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September Weather in Darnum, Australia

Last updated: August 22, 2025

In September, the average temperature in Darnum, Australia hovers around 11°C (52°F). You'll experience a brisk chill with temperatures dipping as low as -1°C (31°F) at night and potentially reaching a warm 27°C (81°F) during the day. However, be prepared for some rain, as 96 mm (3.8 in) of precipitation can fall over 15 days. The air is quite humid too, with an average humidity of 77%.

September Temperature in Darnum

In September in Darnum, the average temperature is 11°C (52°F). Maximum can reach 27°C (81°F) and minimum can be as low as -1°C (31°F). Be sure to pack layers if you're traveling, as temperatures can vary significantly throughout the day.

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

The chart illustrates September temperature patterns in Darnum, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Darnum, September typically has an average temperature of 11°C (52°F), with highs reaching up to 27°C (81°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec676463575248484851555963
Data source: Temperature data for Darnum 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 Darnum

In Darnum in September, the precipitation amount is 96 mm (3.8 in) over the course of 15 days.

September Precipitation Trends in Darnum

The chart displays monthly precipitation patterns in Darnum, 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 Darnum, September typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec4755486780607510696948180
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Darnum

In Darnum in September humidity is 77%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that can make outdoor activities uncomfortable if not properly dressed, as the moisture in the air amplifies the cold, leaving travelers feeling cooler than expected.

September Average Humidity in Darnum

This chart illustrates the average monthly humidity levels in Darnum, 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 Darnum is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%65%70%75%79%81%82%80%77%71%71%67%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Darnum

In Darnum in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Darnum.

Maximum UV Index Levels in Darnum for September

The chart shows the monthly maximum UV Index (UVI) for Darnum 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 Darnum typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec13121174334791114
Data source: Darnum 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 Darnum Compares to Other Months

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

This table compares monthly weather conditions in Darnum, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (67°F)47 mm (1.9 inches)64%extreme
February Weather18°C (65°F)55 mm (2.2 inches)65%extreme
March Weather17°C (64°F)48 mm (1.9 inches)70%extreme
April Weather14°C (58°F)67 mm (2.6 inches)75%high
May Weather11°C (52°F)80 mm (3.1 inches)79%moderate
June Weather9°C (48°F)60 mm (2.4 inches)81%moderate
July Weather9°C (48°F)74 mm (2.9 inches)82%moderate
August Weather9°C (48°F)106 mm (4.2 inches)80%moderate
September Weather11°C (52°F)96 mm (3.8 inches)77%high
October Weather13°C (56°F)94 mm (3.7 inches)71%very high
November Weather15°C (60°F)81 mm (3.2 inches)71%extreme
December Weather17°C (63°F)80 mm (3.1 inches)67%extreme

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