Visiting Ibiza in September 2026?

The busiest days are the 8th, 15th, 19th and 30th, and 12 more. Away from those, most days sit Lively. The calmest stretch is the 5th–7th.

Cruise ships are in port on 18 of 30 days; the heaviest is Sat 19 Sep, 2 ships in at once. Those mornings fill the squares first — start early, or save them for indoors.

The month is not one thing: its lightest day sits at 61% of the year and its heaviest at 95%, so where you land inside it matters. All five Tuesdays run Packed. Daylight runs about 12 hours.

Either side of it, August is busier still and October is a little calmer.

The calmest days include the 18th, 24th and 26th — 5 days share that level, so there is room to choose.

How does October compare? →

• The heaviest port day is Sat 19 Sep — 2 ships in at once. See the marquee sights on a lighter day, or be there for opening time.
• Need flexibility? The 5th–7th is the month's calmest stretch — the easiest window to move around in.
• On the busy days, the walk-up queues for the big sights are the biggest time-sink — a timed-entry ticket skips them, which is where a busy month is won or lost.

Real heat — around 28°C / 82°F by day, so pace the afternoons and carry water, with rain on about 7 days, so keep a layer handy.

• At around 28°C / 82°F the sun is the thing to plan around. A wide brim beats a cap because it shades the neck and ears through the middle of the day, and a light long sleeve keeps the sun off without trapping heat while you walk. Browse on Amazon ↗
• Showers are occasional rather than constant in September, so a foldaway shell that lives in a day bag beats packing for rain you probably won't get. Browse on Amazon ↗

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Strong value — near-peak weather without the peak crush.

Worth booking the marquee sights ahead for the busy days, but you can keep the rest of the trip flexible.

Compare October →