September weather forecastShannon Brook, Australia
September
Weather in September
The first month of the spring, September, is still a pleasant month in Shannon Brook, Australia, with temperature in the range of an average low of 12.8°C (55°F) and an average high of 22.8°C (73°F).Temperature
Shannon Brook registers an average high-temperature of a still pleasant 22.8°C (73°F) at the commencement of September, closely related to the preceding month. Shannon Brook experiences a steady low-temperature of 12.8°C (55°F) throughout September.Humidity
August and September, with an average relative humidity of 71%, are the least humid months in Shannon Brook.Rainfall
The month with the least rainfall is September, when the rain falls for 10.4 days and typically collects 22mm (0.87") of precipitation.Daylight
In Shannon Brook, Australia, the average length of the day in September is 11h and 55min.On the first day of September, sunrise is at 6:02 am and sunset at 5:33 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 5:48 pm AEST.
Sunshine
In Shannon Brook, Australia, the average sunshine in September is 9h.UV index
In Shannon Brook, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, a regular UV index of 5 translates into these guidelines:
Guard yourself - An obligation to protect skin and eyes from harm exists. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Shannon Brook, Australia
- Average high temperature in September: 22.8°C
The warmest month (with the highest average high temperature) is January (28.3°C).
The month with the lowest average high temperature is July (18.1°C).
- Average low temperature in September: 12.8°C
The month with the highest average low temperature is January (19.8°C).
The coldest month (with the lowest average low temperature) is July (9.8°C).
Average pressure in September
Shannon Brook, Australia
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is July (1020.7mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).
Average wind speed in September
Shannon Brook, Australia
- Average wind speed in September: 11.3km/h
The windiest month (with the highest average wind speed) is October (11.4km/h).
The calmest month (with the lowest average wind speed) is May (9.6km/h).
Average humidity in September
Shannon Brook, Australia
- Average humidity in September: 71%
The month with the highest relative humidity is March (83%).
The months with the lowest relative humidity are August and September (71%).
Average rainfall in September
Shannon Brook, Australia
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is March (102mm).
The driest month (with the least rainfall) is September (22mm).
Average rainfall days in September
Shannon Brook, Australia
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is March (22.7 days).
The month with the least rainy days is August (8.1 days).
Average daylight in September /
Average sunshine in September
Shannon Brook, Australia
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 18min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is November (Average sunshine: 10h and 18min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).
Average sunshine days in September
Shannon Brook, Australia
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is August (20.6 days).
The month with the least sunshine days is March (5.8 days).
Average UV index in September
Shannon Brook, Australia
- Average UV index in September: 5
The months with the highest UV index are January, February, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in September
Shannon Brook, Australia
- Average cloud cover in September: 25
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in September
Shannon Brook, Australia
- Average visibility in September: 10km
The months with the highest visibility are August and September (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, October, November and December (9km).





