September weather forecastAllans Flat, Australia
September
Weather in September
September, the first month of the spring in Allans Flat, is a moderate month, with temperature in the range of an average low of 4.2°C (39.6°F) and an average high of 15.7°C (60.3°F).Temperature
A subtle rise in the average high-temperature is observed during September, adjusting from a cool 12.2°C (54°F) in August to a refreshing 15.7°C (60.3°F). Allans Flat's temperature lowers to a mean of 4.2°C (39.6°F) during the nights in September.Humidity
The average relative humidity in September is 81%.Rainfall
In Allans Flat, in September, it is raining for 11.8 days, with typically 46mm (1.81") of accumulated precipitation. Throughout the year, there are 134.7 rainfall days, and 592mm (23.31") of precipitation is accumulated.Daylight
In September, the average length of the day in Allans Flat is 11h and 52min.On the first day of the month, sunrise is at 6:32 am and sunset at 5:52 pm. On the last day of September, in Allans Flat, sunrise is at 5:49 am and sunset at 6:15 pm AEST.
Sunshine
The average sunshine in September is 7.7h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 3 during September leads to these instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Allans Flat, Australia
- Average high temperature in September: 15.7°C
The warmest month (with the highest average high temperature) is January (31.6°C).
The month with the lowest average high temperature is July (11.3°C).
- Average low temperature in September: 4.2°C
The month with the highest average low temperature is January (16.7°C).
The coldest month (with the lowest average low temperature) is August (2.5°C).
Average pressure in September
Allans Flat, Australia
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is June (1022.3mbar).
The month with the lowest atmospheric pressure is January (1011.3mbar).
Average wind speed in September
Allans Flat, Australia
- Average wind speed in September: 8.5km/h
The windiest months (with the highest average wind speed) are September and December (8.5km/h).
The calmest month (with the lowest average wind speed) is June (6.4km/h).
Average humidity in September
Allans Flat, Australia
- Average humidity in September: 81%
The month with the highest relative humidity is July (88%).
The month with the lowest relative humidity is January (49%).
Average rainfall in September
Allans Flat, Australia
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is November (73mm).
The driest month (with the least rainfall) is January (34mm).
Average rainfall days in September
Allans Flat, Australia
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is August (15.2 days).
The month with the least rainy days is January (8.5 days).
Average daylight in September /
Average sunshine in September
Allans Flat, Australia
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 14h and 36min).
The month with the shortest days is June (Average daylight: 9h and 42min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is December (Average sunshine: 11h and 6min).
The month with the least sunshine is July (Average sunshine: 6h and 0min).
Average sunshine days in September
Allans Flat, Australia
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is January (20.5 days).
The month with the least sunshine days is August (13.6 days).
Average UV index in September
Allans Flat, Australia
- Average UV index in September: 3
The month with the highest UV index is January (UV index 7).
The month with the lowest UV index is June (UV index 2).
Average cloud cover in September
Allans Flat, Australia
- Average cloud cover in September: 44
The month with the most cloud cover is July (Cloud cover 57).
The month with the least cloud cover is January (Cloud cover 18).
Average visibility in September
Allans Flat, Australia
- Average visibility in September: 7km
The months with the highest visibility are January, February, March and December (10km).
The month with the lowest visibility is July (6km).
