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September Weather in Crystal Brook, Australia

Last updated: August 22, 2025

In September, the average temperature in Crystal Brook, Australia is a comfortable 14°C (57°F). Expect a minimum chill of 1°C (33°F) and some pleasantly warm days with a maximum of 32°C (90°F). During this month, 27 mm (1.1 in) of precipitation typically falls over 6 days, while the average humidity sits at a refreshing 57%.

September Temperature in Crystal Brook

In September in Crystal Brook, the average temperature is 14°C (57°F). Maximums can reach 32°C (90°F), and minimums can be as low as 1°C (33°F). Be sure to pack for a range of temperatures to fully enjoy your visit!

September Weather in Crystal Brook: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Crystal Brook, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Crystal Brook, September typically has an average temperature of 14°C (57°F), with highs reaching up to 32°C (90°F) and lows dropping to around 1°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec767371645550505157636772
Data source: Temperature data for Crystal Brook 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 Crystal Brook

In Crystal Brook in September, the precipitation amount is 27 mm (1.1 in) over a period of 6 days.

September Precipitation Trends in Crystal Brook

The chart displays monthly precipitation patterns in Crystal Brook, 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 Crystal Brook, September typically receives around 27 mm (1.1 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec14207273440354927304221
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Crystal Brook

In Crystal Brook in September, humidity is 57%. With an average temperature of 14°C (57°F), this humidity feels like a gentle, cool embrace, making it quite pleasant for traveling, as long as you dress in layers to adapt to the slightly damp conditions.

September Average Humidity in Crystal Brook

This chart illustrates the average monthly humidity levels in Crystal Brook, 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 Crystal Brook is approximately 57%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec30%35%50%60%69%71%72%64%57%40%40%37%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Crystal Brook

In Crystal Brook 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 Crystal Brook.

Maximum UV Index Levels in Crystal Brook for September

The chart shows the monthly maximum UV Index (UVI) for Crystal Brook 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 Crystal Brook typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151412964468111316
Data source: Crystal Brook 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 Crystal Brook Compares to Other Months

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

This table compares monthly weather conditions in Crystal Brook, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)14 mm (0.5 inches)30%extreme
February Weather23°C (73°F)20 mm (0.8 inches)35%extreme
March Weather22°C (71°F)7 mm (0.3 inches)50%extreme
April Weather18°C (64°F)27 mm (1.1 inches)60%very high
May Weather13°C (55°F)34 mm (1.3 inches)69%high
June Weather10°C (50°F)40 mm (1.6 inches)71%moderate
July Weather10°C (51°F)35 mm (1.4 inches)72%moderate
August Weather10°C (51°F)49 mm (1.9 inches)64%high
September Weather14°C (57°F)27 mm (1.1 inches)57%very high
October Weather17°C (63°F)30 mm (1.2 inches)40%extreme
November Weather19°C (67°F)42 mm (1.7 inches)40%extreme
December Weather22°C (73°F)21 mm (0.8 inches)37%extreme

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