Coimbra weather in September 2025

Expect 27°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Coimbra in September. Check more long-term weather averages for Coimbra in September before you book your next holiday to Portugal in 2025/2026.

  • 27°C maximum daytime temperature in September in Coimbra27
    27°C max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in September in Coimbra9
    9 days with some rainfall
  • 15°C minimum night-time temperature in September in Coimbra15
    15°C min night temperature
  • 12 hours of daylight per day in September in Coimbra12
    12 hours of daylight per day
  • Low heat & humidity in September in CoimbraL
    Low heat & humidity
  • 48 mm monthly rainfall in September in Coimbra48
    48 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Coimbra6
    6 (High) UV index

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The September weather guide for Portugal (Coimbra) 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 Coimbra in September?

Daytime temperatures usually reach 27°C in Coimbra in September with low heat and humidity, falling to 15°C at night.

How sunny is it in Coimbra in September?

There are normally 8 hours of bright sunshine each day in Coimbra in September - that's 63% of daylight hours.

Does it rain in Coimbra in September?

There are usually 9 days with some rain in Coimbra in September and the average monthly rainfall is 48mm.

Coimbra September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:01 19:05
Monday, 15th September 2025 06:15 18:42
Tuesday, 30th September 2025 06:29 18:17

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