September Weather in Eton, Australia

Last updated: August 22, 2025

In September, the average temperature in Eton, Australia is a pleasant 20°C (68°F), with daily highs reaching up to 31°C (88°F) and occasional lows of 7°C (45°F). Expect a bit of rain, with 17 mm (0.7 in) of precipitation spread over about 3 days. Humidity hovers around 65%, making for a comfortable climate throughout the month!

September Temperature in Eton

In September in Eton, the average temperature is 20°C (68°F). The maximum can reach 31°C (88°F) and the minimum can be as low as 7°C (45°F). This makes it an ideal time to explore the sights while enjoying comfortable weather.

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

The chart illustrates September temperature patterns in Eton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Eton, September typically has an average temperature of 20°C (68°F), with highs reaching up to 31°C (88°F) and lows dropping to around 7°C (45°F).

Data source: Temperature data for Eton generated using information from the Copernicus Climate Change Service.

September Precipitation in Eton

In Eton in September, the precipitation amount is 17 mm (0.7 in) over the course of 3 days.

September Precipitation Trends in Eton

The chart displays monthly precipitation patterns in Eton, 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 Eton, September typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 3 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Eton

In Eton in September humidity is 65%. With an average temperature of 20°C (68°F), this humidity feels quite muggy for traveling, making even short walks feel a bit sticky and requiring frequent hydration.

September Average Humidity in Eton

This chart illustrates the average monthly humidity levels in Eton, 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 Eton is approximately 65%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Eton

In Eton in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Eton.

Maximum UV Index Levels in Eton for September

The chart shows the monthly maximum UV Index (UVI) for Eton 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 Eton typically reaches 12, which falls under the extreme exposure category.

Data source: Eton 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 Eton Compares to Other Months

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

This table compares monthly weather conditions in Eton, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	227 mm (9.0 inches)	73%	extreme
February Weather	26°C (80°F)	163 mm (6.4 inches)	77%	extreme
March Weather	26°C (78°F)	239 mm (9.4 inches)	80%	extreme
April Weather	23°C (74°F)	93 mm (3.7 inches)	76%	extreme
May Weather	20°C (69°F)	58 mm (2.3 inches)	72%	very high
June Weather	18°C (64°F)	21 mm (0.8 inches)	71%	high
July Weather	17°C (63°F)	32 mm (1.3 inches)	63%	very high
August Weather	18°C (64°F)	14 mm (0.6 inches)	71%	very high
September Weather	20°C (68°F)	17 mm (0.7 inches)	65%	extreme
October Weather	23°C (74°F)	52 mm (2.0 inches)	64%	extreme
November Weather	25°C (77°F)	43 mm (1.7 inches)	66%	extreme
December Weather	26°C (79°F)	146 mm (5.7 inches)	70%	extreme