September weather forecastDerrimut, Australia

September

Weather in September

September, the first month of the spring in Derrimut, is still a refreshing month, with an average temperature ranging between max 15.8°C (60.4°F) and min 7.5°C (45.5°F).

Temperature

Derrimut's shift into September sets the average high-temperature at a still refreshing 15.8°C (60.4°F), a figure that deviates only slightly from August's 13.4°C (56.1°F). An average low-temperature of 7.5°C (45.5°F) is anticipated throughout the nights during September.

Humidity

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

Rainfall

In Derrimut, during September, the rain falls for 15.1 days and regularly aggregates up to 35mm (1.38") of precipitation. In Derrimut, during the entire year, the rain falls for 157.6 days and collects up to 415mm (16.34") of precipitation.

Daylight

The average length of the day in September in Derrimut is 11h and 51min.
On the first day of the month, sunrise is at 6:41 am and sunset at 5:59 pm. On the last day of September, in Derrimut, sunrise is at 5:57 am and sunset at 6:24 pm AEST.

Sunshine

In September, the average sunshine is 7.6h.

UV index

In Derrimut, Australia, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 4 in September translates into this advice:
Heed the precautions - Suggestions to avoid sunburn are made. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Frequently asked questions

An average high-temperature, in September, in Derrimut, is 15.8°C (60.4°F) and the average low-temperature is 7.5°C (45.5°F).

The average relative humidity in September is 74%.

In Derrimut, Australia, in September, it is raining for 15.1 days, with typically 35mm (1.38") of accumulated precipitation.

In September, the average day length in Derrimut is 11h and 51min.

On the first day of September in Derrimut, sunrise is at 6:41 am and sunset at 5:59 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 6:24 pm AEST.

In September, the average sunshine duration is 7.6h.

The average daily maximum UV index in September in Derrimut, Australia, is 4. A UV Index reading of 3 to 5 represents a moderate health threat 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
Derrimut, Australia

  • Average high temperature in September: 15.8°C

The warmest month (with the highest average high temperature) is January (25.1°C).
The month with the lowest average high temperature is July (12.8°C).

  • Average low temperature in September: 7.5°C

The month with the highest average low temperature is February (15.2°C).
The coldest month (with the lowest average low temperature) is August (6.8°C).

Average pressure in September
Derrimut, Australia

  • Average pressure in September: 1016.4mbar

The month with the highest atmospheric pressure is June (1021.3mbar).
The month with the lowest atmospheric pressure is January (1012.4mbar).

Average wind speed in September
Derrimut, Australia

  • Average wind speed in September: 13.8km/h

The windiest month (with the highest average wind speed) is August (15km/h).
The calmest month (with the lowest average wind speed) is April (11.3km/h).

Average humidity in September
Derrimut, Australia

  • Average humidity in September: 74%

The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is January (64%).

Average rainfall in September
Derrimut, Australia

  • Average rainfall in September: 35mm

The wettest month (with the highest rainfall) is November (41mm).
The driest month (with the least rainfall) is March (27mm).

Average rainfall days in September
Derrimut, Australia

  • Average rainfall days in September: 15.1 days

The month with the highest number of rainy days is August (16.6 days).
The month with the least rainy days is January (8.9 days).

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

  • Average daylight in September: 11h and 48min

The month with the longest days is December (Average daylight: 14h and 42min).
The month with the shortest days is June (Average daylight: 9h and 36min).

  • Average sunshine in September: 7h and 36min

The month with the most sunshine is December (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 6h and 36min).

Average sunshine days in September
Derrimut, Australia

  • Average sunshine days in September: 11.5 days

The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is August (11.3 days).

Average UV index in September
Derrimut, Australia

  • Average UV index in September: 4

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

Average cloud cover in September
Derrimut, Australia

  • Average cloud cover in September: 41

The months with the most cloud cover are May and August (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 30).

Average visibility in September
Derrimut, Australia

  • Average visibility in September: 9km

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