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September Weather in Gunnedah, Australia

Last updated: August 22, 2025

In Gunnedah, Australia, the average temperature in September hovers around 15°C (59°F), with a potential range from a chilly 1°C (34°F) to a warm 33°C (92°F). Expect approximately 21 mm (0.8 in) of precipitation over the course of 4 days, alongside an average humidity of 70%. Stay prepared and enjoy the diverse weather!

September Temperature in Gunnedah

In September in Gunnedah, the average temperature is 15°C (59°F). Maximums can reach 33°C (92°F), and minimums can be as low as 1°C (34°F). This diverse range of temperatures makes it essential for travelers to pack layers to accommodate both warm days and chilly nights.

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

The chart illustrates September temperature patterns in Gunnedah, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gunnedah, September typically has an average temperature of 15°C (59°F), with highs reaching up to 33°C (92°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec817772645651505259667176
Data source: Temperature data for Gunnedah 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 Gunnedah

In Gunnedah in September, the precipitation amount is 21 mm (0.8 in) over a span of 4 days.

September Precipitation Trends in Gunnedah

The chart displays monthly precipitation patterns in Gunnedah, 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 Gunnedah, September typically receives around 21 mm (0.8 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec3055102162431282421646964
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Gunnedah

In Gunnedah in September, humidity is 70%. With an average temperature of 15°C (59°F), this humidity feels like a warm embrace, making it slightly uncomfortable while traveling, as the moist air clings to your skin and can leave you feeling slightly lethargic.

September Average Humidity in Gunnedah

This chart illustrates the average monthly humidity levels in Gunnedah, 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 Gunnedah is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%69%77%82%81%79%74%73%70%59%60%72%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Gunnedah

In Gunnedah 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 Gunnedah.

Maximum UV Index Levels in Gunnedah for September

The chart shows the monthly maximum UV Index (UVI) for Gunnedah 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 Gunnedah typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161513974479111415
Data source: Gunnedah 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 Gunnedah Compares to Other Months

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

This table compares monthly weather conditions in Gunnedah, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)30 mm (1.2 inches)65%extreme
February Weather25°C (77°F)55 mm (2.2 inches)69%extreme
March Weather22°C (72°F)102 mm (4.0 inches)77%extreme
April Weather18°C (64°F)16 mm (0.6 inches)82%very high
May Weather13°C (56°F)24 mm (0.9 inches)81%high
June Weather10°C (51°F)31 mm (1.2 inches)79%moderate
July Weather10°C (50°F)27 mm (1.1 inches)74%moderate
August Weather11°C (52°F)24 mm (0.9 inches)73%high
September Weather15°C (59°F)21 mm (0.8 inches)70%very high
October Weather19°C (66°F)64 mm (2.5 inches)59%extreme
November Weather21°C (71°F)69 mm (2.7 inches)60%extreme
December Weather25°C (77°F)64 mm (2.5 inches)72%extreme

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