Hamilton Island weather in September 2025

Expect daytime maximum temperatures of 79°F in Hamilton Island, Queensland in September based on long-term weather averages. There are 9 hours of sunshine per day on average.

  • 79°F maximum daytime temperature in September in Hamilton Island79
    79°F max day temperature
  • 9 hours of sunshine per day
  • 4 days with some rainfall in September in Hamilton Island4
    4 days with some rainfall
  • 63°F minimum night-time temperature in September in Hamilton Island63
    63°F min night temperature
  • 12 hours of daylight per day in September in Hamilton Island12
    12 hours of daylight per day
  • Low heat & humidity in September in Hamilton IslandL
    Low heat & humidity
  • 0.7 inches monthly rainfall in September in Hamilton Island0.7
    0.7 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in September in Hamilton Island10
    10 (Very High) UV index
  • 73°F sea temperature in September in Hamilton Island73
    73°F sea temperature

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The September weather guide for Queensland (Hamilton Island) 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 Hamilton Island in September?

Daytime temperatures usually reach 79°F in Hamilton Island in September with low heat and humidity, falling to 63°F at night.

How sunny is it in Hamilton Island in September?

There are normally 9 hours of bright sunshine each day in Hamilton Island in September - that's 78% of daylight hours.

How warm is the sea around Hamilton Island in September?

The average sea temperature around Hamilton Island in September is 73°F.

Does it rain in Hamilton Island in September?

There are usually 4 days with some rain in Hamilton Island in September and the average monthly rainfall is 0.7 inches.

Hamilton Island September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:13 17:56
Monday, 15th September 2025 06:01 17:59
Tuesday, 30th September 2025 05:47 18:02

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