September Weather in Kew, Australia

Last updated: August 22, 2025

In September, the average temperature in Kew, Australia hovers around 16°C (62°F). You can expect temperatures to range from a cool 8°C (47°F) to a warm 31°C (88°F). During this month, precipitation totals approximately 44 mm (1.7 in) over 7 days, while the average humidity sits at a comfortable 68%.

September Temperature in Kew

In September in Kew, the average temperature is 16°C (62°F). The maximum can reach 31°C (88°F), and the minimum can be as low as 8°C (47°F). It's a great time for travelers to enjoy a mix of warm days and cooler evenings while exploring the outdoors.

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

The chart illustrates September temperature patterns in Kew, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kew, September typically has an average temperature of 16°C (62°F), with highs reaching up to 31°C (88°F) and lows dropping to around 8°C (47°F).

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

September Precipitation in Kew

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

September Precipitation Trends in Kew

The chart displays monthly precipitation patterns in Kew, 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 Kew, September typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 7 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 Kew

In Kew in September, humidity is 68%. With an average temperature of 16°C (62°F), this humidity feels like a soft blanket enveloping you, making the air feel heavier and the day slightly warmer, which can be refreshing yet occasionally stifling for traveling.

September Average Humidity in Kew

This chart illustrates the average monthly humidity levels in Kew, 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 Kew is approximately 68%, 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 Kew

In Kew 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 Kew.

Maximum UV Index Levels in Kew for September

The chart shows the monthly maximum UV Index (UVI) for Kew 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 Kew typically reaches 8, which falls under the very high exposure category.

Data source: Kew 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 Kew Compares to Other Months

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

This table compares monthly weather conditions in Kew, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (75°F)	74 mm (2.9 inches)	76%	extreme
February Weather	23°C (74°F)	128 mm (5.0 inches)	78%	extreme
March Weather	22°C (72°F)	224 mm (8.8 inches)	78%	extreme
April Weather	19°C (67°F)	73 mm (2.9 inches)	77%	very high
May Weather	16°C (62°F)	54 mm (2.1 inches)	74%	high
June Weather	14°C (57°F)	91 mm (3.6 inches)	71%	moderate
July Weather	13°C (56°F)	56 mm (2.2 inches)	70%	moderate
August Weather	14°C (58°F)	26 mm (1.0 inches)	70%	high
September Weather	16°C (62°F)	44 mm (1.7 inches)	68%	very high
October Weather	19°C (66°F)	92 mm (3.6 inches)	68%	extreme
November Weather	20°C (68°F)	78 mm (3.1 inches)	73%	extreme
December Weather	22°C (72°F)	108 mm (4.3 inches)	78%	extreme