September weather forecast
Cooroy, Australia

September

Weather in September

The first month of the spring, September, is a warm month in Cooroy, Australia, with an average temperature fluctuating between 23.3°C (73.9°F) and 15.2°C (59.4°F).

Temperature

Cooroy experiences an average high-temperature of a warm 23.3°C (73.9°F) in September, subtly different from August's 21.3°C (70.3°F). Cooroy experiences an average nighttime temperature of 15.2°C (59.4°F) in the month of September.

Humidity

The average relative humidity in September is 71%.

Rainfall

September is the month with the least rainfall. Rain falls for 11.2 days and accumulates 24mm (0.94") of precipitation.

Daylight

The average length of the day in September is 11h and 56min.
On the first day of September in Cooroy, sunrise is at 6:00 am and sunset at 5:35 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 5:47 pm AEST.

Sunshine

In Cooroy, the average sunshine in September is 8.6h.

UV index

The months with the lowest UV index are April through September, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the UV index of 5 transforms into the following advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. 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.

Frequently asked questions

What are September temperatures?
During September, Cooroy experiences an average high-temperature of 23.3°C (73.9°F) and a low-temperature of 15.2°C (59.4°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in February is calculated to be 30°C (86°F).
What is the average humidity in September?
The average relative humidity in September is 71%.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 11.2 days and typically collects 24mm (0.94") of precipitation.
How many days does it rain in September?
In Cooroy, during September, the rain falls for 11.2 days and regularly aggregates up to 24mm (0.94") of precipitation.
How many hours of daylight does Cooroy have in September?
In Cooroy, the average day length in September is 11h and 56min.
What time are sunrise and sunset in September?
On the first day of September, sunrise is at 6:00 am and sunset at 5:35 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 5:47 pm AEST.
How many hours of sunshine does Cooroy have in September?
In Cooroy, the average sunshine duration in September is 8.6h.
What is the month with the lowest UV index?
April through September, with an average maximum UV index of 5, are months with the lowest UV index.
How high is the UV index in September?
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Cooroy, Australia
  • Average high temperature in September: 23.3°C

The warmest month (with the highest average high temperature) is January (27.7°C).
The month with the lowest average high temperature is July (19.8°C).

  • Average low temperature in September: 15.2°C

The month with the highest average low temperature is February (22.1°C).
The coldest month (with the lowest average low temperature) is July (13.1°C).

Average pressure in September
Cooroy, Australia
  • Average pressure in September: 1018.4mbar

The month with the highest atmospheric pressure is July (1020.4mbar).
The month with the lowest atmospheric pressure is January (1011.8mbar).

Average wind speed in September
Cooroy, Australia
  • Average wind speed in September: 11.6km/h

The windiest month (with the highest average wind speed) is February (14.8km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).

Average humidity in September
Cooroy, Australia
  • Average humidity in September: 71%

The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is August (70%).

Average rainfall in September
Cooroy, Australia
  • Average rainfall in September: 24mm

The wettest month (with the highest rainfall) is March (85mm).
The driest month (with the least rainfall) is September (24mm).

Average rainfall days in September
Cooroy, Australia
  • Average rainfall days in September: 11.2 days

The month with the highest number of rainy days is March (17.3 days).
The month with the least rainy days is August (10.4 days).

Average daylight in September /
Average sunshine in September
Cooroy, Australia
  • Average daylight in September: 11h and 5min

The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 30min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is November (Average sunshine: 10h and 24min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).

Average sunshine days in September
Cooroy, Australia
  • Average sunshine days in September: 15.7 days

The month with the most sunshine days is August (17.2 days).
The month with the least sunshine days is February (10.8 days).

Average UV index in September
Cooroy, Australia
  • Average UV index in September: 5

The months with the highest UV index are January, February, March, October, November and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August and September (UV index 5).

Average cloud cover in September
Cooroy, Australia
  • Average cloud cover in September: 24

The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in September
Cooroy, Australia
  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September and November (10km).
The months with the lowest visibility are October and December (9km).

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