San Antonio weather in September 2025

Expect 27°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in San Antonio in September. Check more long-term weather averages for San Antonio in September before you book your next holiday to Ibiza in 2025/2026.

  • 27°C maximum daytime temperature in September in San Antonio27
    27°C max day temperature
  • 8 hours of sunshine per day
  • 6 days with some rainfall in September in San Antonio6
    6 days with some rainfall
  • 19°C minimum night-time temperature in September in San Antonio19
    19°C min night temperature
  • 12 hours of daylight per day in September in San Antonio12
    12 hours of daylight per day
  • Low heat & humidity in September in San AntonioL
    Low heat & humidity
  • 46 mm monthly rainfall in September in San Antonio46
    46 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in San Antonio6
    6 (High) UV index
  • 25°C sea temperature in September in San Antonio25
    25°C sea temperature

More about San Antonio

San Antonio by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Ibiza

  • Save on package holidays in 2025/2026 with Jet2holidays
  • Explore top discounted holidays & exclusive offers
  • Including hotel deals, free child places & singles discount

Jet2holidaysJet2holidays deal finder

The September weather guide for Ibiza (San Antonio) 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)

Back to top

More about Ibiza

How hot is it in San Antonio in September?

Daytime temperatures usually reach 27°C in San Antonio in September with low heat and humidity, falling to 19°C at night.

How sunny is it in San Antonio in September?

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

How warm is the sea around San Antonio in September?

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

Does it rain in San Antonio in September?

There are usually 6 days with some rain in San Antonio in September and the average monthly rainfall is 46mm.

San Antonio September sunrise & sunset times

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

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^