Rockaway Beach
Oregon, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Rockaway Beach, OR

Ocean temperature

In Rockaway Beach, Oregon, the average seawater temperature in September is 56.1°F (13.4°C).
Note: Swimming in 56.1°F (13.4°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 Rockaway Beach, Oregon, the average length of the day in September is 12.5h.

How cold is the water in September in Rockaway Beach?

In Rockaway Beach, in September, the average water temperature is 56.1°F (13.4°C). Swimming in 56.1°F (13.4°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 Rockaway Beach have in September?

In September, the average length of the day in Rockaway Beach, Oregon, is 12.5h.
Average sea temperature in September - Rockaway Beach, OR
  • Average sea temperature in September: 56.2°F

The best month for swimming (with the highest average sea temperature) is July (57.2°F).
The coldest month (with the lowest average sea temperature) is February (48.1°F).

Average daylight in September - Rockaway Beach, OR
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.6h).
The month with shortest days is December (Average daylight: 8.8h).