Lord Howe Island weather in September 2025

Expect daytime maximum temperatures of 19°C in Lord Howe Island in September based on long-term weather averages. There are 17 days with some rainfall and typically 138 mm of rainfall in the month.

  • 19°C maximum daytime temperature in September in Lord Howe Island19
    19°C max day temperature
  • 17 days with some rainfall in September in Lord Howe Island17
    17 days with some rainfall
  • 14°C minimum night-time temperature in September in Lord Howe Island14
    14°C min night temperature
  • 12 hours of daylight per day in September in Lord Howe Island12
    12 hours of daylight per day
  • No heat & humidity in September in Lord Howe Island0
    No heat & humidity
  • 138 mm monthly rainfall in September in Lord Howe Island138
    138 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Lord Howe Island6
    6 (High) UV index
  • 19°C sea temperature in September in Lord Howe Island19
    19°C sea temperature

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The September weather guide for New South Wales (Lord Howe 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 / mm)  |  Imperial (°F / inches)

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How hot is it in Lord Howe Island in September?

Daytime temperatures usually reach 19°C in Lord Howe Island in September, falling to 14°C at night.

How warm is the sea around Lord Howe Island in September?

The average sea temperature around Lord Howe Island in September is 19°C.

Does it rain in Lord Howe Island in September?

There are usually 17 days with some rain in Lord Howe Island in September and the average monthly rainfall is 138mm.

Lord Howe Island September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:10 17:37
Monday, 15th September 2025 05:53 17:46
Tuesday, 30th September 2025 05:33 17:55

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