September Weather in St. Georges Basin, Australia

Last updated: August 22, 2025

In September, the average temperature in St. Georges Basin, Australia hovers around 14°C (57°F), with a minimum of 3°C (38°F) and a maximum reaching up to 30°C (86°F). Expect about 44 mm (1.7 in) of precipitation spread over 7 days, contributing to an average humidity level of 64%. Enjoy the mild climate while staying prepared for the occasional drizzle!

September Temperature in St. Georges Basin

In September in St. Georges Basin, the average temperature is 14°C (57°F). The maximum can reach 30°C (86°F), while the minimum can be as low as 3°C (38°F). Be sure to pack both light and warm clothing to enjoy your trip comfortably!

September Weather in St. Georges Basin: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in St. Georges Basin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In St. Georges Basin, September typically has an average temperature of 14°C (57°F), with highs reaching up to 30°C (86°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec716967625652515257616468
Data source: Temperature data for St. Georges Basin 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 St. Georges Basin

In St. Georges Basin in September, the precipitation amount is 44 mm (1.7 in) spread over a duration of 7 days.

September Precipitation Trends in St. Georges Basin

The chart displays monthly precipitation patterns in St. Georges Basin, 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 St. Georges Basin, September typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec641321554358524964448211089
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in St. Georges Basin

In St. Georges Basin in September, humidity is 64%. With an average temperature of 14°C (57°F), this humidity feels like a mild embrace, making it comfortable for traveling but with a slight stickiness in the air that encourages you to stay hydrated and seek shade during the warmest part of the day.

September Average Humidity in St. Georges Basin

This chart illustrates the average monthly humidity levels in St. Georges Basin, 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 St. Georges Basin is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%75%73%73%72%70%69%68%64%61%64%71%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in St. Georges Basin

In St. Georges Basin 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 St. Georges Basin.

Maximum UV Index Levels in St. Georges Basin for September

The chart shows the monthly maximum UV Index (UVI) for St. Georges Basin 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 St. Georges Basin typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151312853458101214
Data source: St. Georges Basin 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 St. Georges Basin Compares to Other Months

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

This table compares monthly weather conditions in St. Georges Basin, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (72°F)64 mm (2.5 inches)70%extreme
February Weather21°C (69°F)132 mm (5.2 inches)74%extreme
March Weather19°C (67°F)155 mm (6.1 inches)73%extreme
April Weather17°C (63°F)43 mm (1.7 inches)73%very high
May Weather13°C (56°F)58 mm (2.3 inches)72%moderate
June Weather11°C (52°F)52 mm (2.1 inches)70%moderate
July Weather11°C (52°F)49 mm (1.9 inches)69%moderate
August Weather11°C (52°F)64 mm (2.5 inches)68%moderate
September Weather14°C (57°F)44 mm (1.7 inches)64%very high
October Weather16°C (61°F)82 mm (3.2 inches)61%very high
November Weather18°C (64°F)110 mm (4.3 inches)64%extreme
December Weather20°C (68°F)89 mm (3.5 inches)71%extreme

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