Port Denison
Australia
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Port Denison, Australia

Sea temperature

In Septiembre, the average sea temperature in Port Denison, Australia, is 19.8°C (67.6°F).
Note: For swimming, a surface water temperature of 19.8°C (67.6°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

Daylight

In Port Denison, the average length of the day in Septiembre is 11.9h.

What is the sea water temperature in Septiembre in Port Denison?

In Septiembre, the average sea temperature in Port Denison, Australia, is 19.8°C (67.6°F). For swimming, a surface water temperature of 19.8°C (67.6°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

How many hours of daylight does Port Denison have in Septiembre?

In Port Denison, Australia, the average length of the day in Septiembre is 11.9h.
Average sea temperature in September - Port Denison, Australia
  • Average sea temperature in September: 19.8°C

The best month for swimming (with the highest average sea temperature) is March (24.3°C).
The coldest month (with the lowest average sea temperature) is October (19.7°C).

Average daylight in September - Port Denison, Australia
  • Average daylight in September: 11.9h

The month with the longest days is December (Average daylight: 14h).
The month with shortest days is June (Average daylight: 10.3h).