September weather forecastWillunga, Australia
September
Weather in September
The first month of the spring, September, is a refreshing month in Willunga, Australia, with an average temperature varying between 10.6°C (51.1°F) and 16°C (60.8°F).Temperature
September's onset brings an average high-temperature of an enjoyable 16°C (60.8°F), showing a minute difference from August's 14.2°C (57.6°F). Willunga's average low-temperature in September is measured at a fresh 10.6°C (51.1°F).Humidity
In September, the average relative humidity in Willunga, Australia, is 69%.Rainfall
In Willunga, in September, during 12.8 rainfall days, 30mm (1.18") of precipitation is typically accumulated. In Willunga, during the entire year, the rain falls for 138.9 days and collects up to 363mm (14.29") of precipitation.Daylight
In September, the average length of the day in Willunga is 11h and 52min.On the first day of the month, sunrise is at 6:34 am and sunset at 5:56 pm. On the last day of September, in Willunga, sunrise is at 5:53 am and sunset at 6:18 pm ACST.
Sunshine
In Willunga, Australia, the average sunshine in September is 7.9h.UV index
In Willunga, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Adopt protective measures - It is advised to guard against sun damage. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Willunga, Australia
- Average high temperature in September: 16°C
The warmest month (with the highest average high temperature) is January (24.9°C).
The month with the lowest average high temperature is July (14°C).
- Average low temperature in September: 10.6°C
The month with the highest average low temperature is February (17.7°C).
The coldest month (with the lowest average low temperature) is August (9.9°C).
Average pressure in September
Willunga, Australia
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is June (1021.7mbar).
The month with the lowest atmospheric pressure is January (1012.5mbar).
Average wind speed in September
Willunga, Australia
- Average wind speed in September: 16.7km/h
The windiest month (with the highest average wind speed) is August (17.7km/h).
The calmest month (with the lowest average wind speed) is April (13.8km/h).
Average humidity in September
Willunga, Australia
- Average humidity in September: 69%
The months with the highest relative humidity are June and July (73%).
The month with the lowest relative humidity is January (61%).
Average rainfall in September
Willunga, Australia
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is August (47mm).
The driest month (with the least rainfall) is January (17mm).
Average rainfall days in September
Willunga, Australia
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is February (6.3 days).
Average daylight in September /
Average sunshine in September
Willunga, Australia
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 14h and 30min).
The month with the shortest days is June (Average daylight: 9h and 48min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is December (Average sunshine: 10h and 0min).
The months with the least sunshine are May, July and August (Average sunshine: 7h and 0min).
Average sunshine days in September
Willunga, Australia
- Average sunshine days in September: 13.1 days
The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is August (10.8 days).
Average UV index in September
Willunga, Australia
- Average UV index in September: 4
The months with the highest UV index are January and December (UV index 6).
The month with the lowest UV index is July (UV index 3).
Average cloud cover in September
Willunga, Australia
- Average cloud cover in September: 34
The months with the most cloud cover are May and July (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 20).
Average visibility in September
Willunga, 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).





