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September Weather in Triabunna, Australia

Last updated: August 22, 2025

In September, the average temperature in Triabunna, Australia is a mild 10°C (51°F). Visitors can expect a comfortable range, with minimums dipping to 4°C (40°F) and highs reaching up to 19°C (66°F). However, it’s wise to prepare for the 38 mm (1.5 in) of precipitation spread across 7 days, with the air holding a notable average humidity of 77%.

September Temperature in Triabunna

In September in Triabunna, the average temperature is 10°C (51°F). The maximum can reach 19°C (66°F), while the minimum can be as low as 4°C (40°F). Be sure to pack layers to stay comfortable while exploring Triabunna.

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

The chart illustrates September temperature patterns in Triabunna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Triabunna, September typically has an average temperature of 10°C (51°F), with highs reaching up to 19°C (66°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec626160575350494951535659
Data source: Temperature data for Triabunna 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 Triabunna

In Triabunna in September, the precipitation amount is 38 mm (1.5 in) over the course of 7 days.

September Precipitation Trends in Triabunna

The chart displays monthly precipitation patterns in Triabunna, 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 Triabunna, September typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec525272404755235238836069
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Triabunna

In Triabunna in September humidity is 77%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that can make outdoor activities somewhat uncomfortable, causing clothes to cling to your skin and breathing to feel heavier, which may deter longer sightseeing adventures.

September Average Humidity in Triabunna

This chart illustrates the average monthly humidity levels in Triabunna, 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 Triabunna is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%73%77%78%80%79%81%79%77%75%76%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Triabunna

In Triabunna 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 Triabunna, you can refer to this Hourly UV Index in Triabunna.

Maximum UV Index Levels in Triabunna for September

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

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

This table compares monthly weather conditions in Triabunna, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (62°F)52 mm (2.1 inches)76%extreme
February Weather16°C (61°F)51 mm (2.0 inches)73%extreme
March Weather16°C (61°F)72 mm (2.8 inches)77%very high
April Weather14°C (57°F)40 mm (1.6 inches)78%high
May Weather12°C (54°F)47 mm (1.8 inches)80%moderate
June Weather10°C (51°F)55 mm (2.1 inches)79%low
July Weather9°C (49°F)23 mm (0.9 inches)80%low
August Weather9°C (49°F)52 mm (2.0 inches)79%moderate
September Weather10°C (51°F)38 mm (1.5 inches)77%high
October Weather12°C (53°F)83 mm (3.3 inches)75%very high
November Weather13°C (56°F)60 mm (2.3 inches)76%very high
December Weather15°C (59°F)69 mm (2.7 inches)76%extreme

Compare Triabunna's Climate with Cities Worldwide