September weather forecastMount Cotton, Australia
September
Weather in September
The first month of the spring, September, is still a pleasant month in Mount Cotton, Australia, with temperature in the range of an average low of 15.3°C (59.5°F) and an average high of 22.9°C (73.2°F).Temperature
September's arrival brings an average high-temperature of a still pleasant 22.9°C (73.2°F), demonstrating subtle variation from the preceding month. During September nights, Mount Cotton records an average temperature of 15.3°C (59.5°F).Humidity
The average relative humidity in September is 69%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.5 days and typically collects 26mm (1.02") of precipitation.Daylight
The average length of the day in September is 11h and 56min.On the first day of the month, sunrise is at 6:00 am and sunset at 5:33 pm. On the last day of September, sunrise is at 5:26 am and sunset at 5:46 pm AEST.
Sunshine
The average sunshine in September in Mount Cotton, Australia, is 8.8h.UV index
In September, the average daily maximum UV index in Mount Cotton, Australia, is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In September, the UV index of 5 transforms into the following advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mount Cotton, Australia
- Average high temperature in September: 22.9°C
The warmest month (with the highest average high temperature) is January (28.1°C).
The month with the lowest average high temperature is July (19.4°C).
- Average low temperature in September: 15.3°C
The month with the highest average low temperature is January (22.1°C).
The coldest month (with the lowest average low temperature) is July (12.7°C).
Average pressure in September
Mount Cotton, Australia
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is July (1020.6mbar).
The month with the lowest atmospheric pressure is January (1012.3mbar).
Average wind speed in September
Mount Cotton, Australia
- Average wind speed in September: 14.1km/h
The windiest month (with the highest average wind speed) is February (16.4km/h).
The calmest months (with the lowest average wind speed) are May and August (13.7km/h).
Average humidity in September
Mount Cotton, Australia
- Average humidity in September: 69%
The months with the highest relative humidity are February and March (77%).
The month with the lowest relative humidity is August (68%).
Average rainfall in September
Mount Cotton, Australia
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is March (89mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in September
Mount Cotton, Australia
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is March (20.1 days).
The month with the least rainy days is August (9.5 days).
Average daylight in September /
Average sunshine in September
Mount Cotton, Australia
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 13h and 54min).
The month with the shortest days is June (Average daylight: 10h and 24min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is November (Average sunshine: 10h and 36min).
The month with the least sunshine is June (Average sunshine: 6h and 12min).
Average sunshine days in September
Mount Cotton, Australia
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is August (18.3 days).
The month with the least sunshine days is March (7.9 days).
Average UV index in September
Mount Cotton, Australia
- Average UV index in September: 5
The months with the highest UV index are January, February, March, October, November and December (UV index 6).
The month with the lowest UV index is June (UV index 4).
Average cloud cover in September
Mount Cotton, Australia
- Average cloud cover in September: 22
The months with the most cloud cover are February and March (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Mount Cotton, 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).





