September weather forecastBentley, Australia
September
Weather in September
The first month of the spring, September, is still a comfortable month in Bentley, Australia, with an average temperature fluctuating between 19°C (66.2°F) and 10.3°C (50.5°F).Temperature
The arrival of September brings an average high-temperature of a still enjoyable 19°C (66.2°F), subtly diverging from August's 17.7°C (63.9°F). During September, the nighttime temperature in Bentley averages to a cool 10.3°C (50.5°F).Humidity
The average relative humidity in September in Bentley is 70%.Rainfall
In Bentley, in September, during 12.2 rainfall days, 31mm (1.22") of precipitation is typically accumulated. Throughout the year, in Bentley, there are 106.3 rainfall days, and 344mm (13.54") of precipitation is accumulated.Daylight
The average length of the day in September is 11h and 54min.On the first day of the month, sunrise is at 6:32 am and sunset at 5:59 pm. On the last day of September, in Bentley, Australia, sunrise is at 5:54 am and sunset at 6:17 pm AWST.
Sunshine
In Bentley, the average sunshine in September is 8h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. It's recommended to limit sun exposure when its radiation is at its peak during midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bentley, Australia
- Average high temperature in September: 19°C
The warmest months (with the highest average high temperature) are January and February (30.8°C).
The month with the lowest average high temperature is July (17°C).
- Average low temperature in September: 10.3°C
The month with the highest average low temperature is February (19°C).
The coldest months (with the lowest average low temperature) are July and August (10°C).
Average pressure in September
Bentley, Australia
- Average pressure in September: 1019.1mbar
The month with the highest atmospheric pressure is July (1020.6mbar).
The month with the lowest atmospheric pressure is January (1011.3mbar).
Average wind speed in September
Bentley, Australia
- Average wind speed in September: 13km/h
The windiest month (with the highest average wind speed) is January (14.6km/h).
The calmest months (with the lowest average wind speed) are April and May (12km/h).
Average humidity in September
Bentley, Australia
- Average humidity in September: 70%
The months with the highest relative humidity are July and August (74%).
The month with the lowest relative humidity is January (51%).
Average rainfall in September
Bentley, Australia
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is June (65mm).
The driest months (with the least rainfall) are March and December (9mm).
Average rainfall days in September
Bentley, Australia
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is February (3.9 days).
Average daylight in September /
Average sunshine in September
Bentley, 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).
- Average sunshine in September: 8h and 0min
The months with the most sunshine are January and December (Average sunshine: 11h and 30min).
The month with the least sunshine is August (Average sunshine: 5h and 42min).
Average sunshine days in September
Bentley, Australia
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is December (25.1 days).
The month with the least sunshine days is July (13.6 days).
Average UV index in September
Bentley, Australia
- Average UV index in September: 5
The months with the highest UV index are January, February, March and December (UV index 6).
The months with the lowest UV index are May, June, July and August (UV index 4).
Average cloud cover in September
Bentley, Australia
- Average cloud cover in September: 33
The month with the most cloud cover is July (Cloud cover 40).
The month with the least cloud cover is January (Cloud cover 13).
Average visibility in September
Bentley, Australia
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (10km).
The month with the lowest visibility is August (9km).
