The weather in Formentera in September is very hot. The average temperatures are between 23°C and 27°C, drinking water regularly is advisable.
You can expect a few rainy days in Formentera during September, but usually the weather is comfortable in September.
Our weather forecast can give you a great sense of what weather to expect in Formentera in September 2025.
If you’re planning to visit Formentera in the near future, we highly recommend that you review the 14 day weather forecast for Formentera before you arrive.
Temperatures
27° / 23°
Rainy Days
2
Snowy Days
0
Dry Days
28
Rainfall
44
mm
Sun Hours
11.7
Hrs