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

September weather forecast and climate
Dillingham, AK

Ocean temperature

In Dillingham, Alaska, in September, the average water temperature is 52.3°F (11.3°C).
Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

Daylight

In September, the average length of the day in Dillingham is 12.8h.

How cold is the water in September in Dillingham?

In Dillingham, the average seawater temperature in September is 52.3°F (11.3°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

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

In September, the average length of the day in Dillingham is 12.8h.
Average sea temperature in September - Dillingham, AK
  • Average sea temperature in September: 52.3°F

The best month for swimming (with the highest average sea temperature) is August (54.3°F).
The coldest month (with the lowest average sea temperature) is February (31.6°F).

Average daylight in September - Dillingham, AK
  • Average daylight in September: 12.8h

The month with the longest days is June (Average daylight: 18.4h).
The month with shortest days is December (Average daylight: 6.3h).