September weather forecast
Glen Waverley, Australia

September

Weather in September

September, the first month of the spring in Glen Waverley, is still a refreshing month, with an average temperature varying between 8.5°C (47.3°F) and 15.8°C (60.4°F).

Temperature

Glen Waverley registers an average high-temperature of a still mild 15.8°C (60.4°F) with the arrival of September, showing minor deviation from the preceding month. Throughout the nights in September, an average low-temperature of 8.5°C (47.3°F) is noted.

Humidity

In Glen Waverley, the average relative humidity in September is 74%.

Rainfall

In Glen Waverley, in September, it is raining for 14.6 days, with typically 43mm (1.69") of accumulated precipitation. In Glen Waverley, during the entire year, the rain falls for 158.8 days and collects up to 484mm (19.06") of precipitation.

Daylight

In Glen Waverley, the average length of the day in September is 11h and 51min.
On the first day of September, sunrise is at 6:40 am and sunset at 5:58 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 is 7.2h.

UV index

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 4 during September leads to these instructions:
Take precautions - Protection against skin and eye damage is obliged. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.

Frequently asked questions

What is the temperature in September?
The average high-temperature and low-temperature during September are 15.8°C (60.4°F) and 8.5°C (47.3°F) respectively.
What is the average humidity in September?
The average relative humidity in September is 74%.
How much does it rain in September?
In Glen Waverley, during September, the rain falls for 14.6 days and regularly aggregates up to 43mm (1.69") of precipitation.
How many hours of daylight does Glen Waverley have in September?
In Glen Waverley, the average day length in September is 11h and 51min.
When is the sunrise / sunset in September?
On the first day of September, sunrise is at 6:40 am and sunset at 5:58 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?
The average sunshine duration in September is 7.2h.
What is the UV index intensity in September?
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Glen Waverley, Australia
  • Average high temperature in September: 15.8°C

The warmest month (with the highest average high temperature) is January (25°C).
The month with the lowest average high temperature is July (13°C).

  • Average low temperature in September: 8.5°C

The month with the highest average low temperature is February (15.4°C).
The coldest month (with the lowest average low temperature) is August (7.3°C).

Average pressure in September
Glen Waverley, Australia
  • Average pressure in September: 1016.3mbar

The month with the highest atmospheric pressure is June (1021.2mbar).
The month with the lowest atmospheric pressure is January (1012.5mbar).

Average wind speed in September
Glen Waverley, Australia
  • Average wind speed in September: 14.1km/h

The windiest month (with the highest average wind speed) is August (15.1km/h).
The calmest month (with the lowest average wind speed) is April (11.4km/h).

Average humidity in September
Glen Waverley, Australia
  • Average humidity in September: 74%

The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is January (65%).

Average rainfall in September
Glen Waverley, Australia
  • Average rainfall in September: 43mm

The wettest month (with the highest rainfall) is August (52mm).
The driest month (with the least rainfall) is March (31mm).

Average rainfall days in September
Glen Waverley, Australia
  • Average rainfall days in September: 14.6 days

The month with the highest number of rainy days is August (17.8 days).
The month with the least rainy days is January (9 days).

Average daylight in September /
Average sunshine in September
Glen Waverley, 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 42min).
The months with the least sunshine are May, July and August (Average sunshine: 6h and 30min).

Average sunshine days in September
Glen Waverley, Australia
  • Average sunshine days in September: 13.3 days

The month with the most sunshine days is January (19 days).
The months with the least sunshine days are July and August (10.8 days).

Average UV index in September
Glen Waverley, Australia
  • Average UV index in September: 4

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

Average cloud cover in September
Glen Waverley, Australia
  • Average cloud cover in September: 45

The months with the most cloud cover are July and August (Cloud cover 49).
The month with the least cloud cover is January (Cloud cover 31).

Average visibility in September
Glen Waverley, Australia
  • Average visibility in September: 9km

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

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