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September Weather in Lachlan, Australia

Last updated: August 22, 2025

In September, the average temperature in Lachlan, Australia hovers around 8°C (47°F). Expect a minimum of -2°C (28°F) and a delightful maximum reaching 22°C (72°F). During this month, you're likely to encounter precipitation totaling 69 mm (2.7 in) spread across 15 days, with an average humidity of 82%.

September Temperature in Lachlan

In September in Lachlan, the average temperature is 8°C (47°F). The maximum can reach 22°C (72°F), while the minimum can be as low as -2°C (28°F). Be prepared for a range of weather conditions, making it ideal for travelers who enjoy both mild and chilly experiences.

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

The chart illustrates September temperature patterns in Lachlan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lachlan, September typically has an average temperature of 8°C (47°F), with highs reaching up to 22°C (72°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec615857524744434346505457
Data source: Temperature data for Lachlan generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Lachlan

In Lachlan in September, the precipitation amount is 69 mm (2.7 in) over the course of 15 days.

September Precipitation Trends in Lachlan

The chart displays monthly precipitation patterns in Lachlan, 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 Lachlan, September typically receives around 69 mm (2.7 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec364761545651607969907368
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lachlan

In Lachlan in September humidity is 82%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration less enjoyable and requiring extra layers to stay warm and comfortable.

September Average Humidity in Lachlan

This chart illustrates the average monthly humidity levels in Lachlan, 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 Lachlan is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec68%68%73%81%86%85%86%84%82%77%77%70%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lachlan

In Lachlan in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Lachlan, you can refer to this Hourly UV Index in Lachlan.

Maximum UV Index Levels in Lachlan for September

The chart shows the monthly maximum UV Index (UVI) for Lachlan 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 Lachlan typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1311963224681013
Data source: Lachlan 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 Lachlan Compares to Other Months

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

This table compares monthly weather conditions in Lachlan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (61°F)36 mm (1.4 inches)68%extreme
February Weather14°C (58°F)47 mm (1.9 inches)68%extreme
March Weather14°C (57°F)61 mm (2.4 inches)73%very high
April Weather11°C (52°F)54 mm (2.1 inches)81%high
May Weather8°C (48°F)56 mm (2.2 inches)86%moderate
June Weather7°C (44°F)51 mm (2.0 inches)85%low
July Weather6°C (43°F)60 mm (2.4 inches)86%low
August Weather6°C (44°F)79 mm (3.1 inches)84%moderate
September Weather8°C (47°F)69 mm (2.7 inches)82%high
October Weather10°C (51°F)90 mm (3.6 inches)77%very high
November Weather12°C (54°F)73 mm (2.9 inches)77%very high
December Weather14°C (57°F)68 mm (2.7 inches)70%extreme

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