Ibiza weather in September
September in Ibiza: hot, a little rain — an excellent time to visit.
#5 of 12 months in Ibiza · #199 of 604 destinations to visit in September · comfort 85/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Ibiza climate normals — September
| Daytime high | 28°C / 83°F | 🥵 hot |
|---|---|---|
| Nighttime low | 22°C / 72°F | |
| Feels like (high) | 30°C / 86°F | |
| Rainfall | 73 mm / 2.9 in | 🌦 some rain |
| Rainy days | 7 days | |
| Humidity | 67% | 💧 humid |
| Dew point | 19°C / 65°F | |
| Sunshine | 10.6 h/day | |
| Daylight | 12.4 h | |
| Wind | 21 km/h / 13 mph | |
| Air quality (US AQI) | 51 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Ibiza in September — FAQ
- Is September a good time to visit Ibiza?
- September in Ibiza: hot, a little rain — an excellent time to visit. It ranks #5 of 12 months for Ibiza on SeasonMap's comfort score (85/100).
- What is the weather like in Ibiza in September?
- In September, Ibiza averages a daily high of 28.2°C and a low of 22°C, with about 72.8 mm of rain over roughly 6.8 rainy days.
- What is the air quality in Ibiza in September?
- Ibiza has a mean US Air Quality Index of about 51 in September.