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September Weather in Port Pirie, Australia

Last updated: August 22, 2025

In September, the average temperature in Port Pirie, Australia is a pleasant 15°C (59°F). However, temperatures can vary significantly, dipping as low as 3°C (38°F) and soaring up to 32°C (91°F). You'll experience a modest precipitation of 21 mm (0.8 in) over about 5 days, while the average humidity hovers around 57%.

September Temperature in Port Pirie

In September in Port Pirie, the average temperature is 15°C (59°F). Maximums can reach 32°C (91°F), while minimums can dip as low as 3°C (38°F). This variation in temperature makes it essential for travelers to pack layers to enjoy the diverse weather comfortably.

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

The chart illustrates September temperature patterns in Port Pirie, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Pirie, September typically has an average temperature of 15°C (59°F), with highs reaching up to 32°C (91°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec767372665752525359646873
Data source: Temperature data for Port Pirie 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 Pirie

In Port Pirie in September, the precipitation amount is 21 mm (0.8 in) spread over a period of 5 days.

September Precipitation Trends in Port Pirie

The chart displays monthly precipitation patterns in Port Pirie, 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 Pirie, September typically receives around 21 mm (0.8 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec14156222730243421273517
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Port Pirie

In Port Pirie in September, humidity is 57%. With an average temperature of 15°C (59°F), this humidity feels like a refreshing embrace, making it comfortable for traveling while adding a light dampness that keeps the air feeling vibrant and alive.

September Average Humidity in Port Pirie

This chart illustrates the average monthly humidity levels in Port Pirie, 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 Pirie is approximately 57%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec30%35%50%60%69%71%72%64%57%40%40%37%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Port Pirie

In Port Pirie 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 Port Pirie.

Maximum UV Index Levels in Port Pirie for September

The chart shows the monthly maximum UV Index (UVI) for Port Pirie 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 Pirie typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141412854468101315
Data source: Port Pirie 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 Pirie Compares to Other Months

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

This table compares monthly weather conditions in Port Pirie, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)14 mm (0.6 inches)30%extreme
February Weather23°C (74°F)15 mm (0.6 inches)35%extreme
March Weather22°C (72°F)6 mm (0.2 inches)50%extreme
April Weather19°C (66°F)22 mm (0.9 inches)60%very high
May Weather14°C (58°F)27 mm (1.1 inches)69%moderate
June Weather11°C (52°F)30 mm (1.2 inches)71%moderate
July Weather11°C (53°F)24 mm (0.9 inches)72%moderate
August Weather12°C (53°F)34 mm (1.4 inches)64%high
September Weather15°C (59°F)21 mm (0.8 inches)57%very high
October Weather18°C (64°F)27 mm (1.1 inches)40%very high
November Weather20°C (68°F)34 mm (1.4 inches)40%extreme
December Weather23°C (73°F)17 mm (0.7 inches)37%extreme

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