Monkey Mia weather in September 2026

Expect daytime maximum temperatures of 25°C in Monkey Mia, Western Australia in September based on long-term weather averages. There are 10 hours of sunshine per day on average.

  • 25°C maximum daytime temperature in September in Monkey Mia25
    25°C max day temperature
  • 10 hours of sunshine per day
  • 4 days with some rainfall in September in Monkey Mia4
    4 days with some rainfall
  • 12°C minimum night-time temperature in September in Monkey Mia12
    12°C min night temperature
  • 12 hours of daylight per day in September in Monkey Mia12
    12 hours of daylight per day
  • No heat & humidity in September in Monkey Mia0
    No heat & humidity
  • 6 mm monthly rainfall in September in Monkey Mia6
    6 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Monkey Mia8
    8 (Very High) UV index
  • 19°C sea temperature in September in Monkey Mia19
    19°C sea temperature

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The September weather guide for Western Australia (Monkey Mia) 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 Monkey Mia in September?

Daytime temperatures usually reach 20°C in Monkey Mia in September, falling to 10°C at night.

How sunny is it in Monkey Mia in September?

There are normally 8 hours of bright sunshine each day in Monkey Mia in September - that's 64% of daylight hours.

How warm is the sea around Monkey Mia in September?

The average sea temperature around Monkey Mia in September is 18°C.

Does it rain in Monkey Mia in September?

There are usually 10 days with some rain in Monkey Mia in September and the average monthly rainfall is 71mm.

Monkey Mia September sunrise & sunset times

Browse the sunrise and sunset times for Monkey Mia in September 2026. Select a month to view Monkey Mia sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2026 06:38 18:13
Tuesday, 15th September 2026 06:23 18:18
Wednesday, 30th September 2026 06:06 18:24

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