September weather forecast
Wantirna South, Australia

September

Weather in September

The first month of the spring, September, is also a moderate month in Wantirna South, Australia, with an average temperature varying between 6.9°C (44.4°F) and 15.9°C (60.6°F).

Temperature

With September's advent, Wantirna South sees an average high-temperature of a still mild 15.9°C (60.6°F), subtly shifted from August's 13.3°C (55.9°F). In Wantirna South, an average nighttime temperature of 6.9°C (44.4°F) is expected during September.

Humidity

In September, the average relative humidity is 76%.

Rainfall

In Wantirna South, during September, the rain falls for 15.5 days and regularly aggregates up to 45mm (1.77") of precipitation. In Wantirna South, during the entire year, the rain falls for 168.2 days and collects up to 522mm (20.55") of precipitation.

Daylight

In September, the average length of the day in Wantirna South is 11h and 51min.
On the first day of September, sunrise is at 6:40 am and sunset at 5:57 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 6:22 pm AEST.

Sunshine

In September, the average sunshine in Wantirna South is 7.2h.

UV index

The months with the lowest UV index in Wantirna South are May through September, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In September, the maximum UV index of 3 suggests these recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

What are September temperatures in Wantirna South?
An average high-temperature, in September, in Wantirna South, is 15.9°C (60.6°F) and the average low-temperature is 6.9°C (44.4°F).
What is the average humidity in September in Wantirna South?
The average relative humidity in September in Wantirna South, Australia, is 76%.
How much does it rain in Wantirna South in September?
In Wantirna South, Australia, during September, the rain falls for 15.5 days and regularly aggregates up to 45mm (1.77") of precipitation.
How many hours of daylight does Wantirna South have in September?
In September, the average day length in Wantirna South is 11h and 51min.
When is the sunrise / sunset in September in Wantirna South?
On the first day of September in Wantirna South, Australia, sunrise is at 6:40 am and sunset at 5:57 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 6:22 pm AEST.
How long on average sun shines in September in Wantirna South?
In Wantirna South, the average sunshine duration in September is 7.2h.
When is the lowest UV index in Wantirna South?
The months with the lowest UV index in Wantirna South are May through September, with an average maximum UV index of 3.
What is the UV index reading in September in Wantirna South?
In Wantirna South, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
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 - Wantirna South, Australia
Average temperature in September
Wantirna South, Australia
  • Average high temperature in September: 15.9°C

The warmest month (with the highest average high temperature) is January (25.8°C).
The month with the lowest average high temperature is July (12.3°C).

  • Average low temperature in September: 6.9°C

The month with the highest average low temperature is February (14.2°C).
The coldest month (with the lowest average low temperature) is August (5.8°C).

Average pressure in September - Wantirna South, Australia
Average pressure in September
Wantirna South, Australia
  • Average pressure in September: 1016.3mbar

The month with the highest atmospheric pressure is June (1021.3mbar).
The month with the lowest atmospheric pressure is January (1012.4mbar).

Average wind speed in September - Wantirna South, Australia
Average wind speed in September
Wantirna South, Australia
  • Average wind speed in September: 11.5km/h

The windiest month (with the highest average wind speed) is August (12km/h).
The calmest month (with the lowest average wind speed) is April (9.2km/h).

Average humidity in September - Wantirna South, Australia
Average humidity in September
Wantirna South, Australia
  • Average humidity in September: 76%

The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is January (65%).

Average rainfall in September - Wantirna South, Australia
Average rainfall in September
Wantirna South, Australia
  • Average rainfall in September: 45mm

The wettest months (with the highest rainfall) are August and November (53mm).
The driest months (with the least rainfall) are February, March, April and July (38mm).

Average rainfall days in September - Wantirna South, Australia
Average rainfall days in September
Wantirna South, Australia
  • Average rainfall days in September: 15.5 days

The month with the highest number of rainy days is August (17.6 days).
The month with the least rainy days is January (10.2 days).

Average daylight in September / Average sunshine in September - Wantirna South, Australia
Average daylight in September /
Average sunshine in September
Wantirna South, Australia
  • Average daylight in September: 11h and 5min

The month with the longest days is December (Average daylight: 14h and 42min).
The month with the shortest days is June (Average daylight: 9h and 36min).

  • Average sunshine in September: 7h and 1min

The month with the most sunshine is December (Average sunshine: 9h and 54min).
The months with the least sunshine are July and August (Average sunshine: 6h and 24min).

Average sunshine days in September - Wantirna South, Australia
Average sunshine days in September
Wantirna South, Australia
  • Average sunshine days in September: 12.5 days

The months with the most sunshine days are January and March (16.3 days).
The month with the least sunshine days is August (11 days).

Average UV index in September - Wantirna South, Australia
Average UV index in September
Wantirna South, Australia
  • Average UV index in September: 3

The months with the highest UV index are January, February, October, November and December (UV index 5).
The months with the lowest UV index are May, June, July, August and September (UV index 3).

Average cloud cover in September - Wantirna South, Australia
Average cloud cover in September
Wantirna South, Australia
  • Average cloud cover in September: 46

The months with the most cloud cover are July and August (Cloud cover 51).
The month with the least cloud cover is January (Cloud cover 29).

Average visibility in September - Wantirna South, Australia
Average visibility in September
Wantirna South, Australia
  • Average visibility in September: 9km

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

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