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September Weather in Lilydale, Australia

Last updated: August 22, 2025

In September, the average temperature in Lilydale, Australia hovers around 9°C (49°F), with a minimum dipping to -2°C (28°F) and a maximum reaching 20°C (68°F). Expect 78 mm (3.1 in) of precipitation spread over 10 days, accompanied by a notable average humidity of 80%. Perfect for cozy indoor activities and enjoying the beauty of nature!

September Temperature in Lilydale

In September in Lilydale, the average temperature is 9°C (49°F). The maximum can reach 20°C (68°F) and the minimum can drop to as low as -2°C (28°F). This variability makes it an ideal time for travelers to pack layers and enjoy both mild days and cooler evenings.

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

The chart illustrates September temperature patterns in Lilydale, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lilydale, September typically has an average temperature of 9°C (49°F), with highs reaching up to 20°C (68°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec646160545046454648535660
Data source: Temperature data for Lilydale 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 Lilydale

In Lilydale in September, the precipitation amount is 78 mm (3.1 in) over the course of 10 days.

September Precipitation Trends in Lilydale

The chart displays monthly precipitation patterns in Lilydale, 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 Lilydale, September typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec5273746487661178578895973
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lilydale

In Lilydale 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 Lilydale

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

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

Maximum UV Index Levels in Lilydale for September

The chart shows the monthly maximum UV Index (UVI) for Lilydale 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 Lilydale typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec13111064224681113
Data source: Lilydale 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 Lilydale Compares to Other Months

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

This table compares monthly weather conditions in Lilydale, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (64°F)52 mm (2.1 inches)69%extreme
February Weather16°C (61°F)73 mm (2.9 inches)68%extreme
March Weather16°C (60°F)74 mm (2.9 inches)72%very high
April Weather12°C (55°F)64 mm (2.5 inches)77%high
May Weather10°C (50°F)87 mm (3.4 inches)83%moderate
June Weather8°C (46°F)66 mm (2.6 inches)83%low
July Weather7°C (45°F)117 mm (4.6 inches)84%low
August Weather8°C (46°F)85 mm (3.3 inches)83%moderate
September Weather9°C (49°F)78 mm (3.1 inches)80%high
October Weather11°C (53°F)89 mm (3.5 inches)76%very high
November Weather14°C (57°F)59 mm (2.3 inches)76%extreme
December Weather15°C (60°F)73 mm (2.9 inches)71%extreme

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