September weather forecastGrong Grong, Australia

September

Weather in September

The first month of the spring, September, is a comfortable month in Grong, Australia, with an average temperature fluctuating between 6.2°C (43.2°F) and 17.7°C (63.9°F).

Temperature

Grong observes a slight uplift in the average high-temperature with the onset of September, adjusting from August's refreshing 14.3°C (57.7°F) to an enjoyable 17.7°C (63.9°F). During September, Grong's temperature falls to a steady low-temperature average of 6.2°C (43.2°F).

Humidity

In Grong, Australia, the average relative humidity in September is 74%.

Rainfall

In Grong, during September, the rain falls for 8.9 days and regularly aggregates up to 23mm (0.91") of precipitation. Throughout the year, there are 97 rainfall days, and 298mm (11.73") of precipitation is accumulated.

Daylight

In September, the average length of the day is 11h and 52min.
On the first day of the month, sunrise is at 6:31 am and sunset at 5:54 pm. On the last day of September, sunrise is at 5:50 am and sunset at 6:15 pm AEST.

Sunshine

In September, the average sunshine is 8.3h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: In September, a regular UV index of 4 translates into these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Frequently asked questions

The high-temperature, in September, in Grong, records 17.7°C (63.9°F), while the low-temperature is 6.2°C (43.2°F). In March, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is computed to be 28°C (82.4°F).

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

In Grong, in September, during 8.9 rainfall days, 23mm (0.91") of precipitation is typically accumulated.

The average day length in September is 11h and 52min.

In September, on the first day of the month, sunrise is at 6:31 am and sunset at 5:54 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 6:15 pm AEST.

The average sunshine duration in September is 8.3h.

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Grong Grong, Australia

  • Average high temperature in September: 17.7°C

The warmest month (with the highest average high temperature) is January (33.8°C).
The month with the lowest average high temperature is July (13.3°C).

  • Average low temperature in September: 6.2°C

The month with the highest average low temperature is January (21.1°C).
The coldest month (with the lowest average low temperature) is August (4.3°C).

Average pressure in September
Grong Grong, Australia

  • Average pressure in September: 1017.9mbar

The month with the highest atmospheric pressure is June (1022.3mbar).
The month with the lowest atmospheric pressure is January (1010.4mbar).

Average wind speed in September
Grong Grong, Australia

  • Average wind speed in September: 13.5km/h

The windiest month (with the highest average wind speed) is November (14km/h).
The calmest months (with the lowest average wind speed) are April, May and June (11.7km/h).

Average humidity in September
Grong Grong, Australia

  • Average humidity in September: 74%

The months with the highest relative humidity are June and July (80%).
The month with the lowest relative humidity is January (37%).

Average rainfall in September
Grong Grong, Australia

  • Average rainfall in September: 23mm

The wettest month (with the highest rainfall) is November (42mm).
The driest month (with the least rainfall) is July (17mm).

Average rainfall days in September
Grong Grong, Australia

  • Average rainfall days in September: 8.9 days

The months with the highest number of rainy days are August and October (9.7 days).
The month with the least rainy days is February (6.6 days).

Average daylight in September /
Average sunshine in September
Grong Grong, Australia

  • Average daylight in September: 11h and 54min

The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).

  • Average sunshine in September: 8h and 18min

The month with the most sunshine is December (Average sunshine: 11h and 0min).
The month with the least sunshine is July (Average sunshine: 7h and 24min).

Average sunshine days in September
Grong Grong, Australia

  • Average sunshine days in September: 19.3 days

The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is August (18.4 days).

Average UV index in September
Grong Grong, Australia

  • Average UV index in September: 4

The months with the highest UV index are January, February and December (UV index 7).
The months with the lowest UV index are June and August (UV index 3).

Average cloud cover in September
Grong Grong, Australia

  • Average cloud cover in September: 29

The month with the most cloud cover is July (Cloud cover 37).
The month with the least cloud cover is January (Cloud cover 16).

Average visibility in September
Grong Grong, Australia

  • Average visibility in September: 9km

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