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September Weather in Roxby Downs, Australia

Last updated: August 22, 2025

In September, the average temperature in Roxby Downs, Australia is a pleasant 18°C (64°F). Expect a range that can dip as low as 4°C (40°F) and soar to a sizzling 37°C (99°F). Rainfall is minimal, with an average precipitation of 8 mm (0.3 in) spread across just 1 day, while humidity levels hover around 49%.

September Temperature in Roxby Downs

In September in Roxby Downs, the average temperature is 18°C (64°F), with maximums reaching up to 37°C (99°F) and minimums dipping as low as 4°C (40°F). It's advisable to pack layers to accommodate the warm days and cooler nights while enjoying your travels.

September Weather in Roxby Downs: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Roxby Downs, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roxby Downs, September typically has an average temperature of 18°C (64°F), with highs reaching up to 37°C (99°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec858179705954545664707582
Data source: Temperature data for Roxby Downs 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 Roxby Downs

In Roxby Downs in September, the precipitation amount is 8 mm (0.3 in) over the course of 1 day.

September Precipitation Trends in Roxby Downs

The chart displays monthly precipitation patterns in Roxby Downs, 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 Roxby Downs, September typically receives around 8 mm (0.3 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec13239166628812237
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Roxby Downs

In Roxby Downs in September humidity is 49%. With an average temperature of 18°C (64°F), this humidity feels like a refreshing embrace, making it pleasant for traveling as you can enjoy outdoor activities without feeling too hot or sticky.

September Average Humidity in Roxby Downs

This chart illustrates the average monthly humidity levels in Roxby Downs, 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 Roxby Downs is approximately 49%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec26%30%47%56%66%66%67%58%49%33%37%35%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Roxby Downs

In Roxby Downs in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Roxby Downs.

Maximum UV Index Levels in Roxby Downs for September

The chart shows the monthly maximum UV Index (UVI) for Roxby Downs 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 Roxby Downs typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151513964569121416
Data source: Roxby Downs 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 Roxby Downs Compares to Other Months

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

This table compares monthly weather conditions in Roxby Downs, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather29°C (85°F)13 mm (0.5 inches)26%extreme
February Weather27°C (81°F)23 mm (0.9 inches)30%extreme
March Weather26°C (79°F)9 mm (0.3 inches)47%extreme
April Weather21°C (71°F)16 mm (0.6 inches)56%very high
May Weather15°C (59°F)6 mm (0.2 inches)66%high
June Weather12°C (54°F)6 mm (0.2 inches)66%moderate
July Weather12°C (54°F)2 mm (0.1 inches)67%moderate
August Weather14°C (57°F)8 mm (0.3 inches)58%high
September Weather18°C (64°F)8 mm (0.3 inches)49%very high
October Weather21°C (71°F)12 mm (0.5 inches)33%extreme
November Weather24°C (75°F)23 mm (0.9 inches)37%extreme
December Weather28°C (82°F)7 mm (0.3 inches)35%extreme

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