September weather forecastWalliston, Australia
September
Weather in September
The first month of the spring, September, is still a comfortable month in Walliston, Australia, with an average temperature fluctuating between 9.7°C (49.5°F) and 19°C (66.2°F).Temperature
Walliston experiences a subtle adjustment in high-temperatures to a still enjoyable 19°C (66.2°F) with the onset of September, maintaining near parity with August's 17.5°C (63.5°F). Walliston's nights in September experience an average temperature drop to a chilly 9.7°C (49.5°F).Humidity
In September, the average relative humidity in Walliston, Australia, is 71%.Rainfall
In Walliston, Australia, in September, it is raining for 12.6 days, with typically 33mm (1.3") of accumulated precipitation. In Walliston, during the entire year, the rain falls for 110 days and collects up to 355mm (13.98") of precipitation.Daylight
In September, the average length of the day in Walliston is 11h and 54min.On the first day of September, sunrise is at 6:32 am and sunset at 5:59 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 6:17 pm AWST.
Sunshine
The average sunshine in September is 7.8h.UV index
The average daily maximum UV index in September in Walliston is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In September, an average UV index of 5 transforms into the following instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Walliston, Australia
- Average high temperature in September: 19°C
The warmest months (with the highest average high temperature) are January and February (31.2°C).
The month with the lowest average high temperature is July (16.7°C).
- Average low temperature in September: 9.7°C
The month with the highest average low temperature is February (18.8°C).
The coldest months (with the lowest average low temperature) are July, August and September (9.7°C).
Average pressure in September
Walliston, 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 (1011.4mbar).
Average wind speed in September
Walliston, Australia
- Average wind speed in September: 12.4km/h
The windiest month (with the highest average wind speed) is February (14.1km/h).
The calmest month (with the lowest average wind speed) is May (11.4km/h).
Average humidity in September
Walliston, Australia
- Average humidity in September: 71%
The months with the highest relative humidity are July and August (75%).
The month with the lowest relative humidity is January (50%).
Average rainfall in September
Walliston, Australia
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is June (66mm).
The driest months (with the least rainfall) are March and December (9mm).
Average rainfall days in September
Walliston, Australia
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (4.3 days).
Average daylight in September /
Average sunshine in September
Walliston, 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: 7h and 48min
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 30min).
Average sunshine days in September
Walliston, Australia
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is December (24.7 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in September
Walliston, 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
Walliston, Australia
- Average cloud cover in September: 35
The month with the most cloud cover is July (Cloud cover 41).
The month with the least cloud cover is January (Cloud cover 13).
Average visibility in September
Walliston, Australia
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The months with the lowest visibility are July, August, September and October (9km).
