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September Weather in Port MacDonnell, Australia

Last updated: August 22, 2025

In Port MacDonnell, Australia, the average temperature in September hovers around 12°C (54°F). You'll experience a minimum of 6°C (44°F) and can enjoy highs reaching 23°C (74°F). Expect about 87 mm (3.4 in) of precipitation over 13 days, with an average humidity of 76%. Stay prepared for a mix of pleasant weather and a touch of rain!

September Temperature in Port MacDonnell

In September in Port MacDonnell, the average temperature is 12°C (54°F). The maximum can reach 23°C (74°F), while the minimum can drop to as low as 6°C (44°F). This is a great time to visit Port MacDonnell for comfortable weather, perfect for exploring outdoor attractions.

September Weather in Port MacDonnell: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Port MacDonnell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port MacDonnell, September typically has an average temperature of 12°C (54°F), with highs reaching up to 23°C (74°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec646363605754535354565961
Data source: Temperature data for Port MacDonnell 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 Port MacDonnell

In Port MacDonnell in September, the precipitation amount is 87 mm (3.4 in) spread over 13 days.

September Precipitation Trends in Port MacDonnell

The chart displays monthly precipitation patterns in Port MacDonnell, 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 Port MacDonnell, September typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec30302744978812911687665942
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Port MacDonnell

In Port MacDonnell in September, humidity is 76%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities a bit uncomfortable and requiring frequent hydration while exploring.

September Average Humidity in Port MacDonnell

This chart illustrates the average monthly humidity levels in Port MacDonnell, 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 Port MacDonnell is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%76%76%79%78%78%77%77%76%76%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Port MacDonnell

In Port MacDonnell 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 Port MacDonnell.

Maximum UV Index Levels in Port MacDonnell for September

The chart shows the monthly maximum UV Index (UVI) for Port MacDonnell 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 Port MacDonnell typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec13121174334791114
Data source: Port MacDonnell 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 Port MacDonnell Compares to Other Months

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

This table compares monthly weather conditions in Port MacDonnell, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (64°F)30 mm (1.2 inches)76%extreme
February Weather17°C (63°F)29 mm (1.2 inches)75%extreme
March Weather17°C (63°F)27 mm (1.1 inches)76%extreme
April Weather15°C (60°F)44 mm (1.7 inches)76%high
May Weather14°C (57°F)97 mm (3.8 inches)79%moderate
June Weather12°C (54°F)88 mm (3.4 inches)78%moderate
July Weather12°C (53°F)129 mm (5.1 inches)78%moderate
August Weather11°C (53°F)116 mm (4.6 inches)77%moderate
September Weather12°C (54°F)87 mm (3.4 inches)76%high
October Weather13°C (56°F)66 mm (2.6 inches)76%very high
November Weather15°C (59°F)59 mm (2.3 inches)76%extreme
December Weather16°C (61°F)42 mm (1.6 inches)76%extreme

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