September weather forecast
Mitchells Island, Australia

September

Weather in September

September, the first month of the spring in Mitchells Island, is a pleasant month, with temperature in the range of an average low of 11.8°C (53.2°F) and an average high of 21.4°C (70.5°F).

Temperature

As August transitions into September, Mitchells Island notices a gentle rise in the average high-temperature, transitioning from a refreshing 18.4°C (65.1°F) to a pleasant 21.4°C (70.5°F). During September, Mitchells Island observes a consistent average nighttime temperature of 11.8°C (53.2°F).

Humidity

The least humid month in Mitchells Island, Australia, is September, with an average relative humidity of 68%.

Rainfall

The month with the least rainfall in Mitchells Island, Australia, is September, when the rain falls for 9.4 days and typically collects 27mm (1.06") of precipitation.

Daylight

The average length of the day in September in Mitchells Island is 11h and 54min.
On the first day of September in Mitchells Island, sunrise is at 6:05 am and sunset at 5:33 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 5:50 pm AEST.

Sunshine

In September, the average sunshine is 8.7h.

UV index

The months with the lowest UV index in Mitchells Island are May through September, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 4 during September translates into the following guidance:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.

Frequently asked questions

What is the temperature in September in Mitchells Island?
In Mitchells Island, in September, the average high-temperature is 21.4°C (70.5°F), and the average low-temperature is 11.8°C (53.2°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in January is computed to be 32°C (89.6°F).
What is the least humid month in Mitchells Island?
The least humid month in Mitchells Island, Australia, is September, with an average relative humidity of 68%.
What is the average humidity in September in Mitchells Island?
The average relative humidity in September in Mitchells Island is 68%.
What is the driest month in Mitchells Island?
September is the month with the least rainfall. Rain falls for 9.4 days and accumulates 27mm (1.06") of precipitation.
How many days does it rain in September in Mitchells Island?
In September, the rain falls for 9.4 days. Throughout September, 27mm (1.06") of precipitation is accumulated.
What is the average length of the day in September in Mitchells Island?
In Mitchells Island, Australia, the average day length in September is 11h and 54min.
When is the sunrise / sunset in September in Mitchells Island?
On the first day of September, sunrise is at 6:05 am and sunset at 5:33 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 5:50 pm AEST.
How many hours of sunshine does Mitchells Island have in September?
In September, the average sunshine duration in Mitchells Island, Australia, is 8.7h.
What are the months with the lowest UV index in Mitchells Island?
May through September, with an average maximum UV index of 4, are months with the lowest UV index.
What is the UV index intensity in September in Mitchells Island?
In September, the average daily maximum UV index in Mitchells Island, Australia, is 4. A UV Index estimate of 3 to 5 represents 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Mitchells Island, Australia
Average temperature in September
Mitchells Island, Australia
  • Average high temperature in September: 21.4°C

The warmest month (with the highest average high temperature) is January (28.3°C).
The month with the lowest average high temperature is July (16.8°C).

  • Average low temperature in September: 11.8°C

The month with the highest average low temperature is January (19.3°C).
The coldest month (with the lowest average low temperature) is July (8.9°C).

Average pressure in September - Mitchells Island, Australia
Average pressure in September
Mitchells Island, Australia
  • Average pressure in September: 1017.5mbar

The months with the highest atmospheric pressure are June and July (1020.7mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).

Average wind speed in September - Mitchells Island, Australia
Average wind speed in September
Mitchells Island, Australia
  • Average wind speed in September: 11km/h

The windiest month (with the highest average wind speed) is December (11.2km/h).
The calmest month (with the lowest average wind speed) is April (8.9km/h).

Average humidity in September - Mitchells Island, Australia
Average humidity in September
Mitchells Island, Australia
  • Average humidity in September: 68%

The months with the highest relative humidity are March and June (80%).
The month with the lowest relative humidity is September (68%).

Average rainfall in September - Mitchells Island, Australia
Average rainfall in September
Mitchells Island, Australia
  • Average rainfall in September: 27mm

The wettest month (with the highest rainfall) is March (96mm).
The driest month (with the least rainfall) is September (27mm).

Average rainfall days in September - Mitchells Island, Australia
Average rainfall days in September
Mitchells Island, Australia
  • Average rainfall days in September: 9.4 days

The month with the highest number of rainy days is March (16.8 days).
The month with the least rainy days is August (8.3 days).

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

The month with the longest days is December (Average daylight: 14h and 12min).
The month with the shortest days is June (Average daylight: 10h and 6min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is November (Average sunshine: 9h and 30min).
The month with the least sunshine is June (Average sunshine: 5h and 42min).

Average sunshine days in September - Mitchells Island, Australia
Average sunshine days in September
Mitchells Island, Australia
  • Average sunshine days in September: 19.2 days

The month with the most sunshine days is August (21.3 days).
The month with the least sunshine days is February (10.6 days).

Average UV index in September - Mitchells Island, Australia
Average UV index in September
Mitchells Island, Australia
  • Average UV index in September: 4

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

Average cloud cover in September - Mitchells Island, Australia
Average cloud cover in September
Mitchells Island, Australia
  • Average cloud cover in September: 25

The months with the most cloud cover are February and March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 23).

Average visibility in September - Mitchells Island, Australia
Average visibility in September
Mitchells Island, Australia
  • Average visibility in September: 10km

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

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