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September Weather in Coolah, Australia

Last updated: August 22, 2025

In Coolah, Australia during September, the average temperature is a comfortable 13°C (56°F). Temperatures can vary significantly, dipping to a chilly -1°C (30°F) at their lowest and soaring to a warm 31°C (88°F) at their peak. Prepare for some light rainfall, with an average precipitation of 22 mm (0.9 in) over 4 days, contributing to an average humidity of 68%.

September Temperature in Coolah

In September in Coolah, the average temperature is 13°C (56°F). Maximum temperatures can reach 31°C (88°F), while minimums can drop as low as -1°C (30°F). Be prepared for a wide range of temperatures when traveling to Coolah in September.

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

The chart illustrates September temperature patterns in Coolah, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Coolah, September typically has an average temperature of 13°C (56°F), with highs reaching up to 31°C (88°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec767268615348464855626672
Data source: Temperature data for Coolah 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 Coolah

In Coolah in September, the precipitation amount is 22 mm (0.9 in) over a duration of 4 days.

September Precipitation Trends in Coolah

The chart displays monthly precipitation patterns in Coolah, 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 Coolah, September typically receives around 22 mm (0.9 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec395596222835323222647761
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Coolah

In Coolah in September humidity is 68%. With an average temperature of 13°C (56°F), this humidity feels like a cool, damp embrace that can make walking around feel heavier and more exhausting, though the crisp air can be refreshing if you dress warmly enough for your travels.

September Average Humidity in Coolah

This chart illustrates the average monthly humidity levels in Coolah, 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 Coolah is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec51%56%66%73%78%78%75%72%68%55%49%62%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Coolah

In Coolah 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 Coolah.

Maximum UV Index Levels in Coolah for September

The chart shows the monthly maximum UV Index (UVI) for Coolah 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 Coolah typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161413964478111315
Data source: Coolah 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 Coolah Compares to Other Months

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

This table compares monthly weather conditions in Coolah, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)39 mm (1.5 inches)51%extreme
February Weather22°C (73°F)55 mm (2.2 inches)55%extreme
March Weather20°C (68°F)96 mm (3.8 inches)66%extreme
April Weather16°C (61°F)22 mm (0.9 inches)73%very high
May Weather11°C (53°F)28 mm (1.1 inches)77%high
June Weather9°C (48°F)35 mm (1.4 inches)78%moderate
July Weather8°C (47°F)32 mm (1.3 inches)75%moderate
August Weather9°C (48°F)32 mm (1.3 inches)72%high
September Weather13°C (56°F)22 mm (0.9 inches)68%very high
October Weather16°C (62°F)64 mm (2.5 inches)55%extreme
November Weather19°C (66°F)77 mm (3.0 inches)49%extreme
December Weather22°C (72°F)60 mm (2.4 inches)62%extreme

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