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.
Updated: Jan 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is the water in September in Port Stephens?
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).
What is the average length of the day in September in Port Stephens?
In September, the average day length in Port Stephens, Australia, is 11h and 53min.
When is the sunrise / sunset in September in Port Stephens?
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 5min
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).
