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September Weather in Arrawarra, Australia

Last updated: August 22, 2025

The average temperature in Arrawarra, Australia during September is a pleasant 17°C (64°F), with daily variations ranging from a crisp 10°C (50°F) to a warm 30°C (86°F). You can expect about 33 mm (1.3 in) of precipitation over 6 days, and the air carries an average humidity of 68%, creating a comfortable atmosphere for exploring this charming destination.

September Temperature in Arrawarra

In September in Arrawarra, the average temperature is 17°C (64°F). Maximums can reach up to 30°C (86°F), while minimums can dip as low as 10°C (50°F). This mild climate makes Arrawarra a great destination for outdoor activities and exploration.

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

The chart illustrates September temperature patterns in Arrawarra, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arrawarra, September typically has an average temperature of 17°C (64°F), with highs reaching up to 30°C (86°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec757573696560596063677073
Data source: Temperature data for Arrawarra 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 Arrawarra

In Arrawarra, in September, the precipitation amount is 33 mm (1.3 in) over the course of 6 days.

September Precipitation Trends in Arrawarra

The chart displays monthly precipitation patterns in Arrawarra, 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 Arrawarra, September typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec8418024985619150313311863179
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Arrawarra

In Arrawarra in September, humidity is 68%. With an average temperature of 17°C (64°F), this humidity feels like a damp embrace that lingers on the skin, making every step feel heavier and every breath a little more labored, which can be a challenge for traveling.

September Average Humidity in Arrawarra

This chart illustrates the average monthly humidity levels in Arrawarra, 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 Arrawarra is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%78%78%77%74%72%70%70%68%68%73%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Arrawarra

In Arrawarra in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Arrawarra.

Maximum UV Index Levels in Arrawarra for September

The chart shows the monthly maximum UV Index (UVI) for Arrawarra 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 Arrawarra typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151513964579111314
Data source: Arrawarra 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 Arrawarra Compares to Other Months

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

This table compares monthly weather conditions in Arrawarra, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)84 mm (3.3 inches)76%extreme
February Weather24°C (75°F)180 mm (7.1 inches)78%extreme
March Weather23°C (73°F)249 mm (9.8 inches)78%extreme
April Weather21°C (69°F)85 mm (3.3 inches)77%very high
May Weather18°C (65°F)61 mm (2.4 inches)74%high
June Weather16°C (61°F)91 mm (3.6 inches)71%moderate
July Weather15°C (60°F)50 mm (2.0 inches)70%moderate
August Weather16°C (60°F)31 mm (1.2 inches)70%high
September Weather17°C (64°F)33 mm (1.3 inches)68%very high
October Weather20°C (67°F)118 mm (4.7 inches)68%extreme
November Weather21°C (70°F)63 mm (2.5 inches)73%extreme
December Weather23°C (73°F)179 mm (7.0 inches)78%extreme

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