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September Weather in Millmerran, Australia

Last updated: August 22, 2025

The average temperature in Millmerran, Australia during September is a pleasant 17°C (62°F), with temperatures ranging from a cool 0°C (33°F) to a warm 34°C (94°F). Expect around 14 mm (0.5 in) of precipitation over approximately 3 days, and enjoy an average humidity of 69%, making for a comfortably mild environment.

September Temperature in Millmerran

In September in Millmerran, the average temperature is 17°C (62°F), with maximums reaching up to 34°C (94°F) and minimums dropping as low as 0°C (33°F). Pack accordingly to enjoy a range of temperatures during your visit!

September Weather in Millmerran: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Millmerran, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Millmerran, September typically has an average temperature of 17°C (62°F), with highs reaching up to 34°C (94°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec787673665954535562687276
Data source: Temperature data for Millmerran 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 Millmerran

In Millmerran in September, the precipitation amount is 14 mm (0.5 in) over the course of 3 days.

September Precipitation Trends in Millmerran

The chart displays monthly precipitation patterns in Millmerran, 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 Millmerran, September typically receives around 14 mm (0.5 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec456997131930241814925981
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Millmerran

In Millmerran in September, humidity is 69%. With an average temperature of 17°C (62°F), this humidity feels like a damp embrace, making traveling a bit uncomfortable as the air hangs heavy around you, causing you to sweat slightly more than usual and prompting a desire for refreshing breaks in shaded areas.

September Average Humidity in Millmerran

This chart illustrates the average monthly humidity levels in Millmerran, 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 Millmerran is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec69%69%75%79%76%77%72%73%69%61%60%69%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Millmerran

In Millmerran in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Millmerran.

Maximum UV Index Levels in Millmerran for September

The chart shows the monthly maximum UV Index (UVI) for Millmerran 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 Millmerran typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16151410755810121415
Data source: Millmerran 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 Millmerran Compares to Other Months

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

This table compares monthly weather conditions in Millmerran, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (78°F)45 mm (1.8 inches)69%extreme
February Weather25°C (77°F)69 mm (2.7 inches)69%extreme
March Weather23°C (73°F)97 mm (3.8 inches)75%extreme
April Weather19°C (66°F)13 mm (0.5 inches)79%very high
May Weather15°C (60°F)19 mm (0.7 inches)76%high
June Weather12°C (54°F)30 mm (1.2 inches)77%moderate
July Weather12°C (53°F)24 mm (0.9 inches)72%moderate
August Weather13°C (55°F)18 mm (0.7 inches)73%very high
September Weather17°C (62°F)14 mm (0.5 inches)69%very high
October Weather20°C (68°F)92 mm (3.6 inches)61%extreme
November Weather22°C (72°F)59 mm (2.3 inches)60%extreme
December Weather24°C (76°F)81 mm (3.2 inches)69%extreme

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