September weather forecastKoolanooka, Australia
September
Weather in September
The first month of the spring, September, is an agreeable month in Koolanooka, Australia, with an average temperature varying between 9.3°C (48.7°F) and 21.5°C (70.7°F).Temperature
The beginning of September reveals an average high-temperature of an agreeable 21.5°C (70.7°F), showing minimal deviation from the previous month. From significant daily highs, Koolanooka's nights in September cool down to an average low-temperature of 9.3°C (48.7°F).Humidity
In September, the average relative humidity is 65%.Rainfall
The months with the least rainfall in Koolanooka are May, September and October Rain falls for 5.7 days and accumulates 7mm (0.28") of rain.Daylight
In Koolanooka, the average length of the day in September is 11h and 55min.On the first day of September in Koolanooka, sunrise is at 6:30 am and sunset at 6:01 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 6:16 pm AWST.
Sunshine
In September, the average sunshine is 8.9h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 5 in September transforms into the following instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Koolanooka, Australia
- Average high temperature in September: 21.5°C
The warmest month (with the highest average high temperature) is January (36.1°C).
The month with the lowest average high temperature is July (17.5°C).
- Average low temperature in September: 9.3°C
The month with the highest average low temperature is February (23.1°C).
The coldest month (with the lowest average low temperature) is August (8.7°C).
Average pressure in September
Koolanooka, Australia
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is July (1020.8mbar).
The month with the lowest atmospheric pressure is January (1008.8mbar).
Average wind speed in September
Koolanooka, Australia
- Average wind speed in September: 15.3km/h
The windiest month (with the highest average wind speed) is January (18.3km/h).
The calmest month (with the lowest average wind speed) is July (14.1km/h).
Average humidity in September
Koolanooka, Australia
- Average humidity in September: 65%
The months with the highest relative humidity are July and August (70%).
The months with the lowest relative humidity are January and February (37%).
Average rainfall in September
Koolanooka, Australia
- Average rainfall in September: 7mm
The wettest month (with the highest rainfall) is June (17mm).
The driest months (with the least rainfall) are May, September and October (7mm).
Average rainfall days in September
Koolanooka, Australia
- Average rainfall days in September: 5.7 days
The month with the highest number of rainy days is July (6.7 days).
The month with the least rainy days is October (3.5 days).
Average daylight in September /
Average sunshine in September
Koolanooka, 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: 8h and 54min
The month with the most sunshine is January (Average sunshine: 11h and 48min).
The month with the least sunshine is August (Average sunshine: 6h and 12min).
Average sunshine days in September
Koolanooka, Australia
- Average sunshine days in September: 23 days
The month with the most sunshine days is May (26.3 days).
The month with the least sunshine days is February (21.5 days).
Average UV index in September
Koolanooka, Australia
- Average UV index in September: 5
The months with the highest UV index are January, February and December (UV index 7).
The months with the lowest UV index are June, July and August (UV index 4).
Average cloud cover in September
Koolanooka, Australia
- Average cloud cover in September: 22
The months with the most cloud cover are July and August (Cloud cover 27).
The month with the least cloud cover is January (Cloud cover 13).
Average visibility in September
Koolanooka, Australia
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (10km).
The months with the lowest visibility are July, August and September (9km).





