World Resorts USA Martha's Vineyard Weather

Martha's Vineyard Sea Temperature in September

Average sea water temperature in September:
+68.8°F
Minimum sea water temperature in September: 74.3°F
Maximum sea water temperature in September: 62.1°F

Daily sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 67.6°F. The highest and lowest sea temperatures during the month were 70.7°F and 62.1°F.

Monthly sea water temperature in Martha's Vineyard, °F

Which USA resorts have warmest sea in September?

Place name September 2026 September 2025
Key West 87.8°F 86.9°F
Key Largo 87.2°F 86.6°F
Naples 87.0°F 86.1°F
Houston 86.9°F 84.9°F
Siesta Key 86.9°F 84.9°F
Corpus Christi 86.8°F 85.8°F
Sarasota 86.8°F 84.8°F
West Palm Beach 86.6°F 86.2°F
Fort Lauderdale 86.6°F 86.4°F
New Orleans 86.4°F 84.3°F
Orange Beach 86.0°F 84.0°F
Pensacola Beach 85.9°F 83.9°F
Tampa 85.9°F 84.3°F
Clearwater Beach 85.9°F 84.0°F
Miami Beach 85.8°F 86.1°F
Panama City Beach 85.8°F 83.4°F
Fort Walton Beach 85.7°F 83.3°F
Pensacola 85.7°F 83.9°F
Destin 85.6°F 83.1°F
Santa Rosa Beach 85.5°F 83.4°F

Best time for vacation in Martha's Vineyard

Sunniest months:
November 15 days
October 14 days
June 14 days
Warmest months:
July 74.9 °F
August 74.3 °F
September 69.3 °F
Warmest sea temp:
August 71.7 °F
July 70.3 °F
September 68.8 °F
Coldest months:
February 36.5 °F
January 36.6 °F
December 42.4 °F
Rainiest months:
January 3 days
October 3 days
July 2 days
Windiest months:
December 14.5 mph
January 14.5 mph
November 14.4 mph

Martha's Vineyard on a weather map

Martha's Vineyard
+61°F
SW 4 mph
Feels like: +61°F
Precip.: 13%
Places in USA:
Name
°F
+63°F
+66°F
+77°F
+75°F
+70°F
+82°F
+61°F
+64°F
+70°F
+61°F
+70°F
+75°F
+81°F
+66°F
24 Hours Forecast
Martha's Vineyard
Local time: 08:50
September 30, wednesday
0900
61°F
SW
4 mph
1200
63°F
N
2 mph
1500
64°F
N
5 mph
1800
64°F
N
6 mph
2100
63°F
NE
7 mph
October 01, thursday
0000
63°F
NE
8 mph
0300
63°F
NE
9 mph
0600
64°F
NE
9 mph
Units of measurement: °C / °F