September weather forecastMount Gravatt, Australia

September

Weather in September

September, the first month of the spring in Mount Gravatt, is still a pleasant month, with temperature in the range of an average high of 22.9°C (73.2°F) and an average low of 15.3°C (59.5°F).

Temperature

Mount Gravatt experiences a transition to a still agreeable 22.9°C (73.2°F) in average high-temperatures with the arrival of September, not greatly differing from August's 20.8°C (69.4°F). Mount Gravatt experiences a nighttime temperature average of 15.3°C (59.5°F) during September.

Humidity

In September, the average relative humidity is 69%.

Rainfall

The month with the least rainfall is September, when the rain falls for 11.5 days and typically collects 26mm (1.02") of precipitation.

Daylight

The average length of the day in September is 11h and 56min.
On the first day of September, sunrise is at 6:00 am and sunset at 5:34 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 5:47 pm AEST.

Sunshine

In September, the average sunshine is 8.8h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the UV index of 5 transforms into the following advice:
Undertake precautions - It is suggested to shield oneself from sunburn. To protect against the Sun's most potent rays, avoid direct exposure around midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.

Frequently asked questions

An average high-temperature, in September, in Mount Gravatt, is 22.9°C (73.2°F) and the average low-temperature is 15.3°C (59.5°F). In February, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is computed to be 31°C (87.8°F).

In September, the average relative humidity is 69%.

The month with the least rainfall is September, when the rain falls for 11.5 days and typically collects 26mm (1.02") of precipitation.

In Mount Gravatt, in September, during 11.5 rainfall days, 26mm (1.02") of precipitation is typically accumulated.

In Mount Gravatt, the average day length in September is 11h and 56min.

In September, on the first day of the month, sunrise is at 6:00 am and sunset at 5:34 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 5:47 pm AEST.

In September, the average sunshine duration is 8.8h.

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Mount Gravatt, Australia

  • Average high temperature in September: 22.9°C

The warmest month (with the highest average high temperature) is January (28.1°C).
The month with the lowest average high temperature is July (19.4°C).

  • Average low temperature in September: 15.3°C

The month with the highest average low temperature is January (22.1°C).
The coldest month (with the lowest average low temperature) is July (12.7°C).

Average pressure in September
Mount Gravatt, Australia

  • Average pressure in September: 1018.4mbar

The month with the highest atmospheric pressure is July (1020.6mbar).
The month with the lowest atmospheric pressure is January (1012.3mbar).

Average wind speed in September
Mount Gravatt, Australia

  • Average wind speed in September: 14.1km/h

The windiest month (with the highest average wind speed) is February (16.4km/h).
The calmest months (with the lowest average wind speed) are May and August (13.7km/h).

Average humidity in September
Mount Gravatt, Australia

  • Average humidity in September: 69%

The months with the highest relative humidity are February and March (77%).
The month with the lowest relative humidity is August (68%).

Average rainfall in September
Mount Gravatt, Australia

  • Average rainfall in September: 26mm

The wettest month (with the highest rainfall) is March (89mm).
The driest month (with the least rainfall) is September (26mm).

Average rainfall days in September
Mount Gravatt, Australia

  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is March (20.1 days).
The month with the least rainy days is August (9.5 days).

Average daylight in September /
Average sunshine in September
Mount Gravatt, Australia

  • Average daylight in September: 11h and 54min

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 24min).

  • Average sunshine in September: 8h and 48min

The month with the most sunshine is November (Average sunshine: 10h and 36min).
The month with the least sunshine is June (Average sunshine: 6h and 12min).

Average sunshine days in September
Mount Gravatt, Australia

  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is August (18.3 days).
The month with the least sunshine days is March (7.9 days).

Average UV index in September
Mount Gravatt, 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 month with the lowest UV index is June (UV index 4).

Average cloud cover in September
Mount Gravatt, Australia

  • Average cloud cover in September: 22

The months with the most cloud cover are February and March (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 19).

Average visibility in September
Mount Gravatt, Australia

  • Average visibility in September: 10km

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