Porto Santo weather in September 2025

Expect 75°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Porto Santo in September. Check more long-term weather averages for Porto Santo in September before you book your next holiday to Madeira in 2025/2026.

  • 75°F maximum daytime temperature in September in Porto Santo75
    75°F max day temperature
  • 7 hours of sunshine per day
  • 6 days with some rainfall in September in Porto Santo6
    6 days with some rainfall
  • 64°F minimum night-time temperature in September in Porto Santo64
    64°F min night temperature
  • 12 hours of daylight per day in September in Porto Santo12
    12 hours of daylight per day
  • Low heat & humidity in September in Porto SantoL
    Low heat & humidity
  • 1.4 inches monthly rainfall in September in Porto Santo1.4
    1.4 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Porto Santo8
    8 (Very High) UV index
  • 73°F sea temperature in September in Porto Santo73
    73°F sea temperature

More about Porto Santo

Porto Santo by month

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The September weather guide for Madeira (Porto Santo) 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)  |  Imperial (°F)

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More about Madeira

How hot is it in Porto Santo in September?

Daytime temperatures usually reach 75°F in Porto Santo in September, falling to 64°F at night.

How sunny is it in Porto Santo in September?

There are normally 7 hours of bright sunshine each day in Porto Santo in September - that's 54% of daylight hours.

How warm is the sea around Porto Santo in September?

The average sea temperature around Porto Santo in September is 73°F.

Does it rain in Porto Santo in September?

There are usually 6 days with some rain in Porto Santo in September and the average monthly rainfall is 1.4 inches.

Porto Santo September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:40 19:30
Monday, 15th September 2025 06:49 19:11
Tuesday, 30th September 2025 06:59 18:51

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