September Weather in Katherine South, Australia

Last updated: August 22, 2025

In September, the average temperature in Katherine South, Australia reaches a warm 28°C (83°F), with daytime highs soaring up to 38°C (101°F) and cooler nights dropping to a minimum of 10°C (50°F). Expect a dry atmosphere with only 1 mm (0.0 in) of precipitation over the month and an average humidity level of just 30%, making it an ideal time to explore the outdoors!

September Temperature in Katherine South

In September in Katherine South, the average temperature is 28°C (83°F). Maximums can reach 38°C (101°F), and minimums can be as low as 10°C (50°F). Be prepared for warm days and cool evenings when traveling during this time.

September Weather in Katherine South: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Katherine South, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Katherine South, September typically has an average temperature of 28°C (83°F), with highs reaching up to 38°C (101°F) and lows dropping to around 10°C (50°F).

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

September Precipitation in Katherine South

In Katherine South in September, the precipitation amount is 1 mm (0.0 in) during a span of 0 days.

September Precipitation Trends in Katherine South

The chart displays monthly precipitation patterns in Katherine South, 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 Katherine South, September typically receives around 1 mm (0.0 inches) of precipitation spread over approximately 0 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 Katherine South

In Katherine South in September, humidity is 30%. With an average temperature of 28°C (83°F), this humidity feels like a refreshing breeze that enhances the warmth, making it a comfortable climate for traveling and exploring the sights.

September Average Humidity in Katherine South

This chart illustrates the average monthly humidity levels in Katherine South, 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 Katherine South is approximately 30%, 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 Katherine South

In Katherine South in September, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Katherine South.

Maximum UV Index Levels in Katherine South for September

The chart shows the monthly maximum UV Index (UVI) for Katherine South 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 Katherine South typically reaches 15, which falls under the extreme exposure category.

Data source: Katherine South 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 Katherine South Compares to Other Months

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

This table compares monthly weather conditions in Katherine South, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	29°C (84°F)	227 mm (8.9 inches)	82%	extreme
February Weather	28°C (83°F)	238 mm (9.4 inches)	87%	extreme
March Weather	29°C (85°F)	77 mm (3.0 inches)	85%	extreme
April Weather	28°C (83°F)	37 mm (1.5 inches)	68%	extreme
May Weather	25°C (77°F)	2 mm (0.1 inches)	52%	extreme
June Weather	23°C (73°F)	0 mm (0.0 inches)	36%	very high
July Weather	23°C (74°F)	0 mm (0.0 inches)	31%	very high
August Weather	24°C (76°F)	0 mm (0.0 inches)	33%	extreme
September Weather	28°C (83°F)	1 mm (0.0 inches)	30%	extreme
October Weather	31°C (88°F)	11 mm (0.4 inches)	28%	extreme
November Weather	31°C (88°F)	49 mm (1.9 inches)	49%	extreme
December Weather	30°C (87°F)	132 mm (5.2 inches)	69%	extreme