Porto weather in September 2024

Expect 24°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Porto in September. Check more long-term weather averages for Porto in September before you book your next holiday to Portugal in 2024/2025.

  • 24°C maximum daytime temperature in September in Porto24
    24°C max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in September in Porto8
    8 days with some rainfall
  • 14°C minimum night-time temperature in September in Porto14
    14°C min night temperature
  • 12 hours of daylight per day in September in Porto12
    12 hours of daylight per day
  • No heat & humidity in September in Porto0
    No heat & humidity
  • 62 mm monthly rainfall in September in Porto62
    62 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Porto6
    6 (High) UV index
  • 18°C sea temperature in September in Porto18
    18°C sea temperature

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The September weather guide for Portugal (Porto) 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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More about Portugal

How hot is it in Porto in September?

Daytime temperatures usually reach 24°C in Porto in September, falling to 14°C at night.

How sunny is it in Porto in September?

There are normally 8 hours of bright sunshine each day in Porto in September - that's 60% of daylight hours.

How warm is the sea around Porto in September?

The average sea temperature around Porto in September is 18°C.

Does it rain in Porto in September?

There are usually 8 days with some rain in Porto in September and the average monthly rainfall is 62mm.

Porto September sunrise & sunset times

Browse the sunrise and sunset times for Porto in September 2024. Select a month to view Porto sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st September 2024 07:01 20:06
Sunday, 15th September 2024 07:15 19:43
Monday, 30th September 2024 07:30 19:17

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