World Resorts USA Martha's Vineyard Weather

Martha's Vineyard weather in September

Weather in Martha's Vineyard: September

Average day temperature: 68.9°F
Average night temperature: 65.8°F
Sea water temperature: 69.3°F
Number of sunny days: 14 days
Day length: 11.8 - 13.1 hours
Number of rainy days: 2 days
Precipitation totals: 1.1 in.

Air temperature in September, °F

Show year:
2024
2023
2022

The highest day temperature during September of 2024 was 76°F. At the same time the lowest night temperature was 57°F. Day and night temperature averages during September were 67.7°F and 63.2°F.

Sea water temperature in Martha's Vineyard in September, °F

Show year:
2024
2023
2022

The average sea water temperature in September of 2024 was 66.0°F. The highest and lowest sea temperatures during the month were 68.7°F and 62.2°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Martha's Vineyard in September is 1.1 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 11.9 mph It makes September one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 7.5.

Best time for vacation in Martha's Vineyard

Sunniest months:
November 15 days
September 14 days
June 14 days
Warmest months:
July 73.9 °F
August 73.4 °F
September 68.9 °F
Warmest sea temp:
August 72.5 °F
July 71.0 °F
September 69.3 °F
Coldest months:
February 37.0 °F
January 37.4 °F
March 41.4 °F
Rainiest months:
January 4 days
November 3 days
July 3 days
Windiest months:
March 14.6 mph
December 14.0 mph
January 13.7 mph

Martha's Vineyard on a weather map

Martha's Vineyard
+48°F
W 21 mph
Feels like: +43°F
Precip.: 0%
Places in USA:
Name
°F
+48°F
+50°F
+75°F
+75°F
+59°F
+70°F
+77°F
+70°F
+46°F
+63°F
+57°F
+73°F
+72°F
+66°F
+34°F
24 Hours Forecast
Martha's Vineyard
Local time: 13:40
November 21, thursday
1500
48°F
W
21 mph
1800
50°F
W
25 mph
2100
52°F
W
27 mph
November 22, friday
0000
50°F
N
21 mph
0300
48°F
NE
28 mph
0600
48°F
NE
18 mph
0900
48°F
NE
14 mph
1200
48°F
N
6 mph
Units of measurement: °C / °F