Gibraltar
Michigan, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Gibraltar, MI

Ocean temperature

In September, the average ocean temperature in Gibraltar, Michigan, is 70.5°F (21.4°C).
Note: For most, swimming in 70.5°F (21.4°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 Gibraltar, the average length of the day in September is 12.5h.

What is the ocean temperature in September in Gibraltar?

In September, the average ocean temperature is 70.5°F (21.4°C). Swimming in 70.5°F (21.4°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

What is the average length of the day in September in Gibraltar?

In September, the average length of the day in Gibraltar, Michigan, is 12.5h.
Average sea temperature in September - Gibraltar, MI
  • Average sea temperature in September: 70.6°F

The best month for swimming (with the highest average sea temperature) is August (75.4°F).
The coldest month (with the lowest average sea temperature) is February (32.7°F).

Average daylight in September - Gibraltar, MI
  • 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).