Weather in Ibiza in September 2025
Average weather
Average temperature in Ibiza in September
The temperature in September is +27°C on average, with a range between a maximum of +29°C during the day and a minimum of +18°C at night.
The average maximum temperature goes down 9% by the end of the month, compared with the beginning of the month, from +28°C to +27°C.
Is Ibiza warm or cold in September?
Ibiza is typically warm in September.
Maximum temperatures go down compared to the previous month from +28°C to +25°C. The minimum temperature also goes down from +24°C to +22°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
September is one of the warmest months in Ibiza, here is the comparison with other months:
Water temperature in Ibiza in September
Water in Ibiza in September is Warm. It varies from +24°C to +27°C, with an average of +25°C. Note that the air temperature is lower than the water temperature, averaging around +25°C.
The water temperature in September is one of the warmest of the entire year:
Can you swim in Ibiza in September?
Climate in Ibiza in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +28°C | +25°C | +22°C | ||||
| Min. temperature | ||||||
| +14°C | +9°C | 0°C | ||||
| Max. temperature | ||||||
| +36°C | +32°C | +31°C | ||||
| Rainfall | ||||||
| 17 mm | 42 mm | 47 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Avg. water temperature | ||||||
| +26°C | +25°C | +23°C | ||||
| Humidity | ||||||
| 72% | 72% | 74% | ||||
| Air pressure | ||||||
| 1014 HPa | 1015 HPa | 1015 HPa | ||||
| Sunny days | ||||||
| 20 | 14 | 11 | ||||
| Cloudy days | ||||||
| 6 | 7 | 9 | ||||
| Rainy days | ||||||
| 3 | 7 | 8 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September typically has worse weather conditions compared to August. It’s getting colder in September. From +28°C in the day, the average maximum temperature lowers to +25°C. Prepare for more rain. Average rainfall goes from 17 mm to 42 mm. Humidity levels don’t change as the month goes on, averaging around 72%. The average wind speed doesn’t change much during September, staying around 2 m/s. The days becoming less sunny, going from 20 sunny days in August to 14 in September.
October brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Ibiza is gradually decreasing during September, going from 3 m/s to 2 m/s over the course of the month.
Rain
How was the weather last September in Ibiza?
Climate Change over Years
The climate in Ibiza in September has not changed much over the last 43 years.
The average temperature was the lowest in 1984 (+19°C) and the highest in 2012 (+22°C). The driest year was 2000 with only 158 mm of rainfall, and the wettest year was 1996 with 611 mm.
FAQ
Is September a good time to visit Ibiza?
Can you sunbathe in Ibiza in September?
Can you swim in Ibiza in September?
Is Ibiza rainy in September?
Is it sunny in Ibiza in September?
Other cities in Spain
Monthly weather in Ibiza
Source of the data
For this page, we’ve looked at the typical weather in Ibiza, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.