Brisbane weather in September 2025

Expect 24°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Brisbane in September based on long-term weather averages. There is usually 6 days with some rainfall and 33 mm of average monthly rainfall in September.

  • 24°C maximum daytime temperature in September in Brisbane24
    24°C max day temperature
  • 9 hours of sunshine per day
  • 6 days with some rainfall in September in Brisbane6
    6 days with some rainfall
  • 12°C minimum night-time temperature in September in Brisbane12
    12°C min night temperature
  • 12 hours of daylight per day in September in Brisbane12
    12 hours of daylight per day
  • No heat & humidity in September in Brisbane0
    No heat & humidity
  • 33 mm monthly rainfall in September in Brisbane33
    33 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Brisbane8
    8 (Very High) UV index
  • 20°C sea temperature in September in Brisbane20
    20°C sea temperature

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The September weather guide for Queensland (Brisbane) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Australia

How hot is it in Brisbane in September?

Daytime temperatures usually reach 24°C in Brisbane in September, falling to 12°C at night.

How sunny is it in Brisbane in September?

There are normally 9 hours of bright sunshine each day in Brisbane in September - that's 75% of daylight hours.

How warm is the sea around Brisbane in September?

The average sea temperature around Brisbane in September is 20°C.

Does it rain in Brisbane in September?

There are usually 6 days with some rain in Brisbane in September and the average monthly rainfall is 33mm.

Brisbane September sunrise & sunset times

Browse the sunrise and sunset times for Brisbane in September 2025. Select a month to view Brisbane sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:02 17:35
Monday, 15th September 2025 05:46 17:41
Tuesday, 30th September 2025 05:29 17:48

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