September weather forecastCoolah, Australia
September
Weather in September
The first month of the spring, September, is a comfortable month in Coolah, Australia, with an average temperature fluctuating between 17.5°C (63.5°F) and 5.8°C (42.4°F).Temperature
The beginning of September marks a minor shift in the average high-temperature, moving from August's refreshing 13.9°C (57°F) to an enjoyable 17.5°C (63.5°F). An average temperature of 5.8°C (42.4°F) marks the nights in September.Humidity
The average relative humidity in September is 76%.Rainfall
In September, the rain falls for 7.8 days. Throughout September, 21mm (0.83") of precipitation is accumulated. Throughout the year, in Coolah, there are 117.4 rainfall days, and 425mm (16.73") of precipitation is accumulated.Snowfall
In Coolah, Australia, snow does not fall in January through June, September through December.Daylight
In September, the average length of the day is 11h and 54min.On the first day of September, sunrise is at 6:17 am and sunset at 5:44 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 6:02 pm AEST.
Sunshine
In Coolah, the average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index in Coolah is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Coolah, Australia
- Average high temperature in September: 17.5°C
The warmest month (with the highest average high temperature) is January (29.9°C).
The month with the lowest average high temperature is July (12.5°C).
- Average low temperature in September: 5.8°C
The month with the highest average low temperature is January (17°C).
The coldest month (with the lowest average low temperature) is August (3.2°C).
Average pressure in September
Coolah, Australia
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is June (1022.1mbar).
The month with the lowest atmospheric pressure is January (1012mbar).
Average wind speed in September
Coolah, Australia
- Average wind speed in September: 10.4km/h
The windiest month (with the highest average wind speed) is February (10.6km/h).
The calmest months (with the lowest average wind speed) are April and May (8.8km/h).
Average humidity in September
Coolah, Australia
- Average humidity in September: 76%
The month with the highest relative humidity is June (85%).
The month with the lowest relative humidity is December (61%).
Average rainfall in September
Coolah, Australia
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is January (60mm).
The driest month (with the least rainfall) is May (17mm).
Average rainfall days in September
Coolah, Australia
- Average rainfall days in September: 7.8 days
The month with the highest number of rainy days is March (12.7 days).
The month with the least rainy days is July (7.4 days).
Average snowfall in September
Coolah, Australia
- Average snowfall in September: 0mm
The month with the highest snowfall is July (2mm).
The months with the least snowfall are January, February, March, April, May, June, September, October, November and December (0mm).
Average snowfall days in September
Coolah, Australia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is August (0.4 days).
The months with the least snowfall days are January, February, March, April, May, June, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Coolah, 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: 8h and 30min
The month with the most sunshine is December (Average sunshine: 10h and 42min).
The month with the least sunshine is June (Average sunshine: 6h and 42min).
Average sunshine days in September
Coolah, Australia
- Average sunshine days in September: 19.9 days
The month with the most sunshine days is July (22.3 days).
The month with the least sunshine days is February (14.8 days).
Average UV index in September
Coolah, Australia
- Average UV index in September: 4
The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are May, June, July and August (UV index 3).
Average cloud cover in September
Coolah, Australia
- Average cloud cover in September: 35
The month with the most cloud cover is June (Cloud cover 51).
The month with the least cloud cover is December (Cloud cover 30).
Average visibility in September
Coolah, Australia
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, November and December (9km).
The months with the lowest visibility are June and July (7km).





