Martha's Vineyard Weather: September
 |
Average Day Temperature: | 71.4°F |
|
Average Night Temperature: | 66.6°F |
|
Sea Water Temperature: | 70.9°F |
|
Number of Sunny Days: | 12 days |
| Sunshine Hours: | 11.8 - 13.1 hours | |
|
Number of Rainy Days: | 2 days |
| Precipitation Totals: | 1.1 in | |
| detailed information | ||
forecast
| Martha's Vineyard |
Temperature
| Martha's Vineyard |
Air Temperature in September, °F
The highest day temperature in September 2026 was 86°F. The lowest night temperature was 57°F. The average values for day and night temperatures during September were 71.4°F и 64.2°F respectivly.
Martha's Vineyard Water Sea Temperature in September, °F
The average sea surface temperature in September 2026 for Martha's Vineyard was 69.6°F. The maximum and minimum values were 63.4°F and 73.0°F respectively.
You can expect various weather conditions during September. Be ready for sunny, cloudy or even gloomy days.
Precipitation Totals in September, in
Precipitation total in September for Martha's Vineyard is 1.1 in.
The average wind speed in September is 11.9 mph. It makes September one of the most windless months of the year for Martha's Vineyard.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Martha's Vineyard in September is 7.1 hours.
Martha's Vineyard on the Weather Map
| Boston |  |
+58 |
| Chicago | |
+62 |
| Hawaii |  |
+82 |
| Houston |  |
+86 |
| Las Vegas |  |
+92 |
| Los Angeles | |
+100 |
| Maui | |
+74 |
| Miami | |
+88 |
| Myrtle Beach | |
+70 |
| New York | |
+62 |
| San Diego | |
+84 |
| San Francisco | |
+66 |
| Santa Monica | |
+94 |
| Sarasota | |
+84 |
| Washington | |
+64 |
| 2100 |  |
60°F | SE 22 mph |
| 0000 | |
56°F | SE 19 mph |
| 0300 | |
54°F | SE 19 mph |
| 0600 | |
50°F | SE 21 mph |
| 0900 |  |
48°F | SE 17 mph |
| 1200 | |
54°F | SE 14 mph |
| 1500 | |
60°F | E 16 mph |
| 1800 | |
60°F | SE 16 mph |