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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 max day temperature
81 - 8 hours of sunshine per day
- 6 days with some rainfall
6 - 66°F min night temperature
66 - 12 hours of daylight per day
12 - Low heat & humidity
L - 1.8 inches of monthly rainfall
1.8 - 6 (High) UV index
6 - 77°F sea temperature
77
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Recommended for Ibiza
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)
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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