Akutan
Alaska, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Akutan, AK

Ocean temperature

In Akutan, Alaska, in September, the average water temperature is 48°F (8.9°C).
Note: Swimming in 48°F (8.9°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

The average length of the day in September is 12.7h.

What is the water temperature in September in Akutan?

In Akutan, Alaska, in September, the average water temperature is 48°F (8.9°C). Swimming in 48°F (8.9°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

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

The average length of the day in September in Akutan is 12.7h.
Average sea temperature in September - Akutan, AK
  • Average sea temperature in September: 48.1°F

The best month for swimming (with the highest average sea temperature) is August (49.6°F).
The coldest month (with the lowest average sea temperature) is February (38.6°F).

Average daylight in September - Akutan, AK
  • Average daylight in September: 12.7h

The month with the longest days is June (Average daylight: 17.1h).
The month with shortest days is December (Average daylight: 7.5h).