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Wasque Point, Chappaquiddick Island, Martha's Vineyard, Massachusetts Sea Temperature in September

Massachusetts, United States

August Wasque Point, Chappaquiddick Island, Martha's Vineyard, Massachusetts year-round → October

Average sea temperature for Wasque Point, Chappaquiddick Island, Martha's Vineyard, Massachusetts, United States across September, based on 10 years of daily readings.

Average

20.41° C

High

23.76° C

Low

16.81° C

Water at this temperature is very pleasant to swim in. If you tend to wear a wetsuit when swimming, you might consider removing it now to avoid the body overheating.

September is the 3rd warmest of 12 months at Wasque Point, Chappaquiddick Island, Martha's Vineyard, Massachusetts. On average the water sits 8.0° than the year-round mean of 12.37° C.

Compared to August, September is 1.8° cooler than (22.24° C in August). By October the water is usually 16.64° C.

Wasque Point, Chappaquiddick Island, Martha's Vineyard, Massachusetts Day-by-Day Water Temperature in September

10-year low, average and high

15.5° C
17.9° C
20.3° C
22.6° C
25.0° C
1
5
10
15
20
25
30
Day-by-day low and high band with the 10-year daily average through September. Range Average

Each vertical bar above is one day of September. The shaded band covers the range the water has reached on that day across the last 10 years — the lowest reading at the bottom, the highest at the top. The line running through the bars is the daily average over those 10 years, so you can see the typical shape of the month at Wasque Point, Chappaquiddick Island, Martha's Vineyard, Massachusetts.

A narrow band means the temperature on that day has stayed close to the average year on year. A taller band means it has swung more, often because of changeable weather around that time of year. Hovering a day pulls up its low, average, and high.

September Water Temperature Table for Wasque Point, Chappaquiddick Island, Martha's Vineyard, Massachusetts

10-year daily averages

Day Average Low High
September 1 21.61° C 20.1° C 23.76° C
September 2 21.36° C 20.45° C 22.59° C
September 3 21.23° C 20.53° C 22.49° C
September 4 21.36° C 20.52° C 22.54° C
September 5 21.48° C 20.67° C 22.59° C
September 6 21.6° C 20.94° C 22.45° C
September 7 21.34° C 19.75° C 22.33° C
September 8 21.31° C 19.48° C 22.4° C
September 9 21.3° C 19.78° C 22.33° C
September 10 21.22° C 20.14° C 22.55° C
September 11 21.28° C 19.99° C 22.43° C
September 12 21.18° C 20.05° C 22.16° C
September 13 21.09° C 19.62° C 22.17° C
September 14 21.08° C 19.38° C 22.43° C
September 15 20.92° C 19.4° C 21.99° C
September 16 20.6° C 19.96° C 21.87° C
September 17 20.45° C 19.44° C 21.97° C
September 18 20.27° C 18.96° C 21.88° C
September 19 20.11° C 18.73° C 21.65° C
September 20 19.82° C 18.9° C 21.12° C
September 21 19.55° C 18.05° C 21.24° C
September 22 19.4° C 17.81° C 21.09° C
September 23 19.36° C 17.61° C 21.64° C
September 24 19.25° C 17.49° C 22.1° C
September 25 19.11° C 17.31° C 22.01° C
September 26 18.98° C 16.81° C 21.59° C
September 27 19.06° C 17.25° C 21.32° C
September 28 19.07° C 17.44° C 21.27° C
September 29 19.06° C 17.4° C 21.16° C
September 30 18.89° C 17.13° C 20.56° C

Where September Sits in the Year

September highlighted

-3.5° C
4.4° C
12.3° C
20.1° C
28.0° C
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
4.33° C
2.87° C
4.44° C
7.73° C
11.8° C
17.12° C
21.5° C
22.24° C
20.41° C
16.64° C
12.1° C
7.24° C
10-year monthly history for Wasque Point, Chappaquiddick Island, Martha's Vineyard, Massachusetts. Bars span historical low to high; the line marks the monthly average. Range Average
January → February → March → April → May → June → July → August → September → October → November → December →

Nearby Locations in September

Compare other United States water for the same month

Wasque Point, Chappaquiddick Island, Martha's Vineyard, Massachusetts Location

41.3633, -70.4500

41.36330, -70.45000 View on OpenStreetMap →

Wasque Point, Chappaquiddick Island, Martha's Vineyard, Massachusetts sits at 41.3633°N, 70.4500°W, on the coast of Massachusetts, United States. The marker on the map shows the spot the readings on this page come from. It usually sits a short distance from the town centre, out on the open water itself, so the numbers stay tied to the coast rather than a generic point inland.

Coastlines bend, headlands focus the water, and the temperature can run noticeably differently between two beaches that look close together on a map. Comparing nearby locations is a quick way to see how local geography is shaping the readings.

Nearest locations to Wasque Point, Chappaquiddick Island, Martha's Vineyard, Massachusetts