September weather forecastCoomberdale, Australia
September
Weather in September
September, the first month of the spring in Coomberdale, is still a comfortable month, with an average temperature varying between 19.7°C (67.5°F) and 8.2°C (46.8°F).Temperature
In September, Coomberdale experiences a minor shift in meteorological conditions with average high-temperatures marked at a still enjoyable 19.7°C (67.5°F), closely mirroring the climate in August. Coomberdale records a mean low-temperature of 8.2°C (46.8°F) in September.Humidity
In Coomberdale, the average relative humidity in September is 75%.Rainfall
In Coomberdale, in September, during 9.9 rainfall days, 12mm (0.47") of precipitation is typically accumulated. Throughout the year, there are 85.8 rainfall days, and 190mm (7.48") of precipitation is accumulated.Daylight
The average length of the day in September is 11h and 55min.On the first day of September in Coomberdale, sunrise is at 6:31 am and sunset at 6:00 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 6:16 pm AWST.
Sunshine
In September, the average sunshine is 8.5h.UV index
In Coomberdale, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, an average UV index of 5 transforms into the following instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Coomberdale, Australia
- Average high temperature in September: 19.7°C
The warmest month (with the highest average high temperature) is January (34.8°C).
The month with the lowest average high temperature is July (17.1°C).
- Average low temperature in September: 8.2°C
The month with the highest average low temperature is February (20.9°C).
The coldest month (with the lowest average low temperature) is August (7.8°C).
Average pressure in September
Coomberdale, Australia
- Average pressure in September: 1019mbar
The month with the highest atmospheric pressure is July (1020.8mbar).
The month with the lowest atmospheric pressure is January (1010.1mbar).
Average wind speed in September
Coomberdale, Australia
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is January (14.8km/h).
The calmest month (with the lowest average wind speed) is July (10.7km/h).
Average humidity in September
Coomberdale, Australia
- Average humidity in September: 75%
The month with the highest relative humidity is August (79%).
The month with the lowest relative humidity is February (43%).
Average rainfall in September
Coomberdale, Australia
- Average rainfall in September: 12mm
The wettest month (with the highest rainfall) is August (31mm).
The driest month (with the least rainfall) is December (8mm).
Average rainfall days in September
Coomberdale, Australia
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is August (11 days).
The month with the least rainy days is December (4.5 days).
Average daylight in September /
Average sunshine in September
Coomberdale, Australia
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 14h and 6min).
The month with the shortest days is June (Average daylight: 10h and 12min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is January (Average sunshine: 11h and 42min).
The month with the least sunshine is July (Average sunshine: 6h and 0min).
Average sunshine days in September
Coomberdale, Australia
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is December (25 days).
The month with the least sunshine days is August (17.6 days).
Average UV index in September
Coomberdale, 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
Coomberdale, Australia
- Average cloud cover in September: 31
The months with the most cloud cover are July and August (Cloud cover 35).
The month with the least cloud cover is January (Cloud cover 13).
Average visibility in September
Coomberdale, Australia
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, November and December (10km).
The month with the lowest visibility is August (8km).





