Verdict: Excellent month
Ibiza Weather in September
September runs warm in Ibiza, with daily highs around 28°C (82°F) and nights near 22°C (72°F). Rain is occasional — about 7 wet days in a typical year. Overall, September is one of the best months of the year to be in Ibiza.
Average high
28°C / 82°F
Average low
22°C / 72°F
Rain days
~7
Precipitation
71 mm
What to pack for Ibiza in September
- Summer clothes, plus one light layer for air-con and evenings
- High-SPF sunscreen, sunglasses, and a refillable water bottle
- A packable rain shell or compact umbrella earns its space
- Comfortable walking shoes — every guide on this site assumes you'll use them
September against the rest of the year
Warmest in Ibiza: Aug (31°C / 88°F) · Coolest: Jan (15°C / 59°F) · Wettest: Mar (~9 rain days)
15°
10°
Jan
17°
11°
Feb
17°
12°
Mar
19°
13°
Apr
23°
16°
May
27°
20°
Jun
30°
23°
Jul
31°
24°
Aug
28°
22°
Sep
24°
19°
Oct
20°
15°
Nov
17°
12°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)