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September Weather in Kanmantoo, Australia

Last updated: August 22, 2025

In Kanmantoo, Australia, the average temperature in September is a mild 11°C (53°F). Daily highs can reach up to 29°C (84°F), while the mercury may drop as low as -1°C (30°F). Expect about 40 mm (1.6 in) of precipitation spread over 7 days, contributing to an average humidity of 65%.

September Temperature in Kanmantoo

In September in Kanmantoo, the average temperature is 11°C (53°F), with maximums reaching 29°C (84°F) and minimums dropping to as low as -1°C (30°F). This means travelers should be prepared for a wide range of temperatures, making layering essential for comfort during their stay.

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

The chart illustrates September temperature patterns in Kanmantoo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kanmantoo, September typically has an average temperature of 11°C (53°F), with highs reaching up to 29°C (84°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec696664605348494953576265
Data source: Temperature data for Kanmantoo 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 Kanmantoo

In Kanmantoo in September, the precipitation amount is 40 mm (1.6 in) over a span of 7 days.

September Precipitation Trends in Kanmantoo

The chart displays monthly precipitation patterns in Kanmantoo, 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 Kanmantoo, September typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec172211263942536640384418
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kanmantoo

In Kanmantoo in September humidity is 65%. With an average temperature of 11°C (53°F), this humidity feels like a damp chill that can make outdoor activities somewhat uncomfortable, so travelers should be prepared with light layers and possibly a waterproof jacket to stay cozy while exploring.

September Average Humidity in Kanmantoo

This chart illustrates the average monthly humidity levels in Kanmantoo, 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 Kanmantoo is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec41%46%55%66%73%76%76%70%65%51%50%46%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kanmantoo

In Kanmantoo in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Kanmantoo.

Maximum UV Index Levels in Kanmantoo for September

The chart shows the monthly maximum UV Index (UVI) for Kanmantoo 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 Kanmantoo typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141312853458101315
Data source: Kanmantoo 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 Kanmantoo Compares to Other Months

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

This table compares monthly weather conditions in Kanmantoo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (69°F)17 mm (0.7 inches)41%extreme
February Weather19°C (66°F)22 mm (0.9 inches)46%extreme
March Weather18°C (65°F)11 mm (0.4 inches)55%extreme
April Weather15°C (60°F)26 mm (1.0 inches)66%very high
May Weather12°C (53°F)39 mm (1.5 inches)73%moderate
June Weather9°C (49°F)42 mm (1.7 inches)76%moderate
July Weather9°C (49°F)53 mm (2.1 inches)76%moderate
August Weather9°C (49°F)65 mm (2.6 inches)70%moderate
September Weather11°C (53°F)40 mm (1.6 inches)65%very high
October Weather14°C (57°F)38 mm (1.5 inches)51%very high
November Weather17°C (62°F)44 mm (1.7 inches)50%extreme
December Weather19°C (66°F)18 mm (0.7 inches)46%extreme

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