Silves weather in September 2025

Expect 26°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Silves in September. Check more long-term weather averages for Silves in September before you book your next holiday to Algarve in 2025/2026.

  • 26°C maximum daytime temperature in September in Silves26
    26°C max day temperature
  • 9 hours of sunshine per day
  • 3 days with some rainfall in September in Silves3
    3 days with some rainfall
  • 17°C minimum night-time temperature in September in Silves17
    17°C min night temperature
  • 12 hours of daylight per day in September in Silves12
    12 hours of daylight per day
  • Low heat & humidity in September in SilvesL
    Low heat & humidity
  • 18 mm monthly rainfall in September in Silves18
    18 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Silves7
    7 (High) UV index

More about the Silves

Silves by month

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

Daytime temperatures usually reach 26°C in Silves in September with low heat and humidity, falling to 17°C at night.

How sunny is it in Silves in September?

There are normally 9 hours of bright sunshine each day in Silves in September - that's 70% of daylight hours.

Does it ever rain in Silves in September?

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

Silves September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:04 19:02
Monday, 15th September 2025 06:16 18:41
Tuesday, 30th September 2025 06:28 18:18

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