Altura weather in September 2025

Expect 28°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Altura in September. Check more long-term weather averages for Altura in September before you book your next holiday to Algarve in 2025/2026.

  • 28°C maximum daytime temperature in September in Altura28
    28°C max day temperature
  • 9 hours of sunshine per day
  • 3 days with some rainfall in September in Altura3
    3 days with some rainfall
  • 17°C minimum night-time temperature in September in Altura17
    17°C min night temperature
  • 12 hours of daylight per day in September in Altura12
    12 hours of daylight per day
  • Low heat & humidity in September in AlturaL
    Low heat & humidity
  • 18 mm monthly rainfall in September in Altura18
    18 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Altura7
    7 (High) UV index
  • 21°C sea temperature in September in Altura21
    21°C sea temperature

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The September weather guide for Algarve (Altura) 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 Altura in September?

Daytime temperatures usually reach 28°C in Altura in September with low heat and humidity, falling to 17°C at night.

How sunny is it in Altura in September?

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

How warm is the sea around Altura in September?

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

Does it ever rain in Altura in September?

There are usually 3 days with some rain in Altura in September and the average monthly rainfall is 18mm.

Altura September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:01 18:58
Monday, 15th September 2025 06:12 18:37
Tuesday, 30th September 2025 06:25 18:15

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