September weather forecastBallan, Australia
September
Weather in September
September, the first month of the spring in Ballan, is a refreshing month, with an average temperature fluctuating between 4.3°C (39.7°F) and 13.9°C (57°F).Temperature
Entering September, Ballan notices a subtle temperature elevation, with the average high-temperature advancing from August's fresh 10.9°C (51.6°F) to a moderate 13.9°C (57°F). Ballan, in September, experiences an average temperature of 4.3°C (39.7°F) at night.Humidity
The average relative humidity in September in Ballan is 81%.Rainfall
In Ballan, during September, the rain falls for 14.9 days and regularly aggregates up to 34mm (1.34") of precipitation. In Ballan, during the entire year, the rain falls for 149.7 days and collects up to 390mm (15.35") of precipitation.Snowfall
May, July through October are months with snowfall. In Ballan, during September, snow falls for 0.3 days and regularly aggregates up to 1mm (0.04") of snow. Throughout the year, there are 2.9 snowfall days, and 41mm (1.61") of snow is accumulated.Daylight
In Ballan, the average length of the day in September is 11h and 51min.On the first day of the month, sunrise is at 6:44 am and sunset at 6:02 pm. On the last day of September, sunrise is at 5:59 am and sunset at 6:26 pm AEST.
Sunshine
The average sunshine in September is 6.2h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 3 during September translates into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ballan, Australia
- Average high temperature in September: 13.9°C
The warmest month (with the highest average high temperature) is January (26.7°C).
The month with the lowest average high temperature is July (10.1°C).
- Average low temperature in September: 4.3°C
The month with the highest average low temperature is February (12.5°C).
The coldest month (with the lowest average low temperature) is August (3.5°C).
Average pressure in September
Ballan, Australia
- Average pressure in September: 1016.7mbar
The month with the highest atmospheric pressure is June (1021.5mbar).
The month with the lowest atmospheric pressure is January (1012.3mbar).
Average wind speed in September
Ballan, Australia
- Average wind speed in September: 11.1km/h
The windiest month (with the highest average wind speed) is August (11.7km/h).
The calmest month (with the lowest average wind speed) is April (9.1km/h).
Average humidity in September
Ballan, Australia
- Average humidity in September: 81%
The months with the highest relative humidity are June and July (88%).
The month with the lowest relative humidity is January (60%).
Average rainfall in September
Ballan, Australia
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is August (41mm).
The driest month (with the least rainfall) is March (24mm).
Average rainfall days in September
Ballan, Australia
- Average rainfall days in September: 14.9 days
The month with the highest number of rainy days is August (16.7 days).
The month with the least rainy days is January (8.9 days).
Average snowfall in September
Ballan, Australia
- Average snowfall in September: 1mm
The month with the highest snowfall is August (31mm).
The months with the least snowfall are January, February, March, April, June, November and December (0mm).
Average snowfall days in September
Ballan, Australia
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is August (1.5 days).
The months with the least snowfall days are January, February, March, April and December (0 days).
Average daylight in September /
Average sunshine in September
Ballan, Australia
- Average daylight in September: 11h and 48min
The month with the longest days is December (Average daylight: 14h and 42min).
The month with the shortest days is June (Average daylight: 9h and 36min).
- Average sunshine in September: 6h and 12min
The month with the most sunshine is December (Average sunshine: 9h and 0min).
The month with the least sunshine is July (Average sunshine: 4h and 42min).
Average sunshine days in September
Ballan, Australia
- Average sunshine days in September: 11.9 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is August (10.7 days).
Average UV index in September
Ballan, Australia
- Average UV index in September: 3
The month with the highest UV index is December (UV index 6).
The months with the lowest UV index are June and July (UV index 2).
Average cloud cover in September
Ballan, Australia
- Average cloud cover in September: 61
The month with the most cloud cover is June (Cloud cover 69).
The month with the least cloud cover is January (Cloud cover 32).
Average visibility in September
Ballan, Australia
- Average visibility in September: 7km
The months with the highest visibility are January, February and December (9km).
The month with the lowest visibility is June (6km).
