Portofino weather in September 2025

Expect 70°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Portofino in September. Check more long-term weather averages for Portofino in September before you book your next holiday to Italian Riviera in 2025/2026.

  • 70°F maximum daytime temperature in September in Portofino70
    70°F max day temperature
  • 7 hours of sunshine per day
  • 9 days with some rainfall in September in Portofino9
    9 days with some rainfall
  • 55°F minimum night-time temperature in September in Portofino55
    55°F min night temperature
  • 12 hours of daylight per day in September in Portofino12
    12 hours of daylight per day
  • No heat & humidity in September in Portofino0
    No heat & humidity
  • 3.9 inches monthly rainfall in September in Portofino3.9
    3.9 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Portofino5
    5 (Moderate) UV index
  • 73°F sea temperature in September in Portofino73
    73°F sea temperature

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The September weather guide for Italian Riviera (Portofino) 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 Portofino in September?

Daytime temperatures usually reach 70°F in Portofino in September, falling to 55°F at night.

How sunny is it in Portofino in September?

There are normally 7 hours of bright sunshine each day in Portofino in September - that's 52% of daylight hours.

How warm is the sea around Portofino in September?

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

Does it rain in Portofino in September?

There are usually 9 days with some rain in Portofino in September and the average monthly rainfall is 3.9 inches.

Portofino September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:46 18:59
Monday, 15th September 2025 06:02 18:34
Tuesday, 30th September 2025 06:20 18:06

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