Busselton
Australia
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Busselton, Australia

The first month of the spring, September, is also an enjoyable month in Busselton, Australia, with temperature in the range of an average low of 12°C (53.6°F) and an average high of 16.6°C (61.9°F).

Temperature

In Busselton, the average high-temperature is practically the same as in August - a still enjoyable 16.6°C (61.9°F). The average low-temperature, in Busselton, is 12°C (53.6°F).

Humidity

In Busselton, the average relative humidity is 73%.

Rainfall

In September, the rain falls for 17 days. Throughout September, 44mm (1.73") of precipitation is accumulated. In Busselton, Australia, during the entire year, the rain falls for 152.6 days and collects up to 506mm (19.92") of precipitation.

Daylight

The average length of the day in September is 11.9h.

Sunshine

In Busselton, the average sunshine is 7h.

UV index

June through October, 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 medium health hazard from the exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in September in Busselton?

The average high-temperature, in September, in Busselton, is 16.6°C (61.9°F), while the average low-temperature is 12°C (53.6°F).

What is the average humidity in September in Busselton?

The average relative humidity in September in Busselton is 73%.

How many days does it rain in September in Busselton?

In Busselton, Australia, in September, it is raining for 17 days, with typically 44mm (1.73") of accumulated precipitation.

What is the average length of the day in September in Busselton?

The average length of the day in September is 11.9h.

How long on average sun shines in September in Busselton?

In September, the average sunshine in Busselton, Australia, is 7h.

When is the lowest UV index in Busselton?

Months with the lowest UV index in Busselton, Australia, are June through October, with an average maximum UV index of 4.

How high is the UV index in September in Busselton?

In September, the average daily maximum UV index in Busselton is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.
Average temperature in September - Busselton, Australia
  • Average high temperature in September: 16.6°C

The warmest month (with the highest average high temperature) is February (24.3°C).
The month with the lowest average high temperature is July (16.1°C).

  • Average low temperature in September: 12°C

The month with the highest average low temperature is February (17.4°C).
The coldest month (with the lowest average low temperature) is September (12°C).

Average humidity in September - Busselton, Australia
  • Average humidity in September: 73%

Months with the highest relative humidity are July, August and October (74%).
Months with the lowest relative humidity are January, February and December (71%).

Average rainfall in September - Busselton, Australia
  • Average rainfall in September: 44mm

Wettest months (with the highest rainfall) are June and July (88mm).
Driest months (with the lowest rainfall) are January and December (13mm).

Average rainfall days in September - Busselton, Australia
  • Average rainfall days in September: 17 days

The month with the highest number of rainy days is July (21 days).
The month with the lowest number of rainy days is February (4.8 days).

Average daylight in September / Average sunshine in September - Busselton, Australia
  • Average daylight in September: 11.9h

The month with the longest days is December (Average daylight: 14.4h).
The month with shortest days is June (Average daylight: 9.9h).

  • Average sunshine in September: 7h

The month with most sunshine is January (Average sunshine: 10.9h).
The month with least sunshine is July (Average sunshine: 5h).

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

The month with the highest UV index is February (UV index 6).
Months with the lowest UV index are June, July, August, September and October (UV index 4).