Geraldton weather in September 2025

Expect 22°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Geraldton in September. Check more long-term weather averages for Geraldton in September before you book your next holiday to Western Australia in 2025/2026.

  • 22°C maximum daytime temperature in September in Geraldton22
    22°C max day temperature
  • 9 hours of sunshine per day
  • 7 days with some rainfall in September in Geraldton7
    7 days with some rainfall
  • 9°C minimum night-time temperature in September in Geraldton9
    9°C min night temperature
  • 12 hours of daylight per day in September in Geraldton12
    12 hours of daylight per day
  • No heat & humidity in September in Geraldton0
    No heat & humidity
  • 33 mm monthly rainfall in September in Geraldton33
    33 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Geraldton7
    7 (High) UV index
  • 19°C sea temperature in September in Geraldton19
    19°C sea temperature

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The September weather guide for Western Australia (Geraldton) 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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How hot is it in Geraldton in September?

Daytime temperatures usually reach 22°C in Geraldton in September, falling to 9°C at night.

How sunny is it in Geraldton in September?

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

How warm is the sea around Geraldton in September?

The average sea temperature around Geraldton in September is 19°C.

Does it rain in Geraldton in September?

There are usually 7 days with some rain in Geraldton in September and the average monthly rainfall is 33mm.

Geraldton September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:36 18:07
Monday, 15th September 2025 06:20 18:14
Tuesday, 30th September 2025 06:02 18:22

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