September weather forecast
Branxton, Australia

September

Weather in September

The first month of the spring, September, is an agreeable month in Branxton, Australia, with an average temperature fluctuating between 21.5°C (70.7°F) and 9.6°C (49.3°F).

Temperature

September's arrival brings a slight change in high-temperatures, adjusting from a refreshing 18°C (64.4°F) in August to a pleasant 21.5°C (70.7°F). An average low-temperature of 9.6°C (49.3°F) is recorded in the month of September.

Humidity

September is the least humid month in Branxton, with an average relative humidity of 69%.

Rainfall

In September, in Branxton, the rain falls for 8.8 days. Throughout September, 30mm (1.18") of precipitation is accumulated. In Branxton, during the entire year, the rain falls for 149.9 days and collects up to 518mm (20.39") of precipitation.

Daylight

In Branxton, the average length of the day in September is 11h and 53min.
On the first day of September in Branxton, Australia, sunrise is at 6:11 am and sunset at 5:37 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 5:56 pm AEST.

Sunshine

In Branxton, Australia, the average sunshine in September is 8.8h.

UV index

April through September, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, an average UV index of 4 transforms into the following instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

What are the temperatures in Branxton in September?
The high-temperature in Branxton, Australia, during September is 21.5°C (70.7°F) and the low-temperature is 9.6°C (49.3°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in February is calculated to be 31°C (87.8°F).
What is the least humid month in Branxton?
With an average relative humidity of 69%, September is the least humid month in Branxton, Australia.
What is the average humidity in September in Branxton?
In September, the average relative humidity is 69%.
How many days does it rain in September in Branxton?
In Branxton, in September, during 8.8 rainfall days, 30mm (1.18") of precipitation is typically accumulated.
What is the average length of the day in September in Branxton?
In September, the average day length in Branxton, Australia, is 11h and 53min.
When is the sunrise / sunset in September in Branxton?
On the first day of September in Branxton, sunrise is at 6:11 am and sunset at 5:37 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 5:56 pm AEST.
How many hours of sunshine does Branxton have in September?
In September, the average sunshine duration in Branxton is 8.8h.
What is the month with the lowest UV index in Branxton?
The months with the lowest UV index in Branxton, Australia, are April through September, with an average maximum UV index of 4.
What is the UV index reading in September in Branxton?
In Branxton, Australia, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Branxton, Australia
Average temperature in September
Branxton, Australia
  • Average high temperature in September: 21.5°C

The warmest month (with the highest average high temperature) is January (29.9°C).
The months with the lowest average high temperature are June and July (16.3°C).

  • Average low temperature in September: 9.6°C

The month with the highest average low temperature is January (18°C).
The coldest month (with the lowest average low temperature) is July (7.1°C).

Average pressure in September - Branxton, Australia
Average pressure in September
Branxton, Australia
  • Average pressure in September: 1017.6mbar

The month with the highest atmospheric pressure is June (1021.2mbar).
The month with the lowest atmospheric pressure is January (1012.8mbar).

Average wind speed in September - Branxton, Australia
Average wind speed in September
Branxton, Australia
  • Average wind speed in September: 8.6km/h

The windiest month (with the highest average wind speed) is August (8.7km/h).
The calmest month (with the lowest average wind speed) is April (7.3km/h).

Average humidity in September - Branxton, Australia
Average humidity in September
Branxton, Australia
  • Average humidity in September: 69%

The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is September (69%).

Average rainfall in September - Branxton, Australia
Average rainfall in September
Branxton, Australia
  • Average rainfall in September: 30mm

The wettest month (with the highest rainfall) is February (86mm).
The driest month (with the least rainfall) is May (23mm).

Average rainfall days in September - Branxton, Australia
Average rainfall days in September
Branxton, Australia
  • Average rainfall days in September: 8.8 days

The month with the highest number of rainy days is March (16.5 days).
The month with the least rainy days is August (8.3 days).

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

The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).

  • Average sunshine in September: 8h and 5min

The months with the most sunshine are November and December (Average sunshine: 9h and 42min).
The month with the least sunshine is June (Average sunshine: 5h and 42min).

Average sunshine days in September - Branxton, Australia
Average sunshine days in September
Branxton, Australia
  • Average sunshine days in September: 19.6 days

The month with the most sunshine days is August (20.3 days).
The month with the least sunshine days is February (11.4 days).

Average UV index in September - Branxton, Australia
Average UV index in September
Branxton, Australia
  • Average UV index in September: 4

The months with the highest UV index are January, February, October, November and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August and September (UV index 4).

Average cloud cover in September - Branxton, Australia
Average cloud cover in September
Branxton, Australia
  • Average cloud cover in September: 28

The months with the most cloud cover are February and March (Cloud cover 45).
The months with the least cloud cover are August and September (Cloud cover 28).

Average visibility in September - Branxton, Australia
Average visibility in September
Branxton, Australia
  • Average visibility in September: 9km

The months with the highest visibility are July, August, September and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, October and November (8km).

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