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September Weather in Bordertown, Australia

Last updated: August 22, 2025

In September, the average temperature in Bordertown, Australia is a comfortable 12°C (53°F). Visitors can expect a temperature range from a chilly -1°C (30°F) to a warm 31°C (87°F). With an average precipitation of 36 mm (1.4 in) spread over 9 days, it’s wise to be prepared for occasional rain. Additionally, the average humidity hovers around 69%, adding a touch of moisture to the air.

September Temperature in Bordertown

In September in Bordertown, the average temperature is 12°C (53°F), with maximums reaching up to 31°C (87°F) and minimums dropping as low as -1°C (30°F). This variation in temperature means travelers should be prepared for both warm days and chilly nights.

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

The chart illustrates September temperature patterns in Bordertown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bordertown, September typically has an average temperature of 12°C (53°F), with highs reaching up to 31°C (87°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec726967615449494953576368
Data source: Temperature data for Bordertown 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 Bordertown

In Bordertown in September, the precipitation amount is 36 mm (1.4 in) over the course of 9 days.

September Precipitation Trends in Bordertown

The chart displays monthly precipitation patterns in Bordertown, 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 Bordertown, September typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec181411254335525936483820
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bordertown

In Bordertown in September, humidity is 69%. With an average temperature of 12°C (53°F), this humidity feels like a cool, damp embrace that can quickly lead to a chill, making it essential for travelers to pack layers and a waterproof jacket to stay comfortable while exploring.

September Average Humidity in Bordertown

This chart illustrates the average monthly humidity levels in Bordertown, 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 Bordertown is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec45%49%57%67%75%79%80%75%69%59%56%50%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bordertown

In Bordertown 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 Bordertown.

Maximum UV Index Levels in Bordertown for September

The chart shows the monthly maximum UV Index (UVI) for Bordertown 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 Bordertown typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311753357101114
Data source: Bordertown 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 Bordertown Compares to Other Months

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

This table compares monthly weather conditions in Bordertown, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (73°F)18 mm (0.7 inches)45%extreme
February Weather21°C (70°F)14 mm (0.6 inches)49%extreme
March Weather19°C (67°F)11 mm (0.4 inches)57%extreme
April Weather16°C (61°F)25 mm (1.0 inches)67%high
May Weather12°C (54°F)43 mm (1.7 inches)75%moderate
June Weather10°C (49°F)35 mm (1.4 inches)79%moderate
July Weather9°C (49°F)52 mm (2.0 inches)80%moderate
August Weather10°C (50°F)59 mm (2.3 inches)75%moderate
September Weather12°C (53°F)36 mm (1.4 inches)69%high
October Weather14°C (58°F)48 mm (1.9 inches)59%very high
November Weather17°C (64°F)37 mm (1.5 inches)56%extreme
December Weather20°C (68°F)20 mm (0.8 inches)50%extreme

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