September weather forecastEast Perth, Australia
September
Weather in September
Sea temperature
The months with the coldest seawater in East Perth, Australia, are September and October, with an average sea temperature of 19°C (66.2°F).Note: In water with a temperature of 19°C (66.2°F), most people do not enjoy swimming. As the temperature descends from 21°C (69.8°F) to 15°C (59°F), breathing becomes increasingly difficult to control.
Daylight
The average length of the day in September is 11h and 54min.On the first day of September, sunrise is at 6:32 am and sunset at 6:00 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 6:17 pm AWST.
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
September and October, with an average sea temperature of 19°C (66.2°F), are months with the coldest seawater.
In East Perth, Australia, the average seawater temperature in September is 19°C (66.2°F). For most, swimming in 19°C (66.2°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).
In September, the average day length is 11h and 54min.
On the first day of September, sunrise is at 6:32 am and sunset at 6:00 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 6:17 pm AWST.
Average sea temperature in September
East Perth, Australia
- Average sea temperature in September: 19°C
The best month for swimming (with the highest average sea temperature) is March (23.4°C).
The coldest months (with the lowest average sea temperature) are September and October (19°C).
Average daylight in September
East Perth, Australia
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 14h and 12min).
The month with the shortest days is June (Average daylight: 10h and 6min).
