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September Weather in Don, Australia

Last updated: August 22, 2025

In September, the average temperature in Don, Australia is a chilly 9°C (49°F). While the mercury can dip as low as -2°C (29°F), it might reach a comfortable 20°C (69°F) on warmer days. Expect 77 mm (3.0 in) of precipitation spread over about 13 days, leading to a notably high average humidity of 80%, which can make the air feel quite damp.

September Temperature in Don

In September in Don, the average temperature is 9°C (49°F), with maximums reaching 20°C (69°F) and minimums dipping as low as -2°C (29°F). This range makes it a great time for travelers to experience mild weather while enjoying the local attractions.

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

The chart illustrates September temperature patterns in Don, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Don, September typically has an average temperature of 9°C (49°F), with highs reaching up to 20°C (69°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec646160545047464648535760
Data source: Temperature data for Don 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 Don

In Don in September, the precipitation amount is 77 mm (3.0 in) spread over a total of 13 days.

September Precipitation Trends in Don

The chart displays monthly precipitation patterns in Don, 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 Don, September typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec45746667846710381771026657
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Don

In Don 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 Don

This chart illustrates the average monthly humidity levels in Don, 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 Don 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 Don

In Don 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 Don, you can refer to this Hourly UV Index in Don.

Maximum UV Index Levels in Don for September

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

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

This table compares monthly weather conditions in Don, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (64°F)45 mm (1.8 inches)69%extreme
February Weather16°C (62°F)74 mm (2.9 inches)68%extreme
March Weather16°C (60°F)66 mm (2.6 inches)72%very high
April Weather12°C (55°F)67 mm (2.7 inches)77%high
May Weather10°C (50°F)84 mm (3.3 inches)83%moderate
June Weather8°C (47°F)67 mm (2.6 inches)83%low
July Weather8°C (46°F)103 mm (4.0 inches)84%low
August Weather8°C (46°F)81 mm (3.2 inches)83%moderate
September Weather9°C (49°F)77 mm (3.0 inches)80%high
October Weather12°C (53°F)102 mm (4.0 inches)76%very high
November Weather14°C (57°F)66 mm (2.6 inches)76%very high
December Weather16°C (60°F)57 mm (2.2 inches)71%extreme

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