Exmouth weather in September 2025

Expect 84°F daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Exmouth in September. Check more long-term weather averages for Exmouth in September before you book your next holiday to Western Australia in 2025/2026.

  • 84°F maximum daytime temperature in September in Exmouth84
    84°F max day temperature
  • 11 hours of sunshine per day
  • 1 day with some rainfall in September in Exmouth1
    1 day with some rainfall
  • 57°F minimum night-time temperature in September in Exmouth57
    57°F min night temperature
  • 12 hours of daylight per day in September in Exmouth12
    12 hours of daylight per day
  • Low heat & humidity in September in ExmouthL
    Low heat & humidity
  • 0.1 inches monthly rainfall in September in Exmouth0.1
    0.1 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in September in Exmouth10
    10 (Very High) UV index
  • 72°F sea temperature in September in Exmouth72
    72°F sea temperature

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The September weather guide for Western Australia (Exmouth) 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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More about Australia

How hot is it in Exmouth in September?

Daytime temperatures usually reach 84°F in Exmouth in September with low heat and humidity, falling to 57°F at night.

How sunny is it in Exmouth in September?

There are normally 11 hours of bright sunshine each day in Exmouth in September - that's 92% of daylight hours.

How warm is the sea around Exmouth in September?

The average sea temperature around Exmouth in September is 72°F.

Does it ever rain in Exmouth in September?

There is usually 1 day with some rain in Exmouth in September and the average monthly rainfall is 0.1 inches.

Exmouth September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:33 18:14
Monday, 15th September 2025 06:20 18:18
Tuesday, 30th September 2025 06:05 18:22

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