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September Weather in Hillwood, Australia

Last updated: August 22, 2025

In Hillwood, Australia, the average temperature in September hovers around 9°C (49°F), with a minimum dip to -1°C (30°F) and a maximum rise to 20°C (68°F). Expect about 72 mm (2.8 in) of precipitation spread across 11 days, accompanied by an average humidity of 80%. Whether you're exploring the outdoors or staying cozy inside, be prepared for a mix of temperatures and a fair share of rain!

September Temperature in Hillwood

In September in Hillwood, the average temperature is 9°C (49°F). The maximum can reach 20°C (68°F), and the minimum can be as low as -1°C (30°F). This makes it a great time to explore Hillwood, but be sure to pack accordingly for the varying temperatures!

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

The chart illustrates September temperature patterns in Hillwood, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hillwood, September typically has an average temperature of 9°C (49°F), with highs reaching up to 20°C (68°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec646261555046464649535761
Data source: Temperature data for Hillwood 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 Hillwood

In Hillwood in September, the precipitation amount is 72 mm (2.8 in) over the course of 11 days.

September Precipitation Trends in Hillwood

The chart displays monthly precipitation patterns in Hillwood, 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 Hillwood, September typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec4870696281611067572905666
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hillwood

In Hillwood in September, humidity is 80%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and prompting a need for layered clothing to stay comfortable while traveling.

September Average Humidity in Hillwood

This chart illustrates the average monthly humidity levels in Hillwood, 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 Hillwood is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec69%68%73%77%83%83%84%83%80%76%76%71%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hillwood

In Hillwood in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Hillwood, you can refer to this Hourly UV Index in Hillwood.

Maximum UV Index Levels in Hillwood for September

The chart shows the monthly maximum UV Index (UVI) for Hillwood 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 Hillwood typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec13111064224681013
Data source: Hillwood 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 Hillwood Compares to Other Months

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

This table compares monthly weather conditions in Hillwood, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (65°F)48 mm (1.9 inches)69%extreme
February Weather17°C (62°F)70 mm (2.8 inches)68%extreme
March Weather16°C (61°F)69 mm (2.7 inches)72%very high
April Weather13°C (55°F)62 mm (2.4 inches)77%high
May Weather10°C (51°F)81 mm (3.2 inches)83%moderate
June Weather8°C (47°F)61 mm (2.4 inches)83%low
July Weather8°C (46°F)106 mm (4.2 inches)84%low
August Weather8°C (47°F)75 mm (3.0 inches)83%moderate
September Weather9°C (49°F)72 mm (2.8 inches)80%high
October Weather12°C (54°F)90 mm (3.5 inches)76%very high
November Weather14°C (57°F)56 mm (2.2 inches)76%very high
December Weather16°C (61°F)66 mm (2.6 inches)71%extreme

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