Mattapoisett Center
Massachusetts, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Mattapoisett Center, MA

Ocean temperature

In Mattapoisett Center, Massachusetts, in September, the average water temperature is 65.8°F (18.8°C).
Note: For most, swimming in 65.8°F (18.8°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

Daylight

In Mattapoisett Center, the average length of the day in September is 12.5h.

How cold is the water in September in Mattapoisett Center?

In Mattapoisett Center, Massachusetts, the average seawater temperature in September is 65.8°F (18.8°C). For swimming, a surface water temperature of 65.8°F (18.8°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

How many hours of daylight does Mattapoisett Center have in September?

In Mattapoisett Center, the average length of the day in September is 12.5h.
Average sea temperature in September - Mattapoisett Center, MA
  • Average sea temperature in September: 18.8°C

The best month for swimming (with the highest average sea temperature) is August (20.3°C).
The coldest month (with the lowest average sea temperature) is February (3.4°C).

Average daylight in September - Mattapoisett Center, MA
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.2h).