September weather forecast
Grabben Gullen, Australia

September

Weather in September

September, the first month of the spring in Grabben Gullen, is a mild month, with an average temperature fluctuating between 15.9°C (60.6°F) and 4.8°C (40.6°F).

Temperature

September introduces a minor temperature shift, with average high-temperatures adjusting from August's fresh 12.2°C (54°F) to a mild 15.9°C (60.6°F). Throughout the month of September, Grabben Gullen sees a steady low-temperature average of 4.8°C (40.6°F).

Humidity

In September, the average relative humidity in Grabben Gullen, Australia, is 77%.

Rainfall

In Grabben Gullen, Australia, in September, during 11.5 rainfall days, 28mm (1.1") of precipitation is typically accumulated. In Grabben Gullen, during the entire year, the rain falls for 138.1 days and collects up to 421mm (16.57") of precipitation.

Snowfall

Months with snowfall are June through September. September is the month with the most snowfall. Snow falls for 0.4 days and accumulates 20mm (0.79") of snow.

Daylight

The average length of the day in September in Grabben Gullen is 11h and 52min.
On the first day of the month, sunrise is at 6:20 am and sunset at 5:43 pm. On the last day of September, sunrise is at 5:40 am and sunset at 6:04 pm AEST.

Sunshine

In Grabben Gullen, the average sunshine in September is 8.2h.

UV index

The months with the lowest UV index are May through September, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

What are September temperatures in Grabben Gullen?
In Grabben Gullen, 15.9°C (60.6°F) is the average high-temperature and 4.8°C (40.6°F) is the average low-temperature during September. In January, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 31°C (87.8°F).
What is the average humidity in September in Grabben Gullen?
In Grabben Gullen, the average relative humidity in September is 77%.
How much does it rain in Grabben Gullen in September?
In Grabben Gullen, Australia, in September, during 11.5 rainfall days, 28mm (1.1") of precipitation is typically accumulated.
What is the snowiest month in Grabben Gullen?
September is the month with the most snowfall in Grabben Gullen, Australia. Snow falls for 0.4 days and accumulates 20mm (0.79") of snow.
What is the last month it snows in Grabben Gullen?
September is the last month it regularly snows in Grabben Gullen, Australia. During 0.4 snowfall days, in September, Grabben Gullen aggregates 20mm (0.79") of snow.
What is the average length of the day in September in Grabben Gullen?
In September, the average day length is 11h and 52min.
When is the sunrise / sunset in September in Grabben Gullen?
In September, on the first day of the month, sunrise is at 6:20 am and sunset at 5:43 pm. On the last day of the month, in Grabben Gullen, Australia, sunrise is at 5:40 am and sunset at 6:04 pm AEST.
How many hours of sunshine does Grabben Gullen have in September?
In Grabben Gullen, the average sunshine duration in September is 8.2h.
What are the months with the lowest UV index in Grabben Gullen?
The months with the lowest UV index are May through September, with an average maximum UV index of 3.
What is the UV index intensity in September in Grabben Gullen?
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health threat 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 snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Grabben Gullen, Australia
  • Average high temperature in September: 15.9°C

The warmest month (with the highest average high temperature) is January (28.5°C).
The month with the lowest average high temperature is July (11.1°C).

  • Average low temperature in September: 4.8°C

The month with the highest average low temperature is January (14.8°C).
The coldest month (with the lowest average low temperature) is July (2.5°C).

Average pressure in September
Grabben Gullen, Australia
  • Average pressure in September: 1017.3mbar

The month with the highest atmospheric pressure is June (1021.6mbar).
The month with the lowest atmospheric pressure is January (1012.6mbar).

Average wind speed in September
Grabben Gullen, Australia
  • Average wind speed in September: 10.7km/h

The windiest month (with the highest average wind speed) is August (11.8km/h).
The calmest months (with the lowest average wind speed) are March and April (8.2km/h).

Average humidity in September
Grabben Gullen, Australia
  • Average humidity in September: 77%

The month with the highest relative humidity is June (86%).
The month with the lowest relative humidity is January (65%).

Average rainfall in September
Grabben Gullen, Australia
  • Average rainfall in September: 28mm

The wettest month (with the highest rainfall) is February (54mm).
The driest months (with the least rainfall) are April and May (21mm).

Average rainfall days in September
Grabben Gullen, Australia
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is March (13.7 days).
The month with the least rainy days is May (7.9 days).

Average snowfall in September
Grabben Gullen, Australia
  • Average snowfall in September: 20mm

The month with the highest snowfall is September (20mm).
The months with the least snowfall are January, February, March, April, May, October, November and December (0mm).

Average snowfall days in September
Grabben Gullen, Australia
  • Average snowfall days in September: 0.4 days

The month with the highest number of snowfall days is August (1.3 days).
The months with the least snowfall days are January, February, March, April and December (0 days).

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

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 1min

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

Average sunshine days in September
Grabben Gullen, Australia
  • Average sunshine days in September: 15.1 days

The month with the most sunshine days is May (20.1 days).
The month with the least sunshine days is February (13.6 days).

Average UV index in September
Grabben Gullen, Australia
  • Average UV index in September: 3

The months with the highest UV index are January and December (UV index 6).
The months with the lowest UV index are May, June, July, August and September (UV index 3).

Average cloud cover in September
Grabben Gullen, Australia
  • Average cloud cover in September: 44

The month with the most cloud cover is June (Cloud cover 55).
The months with the least cloud cover are January and December (Cloud cover 38).

Average visibility in September
Grabben Gullen, Australia
  • Average visibility in September: 7km

The months with the highest visibility are January and December (9km).
The months with the lowest visibility are April, May, June, July, August and September (7km).

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