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September Weather in Rosebery, Australia

Last updated: August 22, 2025

In September, the average temperature in Rosebery, Australia hovers around 7°C (45°F), making it a crisp time of year. Expect minimum chills of -3°C (27°F) and highs reaching up to 21°C (71°F). Be prepared for wet weather, as this month typically sees 200 mm (7.9 in) of precipitation over 21 days, paired with an average humidity of 80%.

September Temperature in Rosebery

In September in Rosebery, the average temperature is 7°C (45°F). Maximum temperatures can reach 21°C (71°F), while minimums can drop as low as -3°C (27°F). This time of year offers a diverse climate, making it essential for travelers to pack layers to accommodate varying temperatures throughout the day.

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

The chart illustrates September temperature patterns in Rosebery, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rosebery, September typically has an average temperature of 7°C (45°F), with highs reaching up to 21°C (71°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec595756514744434345495355
Data source: Temperature data for Rosebery 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 Rosebery

In Rosebery in September, the total precipitation amount is 200 mm (7.9 in) over the course of 21 days.

September Precipitation Trends in Rosebery

The chart displays monthly precipitation patterns in Rosebery, 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 Rosebery, September typically receives around 200 mm (7.9 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec71118129146154109208207200161138131
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Rosebery

In Rosebery in September, humidity is 80%. With an average temperature of 7°C (45°F), this humidity feels like you're wrapped in a damp blanket, making it quite uncomfortable for traveling and leaving you feeling chilly and clammy as you explore the area.

September Average Humidity in Rosebery

This chart illustrates the average monthly humidity levels in Rosebery, 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 Rosebery is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec69%68%73%77%83%83%84%83%80%76%76%71%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Rosebery

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

Maximum UV Index Levels in Rosebery for September

The chart shows the monthly maximum UV Index (UVI) for Rosebery 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 Rosebery typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec13121064224691113
Data source: Rosebery 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 Rosebery Compares to Other Months

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

This table compares monthly weather conditions in Rosebery, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (59°F)71 mm (2.8 inches)69%extreme
February Weather14°C (57°F)118 mm (4.6 inches)68%extreme
March Weather13°C (56°F)129 mm (5.1 inches)72%very high
April Weather10°C (51°F)146 mm (5.8 inches)77%high
May Weather8°C (47°F)154 mm (6.1 inches)83%moderate
June Weather7°C (45°F)109 mm (4.3 inches)83%low
July Weather6°C (43°F)208 mm (8.2 inches)84%low
August Weather6°C (43°F)207 mm (8.1 inches)83%moderate
September Weather7°C (45°F)200 mm (7.9 inches)80%high
October Weather10°C (50°F)161 mm (6.3 inches)76%very high
November Weather12°C (53°F)138 mm (5.4 inches)76%extreme
December Weather13°C (56°F)131 mm (5.2 inches)71%extreme

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