Click on a day for an hourly weather forecast
The temperatures in Vineyard Haven in September are comfortable with low of 18°C and and high up to 21°C.
You can expect about 3 to 8 days of rain in Vineyard Haven during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Vineyard Haven in September 2025.
If you’re planning to visit Vineyard Haven in the near future, we highly recommend that you review the 14 day weather forecast for Vineyard Haven before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -1° | 7 | 15 | 9 | 118 mm | Awful | Vineyard Haven in January |
| February | 3° / -1° | 7 | 14 | 7 | 117 mm | Awful | Vineyard Haven in February |
| March | 5° / 2° | 7 | 18 | 6 | 120 mm | Awful | Vineyard Haven in March |
| April | 9° / 6° | 7 | 22 | 1 | 117 mm | Bad | Vineyard Haven in April |
| May | 14° / 11° | 6 | 25 | 0 | 108 mm | Good | Vineyard Haven in May |
| June | 18° / 16° | 6 | 24 | 0 | 110 mm | Good | Vineyard Haven in June |
| July | 23° / 20° | 6 | 25 | 0 | 124 mm | Perfect | Vineyard Haven in July |
| August | 23° / 21° | 5 | 26 | 0 | 113 mm | Perfect | Vineyard Haven in August |
| September | 21° / 18° | 4 | 26 | 0 | 90 mm | Good | Vineyard Haven in September |
| October | 16° / 13° | 6 | 25 | 0 | 144 mm | Good | Vineyard Haven in October |
| November | 11° / 8° | 6 | 23 | 1 | 94 mm | Ok | Vineyard Haven in November |
| December | 7° / 3° | 7 | 18 | 5 | 119 mm | Awful | Vineyard Haven in December |