September Weather in Miriam Vale, Australia

Last updated: August 22, 2025

In September, the average temperature in Miriam Vale, Australia hovers around 19°C (67°F), with a comfortable average humidity of 67%. Expect a minimum temperature of 6°C (43°F) and occasional peaks reaching up to 34°C (94°F). During this time, precipitation is relatively low, averaging just 11 mm (0.4 in) over a couple of days. Enjoy the pleasant climate!

September Temperature in Miriam Vale

In September in Miriam Vale, the average temperature is 19°C (67°F). Maximums can reach up to 34°C (94°F), while minimums can drop as low as 6°C (43°F). This makes it a great time for travelers to experience mild weather with warm afternoons and cooler evenings.

September Weather in Miriam Vale: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Miriam Vale, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Miriam Vale, September typically has an average temperature of 19°C (67°F), with highs reaching up to 34°C (94°F) and lows dropping to around 6°C (43°F).

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

September Precipitation in Miriam Vale

In Miriam Vale in September, the precipitation amount is 11 mm (0.4 in) over the course of 2 days.

September Precipitation Trends in Miriam Vale

The chart displays monthly precipitation patterns in Miriam Vale, 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 Miriam Vale, September typically receives around 11 mm (0.4 inches) of precipitation spread over approximately 2 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 Miriam Vale

In Miriam Vale in September, humidity is 67%. With an average temperature of 19°C (67°F), this humidity feels like walking through a warm, soft blanket, making sightseeing and outdoor activities a bit more challenging but still enjoyable for those prepared with light clothing and plenty of hydration.

September Average Humidity in Miriam Vale

This chart illustrates the average monthly humidity levels in Miriam Vale, 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 Miriam Vale is approximately 67%, 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 Miriam Vale

In Miriam Vale in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Miriam Vale.

Maximum UV Index Levels in Miriam Vale for September

The chart shows the monthly maximum UV Index (UVI) for Miriam Vale 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 Miriam Vale typically reaches 11, which falls under the extreme exposure category.

Data source: Miriam Vale 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 Miriam Vale Compares to Other Months

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

This table compares monthly weather conditions in Miriam Vale, 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)	69 mm (2.7 inches)	72%	extreme
February Weather	26°C (79°F)	99 mm (3.9 inches)	74%	extreme
March Weather	25°C (77°F)	141 mm (5.5 inches)	79%	extreme
April Weather	22°C (73°F)	48 mm (1.9 inches)	79%	extreme
May Weather	19°C (67°F)	32 mm (1.3 inches)	74%	very high
June Weather	17°C (62°F)	19 mm (0.8 inches)	73%	high
July Weather	16°C (61°F)	33 mm (1.3 inches)	69%	high
August Weather	17°C (63°F)	11 mm (0.4 inches)	75%	very high
September Weather	19°C (67°F)	11 mm (0.4 inches)	67%	extreme
October Weather	22°C (72°F)	86 mm (3.4 inches)	64%	extreme
November Weather	24°C (75°F)	66 mm (2.6 inches)	64%	extreme
December Weather	25°C (78°F)	93 mm (3.7 inches)	71%	extreme