September Weather in Merrigum, Australia

Last updated: August 22, 2025

In September, the average temperature in Merrigum, Australia hovers around 12°C (54°F), making for a pleasant climate. However, be prepared for temperature fluctuations, with lows of -1°C (31°F) and highs reaching 33°C (92°F). Expect around 35 mm (1.4 in) of precipitation spread over 7 days, accompanied by an average humidity of 73%. Stay comfortable and enjoy the varying weather!

September Temperature in Merrigum

In September in Merrigum, the average temperature is 12°C (54°F). Maximum temperatures can reach 33°C (92°F), while minimums can drop as low as -1°C (31°F). Be prepared for varied weather and pack accordingly when traveling during this time.

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

The chart illustrates September temperature patterns in Merrigum, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Merrigum, September typically has an average temperature of 12°C (54°F), with highs reaching up to 33°C (92°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec777370615348484954606672
Data source: Temperature data for Merrigum generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Merrigum

In Merrigum in September, the precipitation amount is 35 mm (1.4 in) over the course of 7 days.

September Precipitation Trends in Merrigum

The chart displays monthly precipitation patterns in Merrigum, 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 Merrigum, September typically receives around 35 mm (1.4 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec293132364639444435505451
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Merrigum

In Merrigum in September, humidity is 73%. With an average temperature of 12°C (54°F), this humidity feels like a chilly embrace, making travel moderately uncomfortable as the dampness can chill you to your bones, especially during early morning excursions or late afternoon strolls.

September Average Humidity in Merrigum

This chart illustrates the average monthly humidity levels in Merrigum, 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 Merrigum is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec45%52%61%72%79%82%84%80%73%60%58%51%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Merrigum

In Merrigum 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 Merrigum.

Maximum UV Index Levels in Merrigum for September

The chart shows the monthly maximum UV Index (UVI) for Merrigum 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 Merrigum typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141211753357101215
Data source: Merrigum 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 Merrigum Compares to Other Months

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

This table compares monthly weather conditions in Merrigum, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)29 mm (1.1 inches)45%extreme
February Weather23°C (73°F)31 mm (1.2 inches)52%extreme
March Weather21°C (70°F)32 mm (1.3 inches)61%extreme
April Weather16°C (62°F)36 mm (1.4 inches)72%high
May Weather12°C (53°F)46 mm (1.8 inches)79%moderate
June Weather9°C (48°F)38 mm (1.5 inches)82%moderate
July Weather9°C (48°F)43 mm (1.7 inches)84%moderate
August Weather9°C (49°F)44 mm (1.7 inches)80%moderate
September Weather12°C (54°F)35 mm (1.4 inches)73%high
October Weather16°C (61°F)50 mm (2.0 inches)60%very high
November Weather19°C (67°F)54 mm (2.1 inches)58%extreme
December Weather22°C (72°F)51 mm (2.0 inches)51%extreme

Compare Merrigum's Climate with Cities Worldwide