Portugal weather in September 2023

  • 27°C maximum daytime temperature in September in Portugal (Lisbon)27
    27°C max day temperature
  • 9 hours of sunshine per day
  • 6 days with some rainfall in September in Portugal (Lisbon)6
    6 days with some rainfall
  • 17°C minimum night-time temperature in September in Portugal (Lisbon)17
    17°C min night temperature
  • 12 hours of daylight per day in September in Portugal (Lisbon)12
    12 hours of daylight per day
  • Low heat & humidity in September in Portugal (Lisbon)L
    Low heat & humidity
  • 26 mm monthly rainfall in September in Portugal (Lisbon)26
    26 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Portugal (Lisbon)6
    6 (High) UV index
  • 19°C sea temperature in September in Portugal (Lisbon)19
    19°C sea temperature

Below are average maximum temperatures at popular destinations in Portugal in September. Select a destination to see more weather parameters.

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Recommended for Portugal

The September weather guide for Portugal (Lisbon) 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.

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Metric (°C / mm)  |  Imperial (°F / inches)

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More about Portugal

How hot is it in Portugal in September?

Daytime temperatures usually reach 27°C in Lisbon, Portugal in September with low heat and humidity, falling to 17°C at night.

How sunny is it in Portugal in September?

There are normally 9 hours of bright sunshine each day in Lisbon, Portugal in September - that's 68% of daylight hours.

How warm is the sea around Portugal in September?

The average sea temperature around Lisbon, Portugal in September is 19°C.

Does it rain in Portugal in September?

There are usually 6 days with some rain in Lisbon, Portugal in September and the average monthly rainfall is 26mm.

Portugal September sunrise & sunset times

Browse the sunrise and sunset times for Portugal in September 2023. Select a month to view Portugal sunrise and sunset times for the next 12 months. The Portugal sunrise and sunset times shown below are for Lisbon.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st September 2023 07:05 20:07
Friday, 15th September 2023 07:18 19:45
Saturday, 30th September 2023 07:31 19:21

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