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Formentera weather in September 2025
Expect 28°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Formentera in September. Check more long-term weather averages for Formentera in September before you book your next holiday to Formentera in 2025/2026.
- 2828°C max day temperature
- 8 hours of sunshine per day
- 66 days with some rainfall
- 1919°C min night temperature
- 1212 hours of daylight per day
- MModerate heat & humidity
- 4141 mm of monthly rainfall
- 66 (High) UV index
- 2525°C sea temperature
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Formentera by month
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Recommended for Formentera
The September weather guide for Formentera 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)
More about Spain
How hot is it in Formentera in September?
Daytime temperatures usually reach 28°C in Formentera in September with moderate heat and humidity, falling to 19°C at night.
How sunny is it in Formentera in September?
There are normally 8 hours of bright sunshine each day in Formentera in September - that's 65% of daylight hours.
How warm is the sea around Formentera in September?
The average sea temperature around Formentera in September is 25°C.
Does it rain in Formentera in September?
There are usually 6 days with some rain in Formentera in September and the average monthly rainfall is 41mm.
Formentera September sunrise & sunset times
Browse the sunrise and sunset times for Formentera in September 2025. Select a month to view Formentera sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 06:23 | 19:24 |
Monday, 15th September 2025 | 06:36 | 19:02 |
Tuesday, 30th September 2025 | 06:49 | 18:38 |
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