September Weather in Fish Creek, Australia

Last updated: August 22, 2025

In Fish Creek, Australia, the average temperature in September hovers around 12°C (53°F), offering a pleasant climate. Expect a minimum of 5°C (42°F) and a maximum of 21°C (71°F), making for mild days. However, be prepared for some rain, as 104 mm (4.1 in) of precipitation is likely across 14 days. With an average humidity of 77%, the air feels refreshingly crisp yet comfortably mild.

September Temperature in Fish Creek

In September, in Fish Creek, the average temperature is 12°C (53°F). The maximum can reach 21°C (71°F), and the minimum can be as low as 5°C (42°F). This mild weather makes Fish Creek a great destination for travelers seeking comfortable temperatures and diverse outdoor activities.

September Weather in Fish Creek: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Fish Creek, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fish Creek, September typically has an average temperature of 12°C (53°F), with highs reaching up to 21°C (71°F) and lows dropping to around 5°C (42°F).

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

September Precipitation in Fish Creek

In Fish Creek in September, the precipitation amount is 104 mm (4.1 in) distributed over a span of 14 days.

September Precipitation Trends in Fish Creek

The chart displays monthly precipitation patterns in Fish Creek, 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 Fish Creek, September typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 14 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 Fish Creek

In Fish Creek in September, humidity is 77%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill that can make exploration rather uncomfortable, as the moisture in the air clings to your skin and makes even a light breeze feel colder, often requiring additional layers for comfort while traveling.

September Average Humidity in Fish Creek

This chart illustrates the average monthly humidity levels in Fish Creek, 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 Fish Creek is approximately 77%, 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 Fish Creek

In Fish Creek in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Fish Creek.

Maximum UV Index Levels in Fish Creek for September

The chart shows the monthly maximum UV Index (UVI) for Fish Creek 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 Fish Creek typically reaches 7, which falls under the high exposure category.

Data source: Fish Creek 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 Fish Creek Compares to Other Months

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

This table compares monthly weather conditions in Fish Creek, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	19°C (66°F)	40 mm (1.6 inches)	64%	extreme
February Weather	18°C (65°F)	54 mm (2.1 inches)	65%	extreme
March Weather	18°C (64°F)	60 mm (2.4 inches)	70%	very high
April Weather	15°C (60°F)	71 mm (2.8 inches)	75%	high
May Weather	13°C (56°F)	102 mm (4.0 inches)	79%	moderate
June Weather	11°C (52°F)	68 mm (2.7 inches)	81%	moderate
July Weather	11°C (51°F)	94 mm (3.7 inches)	82%	moderate
August Weather	11°C (51°F)	122 mm (4.8 inches)	80%	moderate
September Weather	12°C (53°F)	104 mm (4.1 inches)	77%	high
October Weather	13°C (56°F)	82 mm (3.2 inches)	71%	very high
November Weather	15°C (59°F)	71 mm (2.8 inches)	71%	extreme
December Weather	17°C (62°F)	77 mm (3.0 inches)	67%	extreme