September Weather in Farnborough, Australia

Last updated: August 22, 2025

In Farnborough, Australia, the average temperature in September hovers around 20°C (69°F). Expect a comfortable range with minimums dipping to 13°C (56°F) and maximums reaching 28°C (84°F). During this month, precipitation is relatively low at 17 mm (0.7 in) spread over just 4 days, while the average humidity sits at a moderate 68%. Perfect weather for exploring!

September Temperature in Farnborough

In September in Farnborough, the average temperature is 20°C (69°F). Maximum temperatures can reach 28°C (84°F), while minimums can drop as low as 13°C (56°F). This mild climate makes Farnborough an ideal destination for travelers seeking pleasant weather and outdoor activities during this time.

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

The chart illustrates September temperature patterns in Farnborough, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Farnborough, September typically has an average temperature of 20°C (69°F), with highs reaching up to 28°C (84°F) and lows dropping to around 13°C (56°F).

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

September Precipitation in Farnborough

In Farnborough in September, the precipitation amount is 17 mm (0.7 in) over a span of 4 days.

September Precipitation Trends in Farnborough

The chart displays monthly precipitation patterns in Farnborough, 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 Farnborough, September typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 4 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 Farnborough

In Farnborough in September, humidity is 68%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace, making outdoor exploration both refreshing and slightly sticky, requiring occasional breaks in the shade to stay comfortable while traveling.

September Average Humidity in Farnborough

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

In Farnborough in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Farnborough.

Maximum UV Index Levels in Farnborough for September

The chart shows the monthly maximum UV Index (UVI) for Farnborough 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 Farnborough typically reaches 11, which falls under the extreme exposure category.

Data source: Farnborough 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 Farnborough Compares to Other Months

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

This table compares monthly weather conditions in Farnborough, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	95 mm (3.7 inches)	77%	extreme
February Weather	26°C (80°F)	131 mm (5.2 inches)	79%	extreme
March Weather	26°C (79°F)	196 mm (7.7 inches)	82%	extreme
April Weather	24°C (75°F)	101 mm (4.0 inches)	79%	extreme
May Weather	21°C (70°F)	68 mm (2.7 inches)	75%	very high
June Weather	19°C (66°F)	40 mm (1.6 inches)	72%	high
July Weather	18°C (65°F)	58 mm (2.3 inches)	69%	high
August Weather	19°C (66°F)	23 mm (0.9 inches)	74%	very high
September Weather	20°C (69°F)	17 mm (0.7 inches)	68%	extreme
October Weather	23°C (74°F)	68 mm (2.7 inches)	71%	extreme
November Weather	24°C (76°F)	86 mm (3.4 inches)	72%	extreme
December Weather	26°C (78°F)	118 mm (4.6 inches)	75%	extreme