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September Weather in Millfield, Australia

Last updated: August 22, 2025

In Millfield, Australia, the average temperature in September hovers around 15°C (60°F). However, be prepared for a range: it can dip to a chilly 3°C (38°F) or soar to a warm 34°C (93°F). Expect around 38 mm (1.5 in) of precipitation over approximately 7 days, and enjoy a comfortable average humidity of 63%.

September Temperature in Millfield

In September in Millfield, the average temperature is 15°C (60°F). Maximums can reach 34°C (93°F), and minimums can be as low as 3°C (38°F). This weather makes it a great time for travelers to enjoy a mix of warm days and cool evenings.

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

The chart illustrates September temperature patterns in Millfield, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Millfield, September typically has an average temperature of 15°C (60°F), with highs reaching up to 34°C (93°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec747269645753525459646771
Data source: Temperature data for Millfield 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 Millfield

In Millfield in September, the precipitation amount is 38 mm (1.5 in) over the course of 7 days.

September Precipitation Trends in Millfield

The chart displays monthly precipitation patterns in Millfield, 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 Millfield, September typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec47104172383049503038777992
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Millfield

In Millfield in September humidity is 63%. With an average temperature of 15°C (60°F), this humidity feels like a mild chill in the air, making it pleasant for traveling but possibly damp enough to warrant a light jacket as you explore the sights.

September Average Humidity in Millfield

This chart illustrates the average monthly humidity levels in Millfield, 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 Millfield is approximately 63%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%69%72%75%74%72%68%67%63%55%58%68%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Millfield

In Millfield 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 Millfield.

Maximum UV Index Levels in Millfield for September

The chart shows the monthly maximum UV Index (UVI) for Millfield 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 Millfield typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151412864468101215
Data source: Millfield 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 Millfield Compares to Other Months

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

This table compares monthly weather conditions in Millfield, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)47 mm (1.9 inches)65%extreme
February Weather22°C (72°F)103 mm (4.1 inches)69%extreme
March Weather20°C (69°F)172 mm (6.8 inches)72%extreme
April Weather18°C (64°F)38 mm (1.5 inches)75%very high
May Weather14°C (58°F)30 mm (1.2 inches)74%high
June Weather12°C (53°F)49 mm (1.9 inches)72%moderate
July Weather11°C (52°F)50 mm (2.0 inches)68%moderate
August Weather12°C (54°F)30 mm (1.2 inches)67%high
September Weather15°C (60°F)38 mm (1.5 inches)63%very high
October Weather18°C (64°F)77 mm (3.0 inches)55%very high
November Weather19°C (67°F)79 mm (3.1 inches)57%extreme
December Weather22°C (72°F)92 mm (3.6 inches)68%extreme

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