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September Weather in Mullion Creek, Australia

Last updated: August 22, 2025

In September, the average temperature in Mullion Creek, Australia hovers around 10°C (50°F). While the minimum can drop to a brisk -4°C (25°F), you might also experience highs of up to 28°C (82°F). Expect about 43 mm (1.7 in) of precipitation spread across 6 days, and a comfortable average humidity of 69% during this time.

September Temperature in Mullion Creek

In September in Mullion Creek, the average temperature is 10°C (50°F). Maximums can reach 28°C (82°F) and minimums can drop to as low as -4°C (25°F). This diverse temperature range makes Mullion Creek ideal for travelers seeking both warm and chilly weather experiences.

September Weather in Mullion Creek: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Mullion Creek, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mullion Creek, September typically has an average temperature of 10°C (50°F), with highs reaching up to 28°C (82°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec726864564843424349576167
Data source: Temperature data for Mullion Creek generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Mullion Creek

In Mullion Creek in September, the precipitation amount is 43 mm (1.7 in) over a period of 6 days.

September Precipitation Trends in Mullion Creek

The chart displays monthly precipitation patterns in Mullion Creek, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Mullion Creek, September typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec4770100303944475843639482
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mullion Creek

In Mullion Creek in September, humidity is 69%. With an average temperature of 10°C (50°F), this humidity feels like a cool mist that clings to your skin, making outdoor activities invigorating yet slightly damp, so travelers should dress in layers to adjust to the refreshing air.

September Average Humidity in Mullion Creek

This chart illustrates the average monthly humidity levels in Mullion Creek, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Mullion Creek is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec55%60%68%74%78%78%79%74%69%58%53%62%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mullion Creek

In Mullion Creek in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Mullion Creek.

Maximum UV Index Levels in Mullion Creek for September

The chart shows the monthly maximum UV Index (UVI) for Mullion Creek in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Mullion Creek typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151413864468111315
Data source: Mullion Creek September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Mullion Creek Compares to Other Months

Weather in Mullion Creek varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Mullion Creek, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Mullion Creek, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (72°F)47 mm (1.9 inches)55%extreme
February Weather20°C (68°F)70 mm (2.7 inches)60%extreme
March Weather18°C (64°F)100 mm (3.9 inches)68%extreme
April Weather14°C (57°F)30 mm (1.2 inches)74%very high
May Weather9°C (49°F)39 mm (1.5 inches)78%high
June Weather6°C (44°F)44 mm (1.7 inches)78%moderate
July Weather6°C (42°F)47 mm (1.9 inches)79%moderate
August Weather6°C (43°F)58 mm (2.3 inches)74%high
September Weather10°C (50°F)43 mm (1.7 inches)69%very high
October Weather14°C (57°F)63 mm (2.5 inches)57%extreme
November Weather16°C (61°F)94 mm (3.7 inches)53%extreme
December Weather19°C (67°F)82 mm (3.2 inches)62%extreme

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