September weather forecastPort Stephens, Australia

September

Weather in September

Sea temperature

In Port Stephens, Australia, the average seawater temperature in September is 19.4°C (66.9°F).
Note: In 19.4°C (66.9°F), swimming is not an enjoyable activity for most. The challenge of managing one's breathing increases as the temperature goes under 21°C (69.8°F).

Daylight

In Port Stephens, Australia, the average length of the day in September is 11h and 53min.
On the first day of September, sunrise is at 6:08 am and sunset at 5:34 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 5:53 pm AEST.

Frequently asked questions

In Port Stephens, Australia, the average seawater temperature in September is 19.4°C (66.9°F). For swimming, a surface water temperature of 19.4°C (66.9°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).

In September, the average day length in Port Stephens, Australia, is 11h and 53min.

In September, on the first day of the month, sunrise is at 6:08 am and sunset at 5:34 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 5:53 pm AEST.

Average sea temperature in September
Port Stephens, Australia

  • Average sea temperature in September: 19.4°C

The best months for swimming (with the highest average sea temperature) are February and March (24.3°C).
The coldest month (with the lowest average sea temperature) is August (19.1°C).

Average daylight in September
Port Stephens, Australia

  • Average daylight in September: 11h and 54min

The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).