September Weather in Westbrook, Australia

Last updated: August 22, 2025

In September, the average temperature in Westbrook, Australia is a pleasant 17°C (63°F). During this time, temperatures can range from a cool 2°C (35°F) to a scorching 35°C (94°F). Expect about 10 mm (0.4 in) of precipitation spread over 2 days, with an average humidity level of 69%, making the atmosphere feel refreshingly vibrant!

September Temperature in Westbrook

In September in Westbrook, the average temperature is 17°C (63°F), with maximums reaching up to 35°C (94°F) and minimums dropping as low as 2°C (35°F). This varied climate makes Westbrook an ideal destination for travelers who enjoy a range of weather conditions and outdoor activities.

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

The chart illustrates September temperature patterns in Westbrook, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Westbrook, September typically has an average temperature of 17°C (63°F), with highs reaching up to 35°C (94°F) and lows dropping to around 2°C (35°F).

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

September Precipitation in Westbrook

In Westbrook in September, the precipitation amount is 10 mm (0.4 in) over a period of 2 days.

September Precipitation Trends in Westbrook

The chart displays monthly precipitation patterns in Westbrook, 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 Westbrook, September typically receives around 10 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.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Westbrook

In Westbrook in September, humidity is 69%. With an average temperature of 17°C (63°F), this humidity feels like a warm embrace, making outdoor activities feel slightly heavier, yet still comfortable for exploring.

September Average Humidity in Westbrook

This chart illustrates the average monthly humidity levels in Westbrook, 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 Westbrook is approximately 69%, 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 Westbrook

In Westbrook in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Westbrook.

Maximum UV Index Levels in Westbrook for September

The chart shows the monthly maximum UV Index (UVI) for Westbrook 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 Westbrook typically reaches 10, which falls under the very high exposure category.

Data source: Westbrook 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 Westbrook Compares to Other Months

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

This table compares monthly weather conditions in Westbrook, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (77°F)	49 mm (1.9 inches)	70%	extreme
February Weather	24°C (75°F)	66 mm (2.6 inches)	69%	extreme
March Weather	22°C (73°F)	87 mm (3.4 inches)	75%	extreme
April Weather	19°C (66°F)	21 mm (0.8 inches)	78%	very high
May Weather	15°C (60°F)	12 mm (0.5 inches)	74%	high
June Weather	12°C (54°F)	28 mm (1.1 inches)	76%	moderate
July Weather	12°C (54°F)	23 mm (0.9 inches)	72%	moderate
August Weather	13°C (56°F)	11 mm (0.5 inches)	75%	very high
September Weather	17°C (63°F)	10 mm (0.4 inches)	69%	very high
October Weather	20°C (68°F)	92 mm (3.6 inches)	62%	extreme
November Weather	22°C (71°F)	49 mm (1.9 inches)	61%	extreme
December Weather	24°C (75°F)	67 mm (2.6 inches)	70%	extreme