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September Weather in Willaston, Australia

Last updated: August 22, 2025

In Willaston, Australia, the average temperature in September hovers around 13°C (55°F). Expect a cool minimum of 1°C (34°F), with balmy peaks reaching up to 30°C (86°F). During this month, precipitation totals about 35 mm (1.4 in) spread over 8 days, while the average humidity settles at 65%.

September Temperature in Willaston

In September in Willaston, the average temperature is 13°C (55°F). The maximum can reach 30°C (86°F), while the minimum can dip as low as 1°C (34°F). This variety in temperatures makes it essential to pack layers for your trip.

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

The chart illustrates September temperature patterns in Willaston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Willaston, September typically has an average temperature of 13°C (55°F), with highs reaching up to 30°C (86°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec737068635550505055606570
Data source: Temperature data for Willaston 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 Willaston

In Willaston in September, the precipitation amount is 35 mm (1.4 in) over the course of 8 days.

September Precipitation Trends in Willaston

The chart displays monthly precipitation patterns in Willaston, 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 Willaston, September typically receives around 35 mm (1.4 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec141810233537486035333413
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Willaston

In Willaston in September, humidity is 65%. With an average temperature of 13°C (55°F), this humidity feels like a cool, damp embrace, making it essential for travelers to dress in layers and be prepared for occasional drizzles, while still enjoying the freshness of the air.

September Average Humidity in Willaston

This chart illustrates the average monthly humidity levels in Willaston, 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 Willaston is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec41%46%55%66%73%76%76%70%65%51%50%46%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Willaston

In Willaston in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Willaston.

Maximum UV Index Levels in Willaston for September

The chart shows the monthly maximum UV Index (UVI) for Willaston 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 Willaston typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141412853458101315
Data source: Willaston 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 Willaston Compares to Other Months

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

This table compares monthly weather conditions in Willaston, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)14 mm (0.6 inches)41%extreme
February Weather21°C (71°F)18 mm (0.7 inches)46%extreme
March Weather20°C (69°F)10 mm (0.4 inches)55%extreme
April Weather17°C (63°F)23 mm (0.9 inches)66%very high
May Weather13°C (55°F)35 mm (1.4 inches)73%moderate
June Weather10°C (50°F)37 mm (1.5 inches)76%moderate
July Weather10°C (50°F)48 mm (1.9 inches)76%moderate
August Weather10°C (50°F)60 mm (2.4 inches)70%moderate
September Weather13°C (55°F)35 mm (1.4 inches)65%very high
October Weather16°C (60°F)33 mm (1.3 inches)51%very high
November Weather18°C (65°F)34 mm (1.3 inches)50%extreme
December Weather21°C (70°F)13 mm (0.5 inches)46%extreme

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