World Resorts USA New Haven Weather

New Haven Sea Temperature in September

Average sea water temperature in September:
+71.4°F
Minimum sea water temperature in September: 77.5°F
Maximum sea water temperature in September: 66.2°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 70.6°F. The highest and lowest sea temperatures during the month were 72.9°F and 69.3°F.

Monthly sea water temperature in New Haven, °F

Which USA resorts have warmest sea in September?

Place name September 2025 September 2024
Key West 86.9°F 87.4°F
Fort Lauderdale 86.4°F 86.4°F
West Palm Beach 86.2°F 86.4°F
Miami Beach 86.1°F 86.3°F
Naples 86.1°F 87.2°F
Miami 85.8°F 86.0°F
Houston 84.9°F 83.4°F
Siesta Key 84.9°F 86.8°F
Sarasota 84.8°F 86.7°F
Cocoa Beach 84.6°F 85.2°F
Tampa 84.3°F 86.0°F
New Orleans 84.3°F 82.9°F
Clearwater Beach 84.0°F 86.2°F
Pensacola Beach 83.9°F 84.5°F
St. George Island 83.5°F 84.0°F
Panama City Beach 83.4°F 84.8°F
Santa Rosa Beach 83.4°F 84.8°F
Fort Walton Beach 83.3°F 84.5°F
Destin 83.1°F 84.5°F
Orlando 82.8°F 83.6°F

Best time for vacation in New Haven

Sunniest months:
November 16 days
September 14 days
June 14 days
Warmest months:
July 81.1 °F
August 78.7 °F
June 74.8 °F
Warmest sea temp:
August 74.3 °F
July 72.9 °F
September 71.4 °F
Coldest months:
January 35.8 °F
February 36.7 °F
December 40.5 °F
Rainiest months:
July 3 days
April 3 days
August 3 days
Windiest months:
January 10.4 mph
November 10.3 mph
December 10.2 mph

New Haven on a weather map

New Haven
+81°F
S 7 mph
Feels like: +82°F
Precip.: 4%
Places in USA:
Name
°F
+79°F
+88°F
+81°F
+108°F
+84°F
+82°F
+77°F
+81°F
+82°F
+79°F
+64°F
+77°F
+82°F
+82°F
+72°F
24 Hours Forecast
New Haven
Local time: 22:27
August 10, monday
0000
73°F
S
4 mph
0300
70°F
S
5 mph
0600
66°F
S
3 mph
0900
77°F
S
1 mph
1200
82°F
N
4 mph
1500
84°F
N
6 mph
1800
82°F
NW
4 mph
2100
72°F
S
6 mph
Units of measurement: °C / °F