Quarteira weather in September 2025

Expect 27°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Quarteira in September. Check more long-term weather averages for Quarteira in September before you book your next holiday to Algarve in 2025/2026.

  • 27°C maximum daytime temperature in September in Quarteira27
    27°C max day temperature
  • 9 hours of sunshine per day
  • 2 days with some rainfall in September in Quarteira2
    2 days with some rainfall
  • 17°C minimum night-time temperature in September in Quarteira17
    17°C min night temperature
  • 12 hours of daylight per day in September in Quarteira12
    12 hours of daylight per day
  • Low heat & humidity in September in QuarteiraL
    Low heat & humidity
  • 15 mm monthly rainfall in September in Quarteira15
    15 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Quarteira7
    7 (High) UV index
  • 21°C sea temperature in September in Quarteira21
    21°C sea temperature

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Quarteira by month

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The September weather guide for Algarve (Quarteira) 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 the Algarve

How hot is it in Quarteira in September?

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

How sunny is it in Quarteira in September?

There are normally 9 hours of bright sunshine each day in Quarteira in September - that's 72% of daylight hours.

How warm is the sea around Quarteira in September?

The average sea temperature around Quarteira in September is 21°C.

Does it ever rain in Quarteira in September?

There are usually 2 days with some rain in Quarteira in September and the average monthly rainfall is 15mm.

Quarteira September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:03 19:01
Monday, 15th September 2025 06:15 18:40
Tuesday, 30th September 2025 06:27 18:17

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