Port Lincoln weather in September 2025

Expect 18°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Port Lincoln in September. Check more long-term weather averages for Port Lincoln in September before you book your next holiday to South Australia in 2025/2026.

  • 18°C maximum daytime temperature in September in Port Lincoln18
    18°C max day temperature
  • 7 hours of sunshine per day
  • 8 days with some rainfall in September in Port Lincoln8
    8 days with some rainfall
  • 9°C minimum night-time temperature in September in Port Lincoln9
    9°C min night temperature
  • 12 hours of daylight per day in September in Port Lincoln12
    12 hours of daylight per day
  • No heat & humidity in September in Port Lincoln0
    No heat & humidity
  • 50 mm monthly rainfall in September in Port Lincoln50
    50 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Port Lincoln5
    5 (Moderate) UV index
  • 15°C sea temperature in September in Port Lincoln15
    15°C sea temperature

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The September weather guide for South Australia (Port Lincoln) 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 Port Lincoln in September?

Daytime temperatures usually reach 18°C in Port Lincoln in September, falling to 9°C at night.

How sunny is it in Port Lincoln in September?

There are normally 7 hours of bright sunshine each day in Port Lincoln in September - that's 61% of daylight hours.

How warm is the sea around Port Lincoln in September?

The average sea temperature around Port Lincoln in September is 15°C.

Does it rain in Port Lincoln in September?

There are usually 8 days with some rain in Port Lincoln in September and the average monthly rainfall is 50mm.

Port Lincoln September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:46 18:08
Monday, 15th September 2025 06:26 18:18
Tuesday, 30th September 2025 06:05 18:29

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