Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
During September, Koolewong records an average high-temperature of an agreeable 20.3°C (68.5°F), marking a slight divergence from August's 17.8°C (64°F). The nighttime temperature in Koolewong dips to a cool 12.3°C (54.1°F) on average during September.Humidity
In September, the average relative humidity is 68%.Rainfall
In Koolewong, Australia, in September, it is raining for 9.9 days, with typically 43mm (1.69") of accumulated precipitation. In Koolewong, during the entire year, the rain falls for 156.9 days and collects up to 628mm (24.72") of precipitation.Daylight
The average length of the day in September is 11h and 53min.On the first day of September in Koolewong, Australia, sunrise is at 6:12 am and sunset at 5:37 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 5:56 pm AEST.
Sunshine
In September, the average sunshine is 8.9h.UV index
The months with the lowest UV index in Koolewong are May through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The UV index of 4 during September translates into the following guidance:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What is the temperature in September in Koolewong?
What is the average humidity in September in Koolewong?
How many days does it rain in September in Koolewong?
How many hours of daylight does Koolewong have in September?
When is the sunrise / sunset in September in Koolewong?
How long on average sun shines in September in Koolewong?
What is the month with the lowest UV index in Koolewong?
What is the UV index intensity in September in Koolewong?
Average temperature in September
Koolewong, Australia
- Average high temperature in September: 20.3°C
The warmest month (with the highest average high temperature) is January (27°C).
The month with the lowest average high temperature is July (16.5°C).
- Average low temperature in September: 12.3°C
The month with the highest average low temperature is January (19.8°C).
The coldest month (with the lowest average low temperature) is July (9.8°C).
Average pressure in September
Koolewong, Australia
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is June (1021mbar).
The month with the lowest atmospheric pressure is January (1012.8mbar).
Average wind speed in September
Koolewong, Australia
- Average wind speed in September: 13.5km/h
The windiest month (with the highest average wind speed) is August (13.6km/h).
The calmest month (with the lowest average wind speed) is April (12km/h).
Average humidity in September
Koolewong, Australia
- Average humidity in September: 68%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Koolewong, Australia
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is February (100mm).
The driest month (with the least rainfall) is August (34mm).
Average rainfall days in September
Koolewong, Australia
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is March (16.5 days).
The month with the least rainy days is August (9.2 days).
Average daylight in September /
Average sunshine in September
Koolewong, Australia
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is November (Average sunshine: 9h and 48min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).
Average sunshine days in September
Koolewong, Australia
- Average sunshine days in September: 18 days
The month with the most sunshine days is August (20 days).
The month with the least sunshine days is February (10.6 days).
Average UV index in September
Koolewong, Australia
- Average UV index in September: 4
The months with the highest UV index are January, February, October, November and December (UV index 6).
The months with the lowest UV index are May, June, July, August and September (UV index 4).
Average cloud cover in September
Koolewong, Australia
- Average cloud cover in September: 25
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Koolewong, Australia
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
Koolewong, Australia
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