September Weather in Willyung, Australia

Last updated: August 22, 2025

In September, the average temperature in Willyung, Australia is a comfortable 13°C (56°F), with lows dipping to 6°C (43°F) and highs reaching up to 24°C (76°F). Expect 55 mm (2.2 in) of precipitation spread over about 10 days. The air carries a pleasant average humidity of 74%, making it a refreshing time to visit!

September Temperature in Willyung

In September in Willyung, the average temperature is 13°C (56°F). Maximums can reach 24°C (76°F), while minimums can drop to as low as 6°C (43°F). This mild climate makes for pleasant travel experiences, so pack accordingly!

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

The chart illustrates September temperature patterns in Willyung, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Willyung, September typically has an average temperature of 13°C (56°F), with highs reaching up to 24°C (76°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec656665625956545455586063
Data source: Temperature data for Willyung 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 Willyung

In Willyung in September, the precipitation amount is 55 mm (2.2 in) spread over a duration of 10 days.

September Precipitation Trends in Willyung

The chart displays monthly precipitation patterns in Willyung, 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 Willyung, September typically receives around 55 mm (2.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec153437304346588255363219
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Willyung

In Willyung in September humidity is 74%. With an average temperature of 13°C (56°F), this humidity feels like a damp chill that can make outdoor activities uncomfortable, especially for travelers unaccustomed to such conditions.

September Average Humidity in Willyung

This chart illustrates the average monthly humidity levels in Willyung, 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 Willyung is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%71%73%76%74%76%76%75%74%70%68%70%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Willyung

In Willyung 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 Willyung.

Maximum UV Index Levels in Willyung for September

The chart shows the monthly maximum UV Index (UVI) for Willyung 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 Willyung typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141411853457101214
Data source: Willyung 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 Willyung Compares to Other Months

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

This table compares monthly weather conditions in Willyung, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (65°F)15 mm (0.6 inches)70%extreme
February Weather19°C (66°F)33 mm (1.3 inches)71%extreme
March Weather18°C (66°F)37 mm (1.5 inches)73%extreme
April Weather17°C (63°F)30 mm (1.2 inches)76%very high
May Weather15°C (59°F)43 mm (1.7 inches)74%moderate
June Weather13°C (56°F)46 mm (1.8 inches)76%moderate
July Weather12°C (54°F)58 mm (2.3 inches)76%moderate
August Weather12°C (54°F)82 mm (3.2 inches)75%moderate
September Weather13°C (56°F)55 mm (2.2 inches)74%high
October Weather14°C (58°F)36 mm (1.4 inches)70%very high
November Weather15°C (60°F)32 mm (1.3 inches)68%extreme
December Weather17°C (63°F)19 mm (0.8 inches)69%extreme

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