Mahon weather in September 2025

Expect 26°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Mahon in September. Check more long-term weather averages for Mahon in September before you book your next holiday to Menorca in 2025/2026.

  • 26°C maximum daytime temperature in September in Mahon26
    26°C max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in September in Mahon8
    8 days with some rainfall
  • 18°C minimum night-time temperature in September in Mahon18
    18°C min night temperature
  • 12 hours of daylight per day in September in Mahon12
    12 hours of daylight per day
  • Low heat & humidity in September in MahonL
    Low heat & humidity
  • 61 mm monthly rainfall in September in Mahon61
    61 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Mahon6
    6 (High) UV index
  • 25°C sea temperature in September in Mahon25
    25°C sea temperature

More about Mahon

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The September weather guide for Menorca (Mahon) 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 Menorca

How hot is it in Mahon in September?

Daytime temperatures usually reach 26°C in Mahon in September with low heat and humidity, falling to 18°C at night.

How sunny is it in Mahon in September?

There are normally 8 hours of bright sunshine each day in Mahon in September - that's 61% of daylight hours.

How warm is the sea around Mahon in September?

The average sea temperature around Mahon in September is 25°C.

Does it rain in Mahon in September?

There are usually 8 days with some rain in Mahon in September and the average monthly rainfall is 61mm.

Mahon September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:11 19:14
Monday, 15th September 2025 06:24 18:51
Tuesday, 30th September 2025 06:38 18:27

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