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September Weather in Gundaroo, Australia

Last updated: August 22, 2025

In Gundaroo, Australia, the average temperature in September hovers around 10°C (49°F), presenting a mild climate. Expect temperatures to range from a chilly -4°C (25°F) at their lowest to a warm 27°C (81°F) at their peak. During this month, anticipate approximately 47 mm (1.9 in) of precipitation over 6 days, contributing to an average humidity of about 70%. Perfect weather for cozy indoor activities or light outdoor adventures!

September Temperature in Gundaroo

In September in Gundaroo, the average temperature is 10°C (49°F). Maximum temperatures can reach 27°C (81°F), while the minimum can drop as low as -4°C (25°F). This makes it a season of diverse weather, so travelers should be prepared for both warm and chilly days.

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

The chart illustrates September temperature patterns in Gundaroo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gundaroo, September typically has an average temperature of 10°C (49°F), with highs reaching up to 27°C (81°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec716763564843434349566066
Data source: Temperature data for Gundaroo 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 Gundaroo

In Gundaroo in September, the precipitation amount is 47 mm (1.9 in) over the course of 6 days.

September Precipitation Trends in Gundaroo

The chart displays monthly precipitation patterns in Gundaroo, 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 Gundaroo, September typically receives around 47 mm (1.9 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec366377244640407347639374
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Gundaroo

In Gundaroo in September, humidity is 70%. With an average temperature of 10°C (49°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel more strenuous and travel a bit uncomfortable.

September Average Humidity in Gundaroo

This chart illustrates the average monthly humidity levels in Gundaroo, 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 Gundaroo is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec58%65%68%74%78%80%81%77%70%58%57%61%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Gundaroo

In Gundaroo 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 Gundaroo.

Maximum UV Index Levels in Gundaroo for September

The chart shows the monthly maximum UV Index (UVI) for Gundaroo 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 Gundaroo typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151312853458101315
Data source: Gundaroo 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 Gundaroo Compares to Other Months

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

This table compares monthly weather conditions in Gundaroo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (71°F)36 mm (1.4 inches)58%extreme
February Weather19°C (67°F)63 mm (2.5 inches)65%extreme
March Weather17°C (63°F)77 mm (3.0 inches)68%extreme
April Weather14°C (57°F)24 mm (1.0 inches)74%very high
May Weather9°C (49°F)46 mm (1.8 inches)78%moderate
June Weather6°C (44°F)40 mm (1.6 inches)79%moderate
July Weather6°C (43°F)40 mm (1.6 inches)80%moderate
August Weather6°C (44°F)73 mm (2.9 inches)77%moderate
September Weather10°C (49°F)47 mm (1.9 inches)70%very high
October Weather13°C (56°F)63 mm (2.5 inches)58%very high
November Weather16°C (61°F)93 mm (3.7 inches)57%extreme
December Weather19°C (66°F)74 mm (2.9 inches)61%extreme

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