September Weather in Hillston, Australia

Last updated: August 22, 2025

The average temperature in Hillston, Australia during September is a pleasant 14°C (58°F). However, temperatures can range from a chilly -1°C (30°F) to a sweltering 38°C (101°F). Expect some moisture as well, with an average precipitation of 19 mm (0.7 in) over 2 days, and enjoy a comfortable average humidity of 68%.

September Temperature in Hillston

In September in Hillston, the average temperature is 14°C (58°F). Maximum temperatures can reach 38°C (101°F), while minimums can drop as low as -1°C (30°F). This varied climate makes Hillston an intriguing destination for travelers seeking diverse weather experiences.

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

The chart illustrates September temperature patterns in Hillston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hillston, September typically has an average temperature of 14°C (58°F), with highs reaching up to 38°C (101°F) and lows dropping to around -1°C (30°F).

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

September Precipitation in Hillston

In Hillston in September, the precipitation amount is 19 mm (0.7 in) over a span of 2 days.

September Precipitation Trends in Hillston

The chart displays monthly precipitation patterns in Hillston, 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 Hillston, September typically receives around 19 mm (0.7 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 Hillston

In Hillston in September, humidity is 68%. With an average temperature of 14°C (58°F), this humidity feels like a damp embrace, making it a bit challenging for traveling. The air feels heavy, and you may find yourself needing to take breaks more often as you explore the sights.

September Average Humidity in Hillston

This chart illustrates the average monthly humidity levels in Hillston, 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 Hillston 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 Hillston

In Hillston 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 Hillston.

Maximum UV Index Levels in Hillston for September

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

Data source: Hillston 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 Hillston Compares to Other Months

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

This table compares monthly weather conditions in Hillston, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	28°C (83°F)	28 mm (1.1 inches)	38%	extreme
February Weather	25°C (78°F)	20 mm (0.8 inches)	46%	extreme
March Weather	23°C (74°F)	40 mm (1.6 inches)	61%	extreme
April Weather	18°C (65°F)	34 mm (1.3 inches)	67%	very high
May Weather	13°C (55°F)	26 mm (1.0 inches)	75%	moderate
June Weather	10°C (50°F)	32 mm (1.3 inches)	74%	moderate
July Weather	10°C (49°F)	18 mm (0.7 inches)	77%	moderate
August Weather	10°C (51°F)	23 mm (0.9 inches)	70%	high
September Weather	14°C (58°F)	19 mm (0.7 inches)	68%	very high
October Weather	18°C (65°F)	42 mm (1.6 inches)	53%	extreme
November Weather	22°C (72°F)	43 mm (1.7 inches)	48%	extreme
December Weather	25°C (78°F)	24 mm (0.9 inches)	53%	extreme