September weather forecast
Kalgoorlie, Australia

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Weather in September

With the arrival of September, there is a discernible shift in the weather as Kalgoorlie leans into spring. A gradual rise in temperatures, longer sunshine hours, and an increase in UV Index readings suggest a transformation in the climate. The wind speed, gradually increasing since August, imparts a unique character to the season. In the transition from September to October, local residents look forward to further elevations in temperature, longer daylight hours, and a progressive reduction in rainfall.

Temperature

As Kalgoorlie welcomes September, the average high-temperature is noted at a pleasant 20.5°C (68.9°F), closely aligning with the preceding month. An average nighttime temperature of 9.6°C (49.3°F) is noted during the month of September.

Humidity

In September, the average relative humidity in Kalgoorlie is 51%.

Rainfall

In Kalgoorlie, during September, the rain falls for 4.8 days and regularly aggregates up to 11mm (0.43") of precipitation. Throughout the year, in Kalgoorlie, there are 72.4 rainfall days, and 189mm (7.44") of precipitation is accumulated.

Daylight

The average length of the day in September is 11h and 55min.
On the first day of September in Kalgoorlie, Australia, sunrise is at 6:09 am and sunset at 5:38 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 5:55 pm AWST.

Sunshine

In Kalgoorlie, the average sunshine in September is 8.6h.

UV index

The average daily maximum UV index in September in Kalgoorlie is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 5 suggests this advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
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Frequently asked questions

What is the average September temperature in Kalgoorlie?

In September, in Kalgoorlie, the average high-temperature is 20.5°C (68.9°F), and the average low-temperature is 9.6°C (49.3°F). The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in March is estimated at 28°C (82.4°F).

What is the average humidity in September in Kalgoorlie?

In Kalgoorlie, Australia, the average relative humidity in September is 51%.

How many days does it rain in September in Kalgoorlie?

In Kalgoorlie, in September, during 4.8 rainfall days, 11mm (0.43") of precipitation is typically accumulated.

How many hours of daylight does Kalgoorlie have in September?

In September, the average day length in Kalgoorlie, Australia, is 11h and 55min.

When are sunrise and sunset in September in Kalgoorlie?

On the first day of September in Kalgoorlie, sunrise is at 6:09 am and sunset at 5:38 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 5:55 pm AWST.

How many hours of sunshine does Kalgoorlie have in September?

The average sunshine duration in September is 8.6h.

What is the UV index intensity in September in Kalgoorlie?

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.

Average temperature in September
Kalgoorlie, Australia

Average temperature in September - Kalgoorlie, Australia
  • Average high temperature in September: 20.5°C

The warmest month (with the highest average high temperature) is January (32.6°C).
The month with the lowest average high temperature is July (16°C).

  • Average low temperature in September: 9.6°C

The month with the highest average low temperature is January (19.4°C).
The coldest month (with the lowest average low temperature) is July (7.8°C).

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Average pressure in September
Kalgoorlie, Australia

Average pressure in September - Kalgoorlie, Australia
  • Average pressure in September: 1018.4mbar

The month with the highest atmospheric pressure is June (1021.7mbar).
The month with the lowest atmospheric pressure is January (1011.2mbar).

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Average wind speed in September
Kalgoorlie, Australia

Average wind speed in September - Kalgoorlie, Australia
  • Average wind speed in September: 19.2km/h

The windiest month (with the highest average wind speed) is January (20.8km/h).
The calmest month (with the lowest average wind speed) is May (15.7km/h).

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Average humidity in September
Kalgoorlie, Australia

Average humidity in September - Kalgoorlie, Australia
  • Average humidity in September: 51%

The month with the highest relative humidity is July (64%).
The month with the lowest relative humidity is December (39%).

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Average rainfall in September
Kalgoorlie, Australia

Average rainfall in September - Kalgoorlie, Australia
  • Average rainfall in September: 11mm

The wettest month (with the highest rainfall) is January (25mm).
The driest month (with the least rainfall) is May (7mm).

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Average rainfall days in September
Kalgoorlie, Australia

Average rainfall days in September - Kalgoorlie, Australia
  • Average rainfall days in September: 4.8 days

The month with the highest number of rainy days is March (7.5 days).
The month with the least rainy days is May (4.4 days).

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

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

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

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is December (Average sunshine: 11h and 42min).
The month with the least sunshine is July (Average sunshine: 6h and 30min).

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Average sunshine days in September
Kalgoorlie, Australia

Average sunshine days in September - Kalgoorlie, Australia
  • Average sunshine days in September: 24 days

The month with the most sunshine days is May (25.1 days).
The month with the least sunshine days is February (19.6 days).

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Average UV index in September
Kalgoorlie, Australia

Average UV index in September - Kalgoorlie, Australia
  • Average UV index in September: 5

The month with the highest UV index is December (UV index 7).
The month with the lowest UV index is June (UV index 3).

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Average cloud cover in September
Kalgoorlie, Australia

Average cloud cover in September - Kalgoorlie, Australia
  • Average cloud cover in September: 17

The months with the most cloud cover are June and July (Cloud cover 26).
The month with the least cloud cover is December (Cloud cover 15).

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Average visibility in September
Kalgoorlie, Australia

Average visibility in September - Kalgoorlie, Australia
  • Average visibility in September: 10km

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

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Kalgoorlie, Australia

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