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September Weather in Rupanyup, Australia

Last updated: August 22, 2025

In September, the average temperature in Rupanyup, Australia hovers around 11°C (51°F). Expect chilly lows of -2°C (29°F) and pleasant highs reaching 27°C (81°F). With an average humidity of 72%, the air may feel quite moist. Rainfall is also likely, with 34 mm (1.3 in) of precipitation spread over 8 days during the month.

September Temperature in Rupanyup

In September in Rupanyup, the average temperature is 11°C (51°F). The maximum can reach 27°C (81°F), while the minimum can drop as low as -2°C (29°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates September temperature patterns in Rupanyup, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rupanyup, September typically has an average temperature of 11°C (51°F), with highs reaching up to 27°C (81°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec737067595247474751576368
Data source: Temperature data for Rupanyup 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 Rupanyup

In Rupanyup in September, the precipitation amount is 34 mm (1.3 in) over a span of 8 days.

September Precipitation Trends in Rupanyup

The chart displays monthly precipitation patterns in Rupanyup, 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 Rupanyup, September typically receives around 34 mm (1.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec311833315338425134454333
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Rupanyup

In Rupanyup in September, humidity is 72%. With an average temperature of 11°C (51°F), this humidity feels like a chilly dampness that clings to your skin, making traveling a bit uncomfortable and urging you to dress in layers to stay warm and dry.

September Average Humidity in Rupanyup

This chart illustrates the average monthly humidity levels in Rupanyup, 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 Rupanyup is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec43%49%60%71%79%82%83%79%72%61%59%50%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Rupanyup

In Rupanyup 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 Rupanyup.

Maximum UV Index Levels in Rupanyup for September

The chart shows the monthly maximum UV Index (UVI) for Rupanyup 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 Rupanyup typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141211753357101215
Data source: Rupanyup 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 Rupanyup Compares to Other Months

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

This table compares monthly weather conditions in Rupanyup, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (73°F)31 mm (1.2 inches)43%extreme
February Weather21°C (70°F)18 mm (0.7 inches)49%extreme
March Weather19°C (67°F)33 mm (1.3 inches)60%extreme
April Weather15°C (60°F)31 mm (1.2 inches)71%high
May Weather11°C (52°F)53 mm (2.1 inches)79%moderate
June Weather9°C (48°F)38 mm (1.5 inches)81%moderate
July Weather8°C (47°F)42 mm (1.6 inches)83%moderate
August Weather9°C (48°F)51 mm (2.0 inches)79%moderate
September Weather11°C (51°F)34 mm (1.3 inches)72%high
October Weather14°C (57°F)45 mm (1.8 inches)61%very high
November Weather17°C (63°F)43 mm (1.7 inches)59%extreme
December Weather20°C (68°F)33 mm (1.3 inches)50%extreme

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