San Antonio Bay weather in September 2025

Expect 81°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in San Antonio Bay in September. Check more long-term weather averages for San Antonio Bay in September before you book your next holiday to Ibiza in 2025/2026.

  • 81°F maximum daytime temperature in September in San Antonio Bay81
    81°F max day temperature
  • 8 hours of sunshine per day
  • 6 days with some rainfall in September in San Antonio Bay6
    6 days with some rainfall
  • 66°F minimum night-time temperature in September in San Antonio Bay66
    66°F min night temperature
  • 12 hours of daylight per day in September in San Antonio Bay12
    12 hours of daylight per day
  • Low heat & humidity in September in San Antonio BayL
    Low heat & humidity
  • 1.8 inches monthly rainfall in September in San Antonio Bay1.8
    1.8 inches of monthly rainfall
  • UV (maximum) index 6 (High) in September in San Antonio Bay6
    6 (High) UV index
  • 77°F sea temperature in September in San Antonio Bay77
    77°F sea temperature

More about San Antonio Bay

San Antonio Bay by month

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The September weather guide for Ibiza (San Antonio Bay) 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 Ibiza

How hot is it in San Antonio Bay in September?

Daytime temperatures usually reach 81°F in San Antonio Bay in September with low heat and humidity, falling to 66°F at night.

How sunny is it in San Antonio Bay in September?

There are normally 8 hours of bright sunshine each day in San Antonio Bay in September - that's 64% of daylight hours.

How warm is the sea around San Antonio Bay in September?

The average sea temperature around San Antonio Bay in September is 77°F.

Does it rain in San Antonio Bay in September?

There are usually 6 days with some rain in San Antonio Bay in September and the average monthly rainfall is 1.8 inches.

San Antonio Bay September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:24 19:25
Monday, 15th September 2025 06:36 19:03
Tuesday, 30th September 2025 06:50 18:39

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