September weather forecastCopley, Australia
September
Weather in September
September, the first month of the spring in Copley, is a pleasant month, with an average temperature ranging between min 11°C (51.8°F) and max 21.8°C (71.2°F).Temperature
As August transitions into September, Copley notices a gentle rise in the average high-temperature, transitioning from a comfortable 17.6°C (63.7°F) to a pleasant 21.8°C (71.2°F). Copley's temperature lowers to a mean of 11°C (51.8°F) during the nights in September.Humidity
In Copley, the average relative humidity in September is 40%.Rainfall
In Copley, during September, the rain falls for 3.4 days and regularly aggregates up to 5mm (0.2") of precipitation. In Copley, during the entire year, the rain falls for 42.4 days and collects up to 90mm (3.54") of precipitation.Daylight
In Copley, the average length of the day in September is 11h and 55min.On the first day of the month, sunrise is at 6:31 am and sunset at 6:00 pm. On the last day of September, sunrise is at 5:55 am and sunset at 6:17 pm ACST.
Sunshine
In September, the average sunshine is 9.6h.UV index
The average daily maximum UV index in September in Copley is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 5 in September transforms into this advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Copley, Australia
- Average high temperature in September: 21.8°C
The warmest month (with the highest average high temperature) is January (34.7°C).
The months with the lowest average high temperature are June and July (15.5°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is January (23.8°C).
The coldest month (with the lowest average low temperature) is July (7°C).
Average pressure in September
Copley, Australia
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is June (1022.9mbar).
The month with the lowest atmospheric pressure is January (1009.7mbar).
Average wind speed in September
Copley, Australia
- Average wind speed in September: 19.4km/h
The windiest month (with the highest average wind speed) is October (20.1km/h).
The calmest month (with the lowest average wind speed) is April (15.9km/h).
Average humidity in September
Copley, Australia
- Average humidity in September: 40%
The month with the highest relative humidity is June (61%).
The month with the lowest relative humidity is January (26%).
Average rainfall in September
Copley, Australia
- Average rainfall in September: 5mm
The wettest month (with the highest rainfall) is February (15mm).
The driest months (with the least rainfall) are June and July (3mm).
Average rainfall days in September
Copley, Australia
- Average rainfall days in September: 3.4 days
The month with the highest number of rainy days is April (4.5 days).
The month with the least rainy days is June (2.5 days).
Average daylight in September /
Average sunshine in September
Copley, Australia
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 14h and 6min).
The month with the shortest days is June (Average daylight: 10h and 12min).
- Average sunshine in September: 9h and 36min
The month with the most sunshine is January (Average sunshine: 9h and 48min).
The month with the least sunshine is June (Average sunshine: 8h and 48min).
Average sunshine days in September
Copley, Australia
- Average sunshine days in September: 26 days
The month with the most sunshine days is July (27.6 days).
The month with the least sunshine days is November (24.6 days).
Average UV index in September
Copley, Australia
- Average UV index in September: 5
The months with the highest UV index are January, February, November and December (UV index 7).
The months with the lowest UV index are May, June, July and August (UV index 4).
Average cloud cover in September
Copley, Australia
- Average cloud cover in September: 11
The month with the most cloud cover is June (Cloud cover 20).
The month with the least cloud cover is January (Cloud cover 10).
Average visibility in September
Copley, Australia
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
