Alghero weather in September 2025

Expect daytime maximum temperatures of 26°C in Alghero in September based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 40 mm of rainfall in the month.

  • 26°C maximum daytime temperature in September in Alghero26
    26°C max day temperature
  • 8 hours of sunshine per day
  • 7 days with some rainfall in September in Alghero7
    7 days with some rainfall
  • 17°C minimum night-time temperature in September in Alghero17
    17°C min night temperature
  • 12 hours of daylight per day in September in Alghero12
    12 hours of daylight per day
  • Low heat & humidity in September in AlgheroL
    Low heat & humidity
  • 40 mm monthly rainfall in September in Alghero40
    40 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Alghero6
    6 (High) UV index
  • 23°C sea temperature in September in Alghero23
    23°C sea temperature

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The September weather guide for Sardinia (Alghero) 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 Alghero in September?

Daytime temperatures usually reach 26°C in Alghero in September with low heat and humidity, falling to 17°C at night.

How sunny is it in Alghero in September?

There are normally 8 hours of bright sunshine each day in Alghero in September - that's 67% of daylight hours.

How warm is the sea around Alghero in September?

The average sea temperature around Alghero in September is 23°C.

Does it rain in Alghero in September?

There are usually 7 days with some rain in Alghero in September and the average monthly rainfall is 40mm.

Alghero September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:54 18:59
Monday, 15th September 2025 06:07 18:36
Tuesday, 30th September 2025 06:22 18:10

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