September Weather in Blackwater, Australia

Last updated: August 22, 2025

In September, the average temperature in Blackwater, Australia is a pleasant 21°C (71°F). However, be prepared for a temperature range that can drop as low as 7°C (44°F) and soar to a scorching 38°C (100°F). With an average humidity level of 59% and only 4 mm (0.1 in) of precipitation spread over just 1 day, it’s a wonderful time to enjoy the outdoors!

September Temperature in Blackwater

In September in Blackwater, the average temperature is 21°C (71°F). Maximum temperatures can reach 38°C (100°F), while minimums can drop to as low as 7°C (44°F). This makes Blackwater a great destination for travelers seeking a warm climate, but it's wise to be prepared for possible temperature fluctuations.

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

The chart illustrates September temperature patterns in Blackwater, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Blackwater, September typically has an average temperature of 21°C (71°F), with highs reaching up to 38°C (100°F) and lows dropping to around 7°C (44°F).

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

September Precipitation in Blackwater

In Blackwater in September, the precipitation amount is 4 mm (0.1 in) over the course of 1 day.

September Precipitation Trends in Blackwater

The chart displays monthly precipitation patterns in Blackwater, 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 Blackwater, September typically receives around 4 mm (0.1 inches) of precipitation spread over approximately 1 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 Blackwater

In Blackwater in September, humidity is 59%. With an average temperature of 21°C (71°F), this humidity feels like a gentle embrace, making it comfortable for exploring the sights while experiencing a pleasant warmth that invites leisurely strolls.

September Average Humidity in Blackwater

This chart illustrates the average monthly humidity levels in Blackwater, 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 Blackwater is approximately 59%, 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 Blackwater

In Blackwater in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Blackwater.

Maximum UV Index Levels in Blackwater for September

The chart shows the monthly maximum UV Index (UVI) for Blackwater 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 Blackwater typically reaches 12, which falls under the extreme exposure category.

Data source: Blackwater 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 Blackwater Compares to Other Months

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

This table compares monthly weather conditions in Blackwater, 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)	43 mm (1.7 inches)	67%	extreme
February Weather	29°C (84°F)	54 mm (2.1 inches)	69%	extreme
March Weather	27°C (81°F)	139 mm (5.5 inches)	76%	extreme
April Weather	24°C (75°F)	21 mm (0.8 inches)	74%	extreme
May Weather	20°C (68°F)	18 mm (0.7 inches)	69%	very high
June Weather	17°C (62°F)	14 mm (0.5 inches)	71%	high
July Weather	16°C (62°F)	21 mm (0.8 inches)	63%	high
August Weather	18°C (64°F)	6 mm (0.2 inches)	70%	very high
September Weather	21°C (71°F)	4 mm (0.1 inches)	59%	extreme
October Weather	25°C (77°F)	44 mm (1.7 inches)	52%	extreme
November Weather	26°C (79°F)	49 mm (1.9 inches)	52%	extreme
December Weather	28°C (83°F)	76 mm (3.0 inches)	64%	extreme