Weather in September
Ocean temperature
The months with the warmest seawater in
Bainbridge Island,
Washington, are
August and
September, with an average ocean temperature of 53.2°F (11.8°C).
Note: If planning to swim in 53.2°F (11.8°C) under 50°F (10°C), wear a protective suit. Neglecting this advice might cause immediate cold shock and troubled breathing. A splash around 55.4°F (13°C) is not much warmer.
Daylight
In September, the average length of the day in Bainbridge Island is 12h and 33min.
On the first day of the month, sunrise is at 6:29 am and sunset at 7:49 pm. On the last day of September, sunrise is at 7:08 am and sunset at 6:50 pm PDT.
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