Margaret River weather in September 2025

Expect 64°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Margaret River in September. Check more long-term weather averages for Margaret River in September before you book your next holiday to Western Australia in 2025/2026.

  • 64°F maximum daytime temperature in September in Margaret River64
    64°F max day temperature
  • 7 hours of sunshine per day
  • 11 days with some rainfall in September in Margaret River11
    11 days with some rainfall
  • 50°F minimum night-time temperature in September in Margaret River50
    50°F min night temperature
  • 12 hours of daylight per day in September in Margaret River12
    12 hours of daylight per day
  • No heat & humidity in September in Margaret River0
    No heat & humidity
  • 3.1 inches monthly rainfall in September in Margaret River3.1
    3.1 inches of monthly rainfall
  • UV (maximum) index 6 (High) in September in Margaret River6
    6 (High) UV index
  • 64°F sea temperature in September in Margaret River64
    64°F sea temperature

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The September weather guide for Western Australia (Margaret River) 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)  |  Imperial (°F)

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How hot is it in Margaret River in September?

Daytime temperatures usually reach 64°F in Margaret River in September, falling to 50°F at night.

How sunny is it in Margaret River in September?

There are normally 7 hours of bright sunshine each day in Margaret River in September - that's 57% of daylight hours.

How warm is the sea around Margaret River in September?

The average sea temperature around Margaret River in September is 64°F.

Does it rain in Margaret River in September?

There are usually 11 days with some rain in Margaret River in September and the average monthly rainfall is 3.1 inches.

Margaret River September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:38 18:02
Monday, 15th September 2025 06:19 18:11
Tuesday, 30th September 2025 05:58 18:22

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