Weather in September
Sea temperature
In Port Denison, Australia, the average seawater temperature in September is 19.8°C (67.6°F).Note: Swimming in water that is 19.8°C (67.6°F) is not enjoyable for most. Breathing becomes more challenging to manage as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in September in Port Denison is 11h and 55min.On the first day of September in Port Denison, sunrise is at 6:34 am and sunset at 6:05 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 6:20 pm AWST.
Frequently asked questions
What is the sea water temperature in September in Port Denison?
In Port Denison, Australia, in September, the average water temperature is 19.8°C (67.6°F). For most, swimming in 19.8°C (67.6°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).
How many hours of daylight does Port Denison have in September?
In September, the average day length in Port Denison, Australia, is 11h and 55min.
What time are sunrise and sunset in September in Port Denison?
On the first day of September in Port Denison, Australia, sunrise is at 6:34 am and sunset at 6:05 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 6:20 pm AWST.
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: 11h and 5min
The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 18min).
Port Denison, Australia
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