September weather forecast and climate
Lamoine State Park, ME

Weather in September

Ocean temperature

In Lamoine State Park, Maine, the average seawater temperature in September is 55.9°F (13.3°C).
Note: Swimming in 55.9°F (13.3°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

In September, the average length of the day in Lamoine State Park is 12.5h.
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FAQ

How cold is the water in September in Lamoine State Park?

In Lamoine State Park, in September, the average water temperature is 55.9°F (13.3°C). Swimming in 55.9°F (13.3°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Lamoine State Park have in September?

In September, the average length of the day in Lamoine State Park is 12.5h.

Average sea temperature in September
Lamoine State Park, ME

Average sea temperature in September - Lamoine State Park, ME
  • Average sea temperature in September: 55.9°F

The best month for swimming (with the highest average sea temperature) is August (56.8°F).
The coldest month (with the lowest average sea temperature) is March (38.6°F).

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Average daylight in September
Lamoine State Park, ME

Average daylight in September - Lamoine State Park, ME
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.5h).
The month with the shortest days is December (Average daylight: 8.9h).

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