
7 mph
7 mph
0600
61°F
NW
7 mph
7 mph
