Updated 2 Nov 2026 · recomputed nightly
Is September 2027 a good month to visit Ibiza?
Lively — the typical September day in Ibiza is busier than 79% of its year.
If you are coming for something that only happens in September, that is the trade. If not, January is quieter.
Calm · Lively · Busy · Packed rank a day against Ibiza's own year — not a headcount.
September sits between the seasons in Ibiza: warm and showery, around 28°C / 82°F with rain on about 7 days, Lively on 11 of 30 days — 19 days run Busy or Packed.
Yes. The typical September day in Ibiza is Lively, and 19 of the 30 days in our window run Busy or Packed, so most days feel crowded. Expect around 28 °C by day, with rain on about 7 days. The crowd comes with the school holidays in Germany and the Netherlands. Cruise ships call on 18 of the 30 days, 2 at once on Thursday 16 September. Mid September is the month's quietest stretch in Ibiza — the typical day at 64%, against 80% in early September. The crush is at the famous calas at midday; the quiet is at the rural north. The calmest day is Sunday 12 September, the busiest Thursday 16 September.
In short, a solid middle-ground pick.
Among the 12 months we forecast for Ibiza, September ranks 4th for crowd pressure. Its heaviest day is Thu 16 Sep, busier than 98% of the year; its lightest is Sun 12 Sep at 59%.
Preparing pays off in a month like this: timed-entry tickets and pre-booked tours turn the queue time into sightseeing time. see the options →
Nothing extreme to plan around — rain on 7 of 30 days.
The one thing you wear all day, every day of the trip.
See walking shoes →
A folding one lives in the day bag and weighs nothing.
See umbrellas →
How busy is Ibiza in September?
The busiest days are the 10th, 16th, 22nd and 24th, and 15 more. Away from those, most days sit Lively. The calmest stretch is the 18th–20th.
Ships call on 18 of 30 days, a typical call day carrying at least 4,300 guests between them — real, but a secondary part of the crowd here; the season moves the needle more.
The month is not one thing: its lightest day sits at 59% of the year and its heaviest at 98%, so where you land inside it matters. All five Wednesdays run Busy or Packed. Daylight runs about 12 hours.
Either side of it, August is busier still and October is about half as busy.
The calmest days include the 12th, 13th and 18th — 8 days share that level, so there is room to choose.
Wed 01 Sep Busy busier than 77% of days here · ⚓1 · Germany school holidays
- MSC Musica — guest capacity 2,550 12:00–23:00
Record Ibiza on Wed 1 Sep 2027 is forecast Busy. 1 cruise ship scheduled, at least 2,550 guests at double occupancy; ships in port 12:00–23:00. Why: school holidays in Germany and the Netherlands. Nearest calmer day: Sun 5 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/ibiza/#d-2027-09-01 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Thu 02 Sep Busy busier than 80% of days here · ⚓1 · Germany school holidays
- Costa Fascinosa — guest capacity 3,014 12:00–03:00
Record Ibiza on Thu 2 Sep 2027 is forecast Busy. 1 cruise ship scheduled, at least 3,014 guests at double occupancy; ships in port 12:00–03:00. Why: school holidays in Germany and the Netherlands. Nearest calmer day: Sun 5 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/ibiza/#d-2027-09-02 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Fri 03 Sep Busy busier than 81% of days here · ⚓1 · Germany school holidays
- MSC Fantasia — guest capacity 3,274 12:00–23:00
Record Ibiza on Fri 3 Sep 2027 is forecast Busy. 1 cruise ship scheduled, at least 3,274 guests at double occupancy; ships in port 12:00–23:00. Why: school holidays in Germany and the Netherlands. Nearest calmer day: Sun 5 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/ibiza/#d-2027-09-03 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sat 04 Sep Packed busier than 85% of days here · ⚓1 · Germany school holidays
- Norwegian Epic — guest capacity 4,244
Record Ibiza on Sat 4 Sep 2027 is forecast Packed. 1 cruise ship scheduled, at least 4,244 guests at double occupancy. Why: school holidays in Germany and the Netherlands. Nearest calmer day: Fri 3 Sep (Busy). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/ibiza/#d-2027-09-04 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sun 05 Sep Lively busier than 62% of days here · Germany school holidays
Record Ibiza on Sun 5 Sep 2027 is forecast Lively. Why: school holidays in Germany and the Netherlands. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/ibiza/#d-2027-09-05 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Mon 06 Sep Lively busier than 60% of days here · Germany school holidays
Record Ibiza on Mon 6 Sep 2027 is forecast Lively. Why: school holidays in Germany. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/ibiza/#d-2027-09-06 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Tue 07 Sep Packed busier than 90% of days here · ⚓2 · Germany school holidays
- Costa Toscana — guest capacity 5,322
- Explora I — size unknown (uncounted)
Record Ibiza on Tue 7 Sep 2027 is forecast Packed. 2 cruise ships scheduled, at least 5,322 guests at double occupancy, plus 1 of unknown size. Why: school holidays in Germany. Nearest calmer day: Mon 6 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/ibiza/#d-2027-09-07 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Wed 08 Sep Busy busier than 79% of days here · ⚓1 · Spain public holiday
- MSC Musica — guest capacity 2,550 12:00–23:00
Record Ibiza on Wed 8 Sep 2027 is forecast Busy. 1 cruise ship scheduled, at least 2,550 guests at double occupancy; ships in port 12:00–23:00. Why: Spain public holiday; Germany school holidays. Nearest calmer day: Mon 6 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/ibiza/#d-2027-09-08 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Thu 09 Sep Busy busier than 79% of days here · ⚓1 · Germany school holidays
- Costa Fascinosa — guest capacity 3,014 12:00–03:00
Record Ibiza on Thu 9 Sep 2027 is forecast Busy. 1 cruise ship scheduled, at least 3,014 guests at double occupancy; ships in port 12:00–03:00. Why: school holidays in Germany. Nearest calmer day: Mon 6 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/ibiza/#d-2027-09-09 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Fri 10 Sep Packed busier than 92% of days here · ⚓2 · Germany school holidays
- MSC Fantasia — guest capacity 3,274 12:00–23:00
- Norwegian Dawn — guest capacity 2,340 12:00–22:00
Record Ibiza on Fri 10 Sep 2027 is forecast Packed. 2 cruise ships scheduled, at least 5,614 guests at double occupancy; ships in port 12:00–23:00. Why: school holidays in Germany. Nearest calmer day: Thu 9 Sep (Busy). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/ibiza/#d-2027-09-10 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sat 11 Sep Busy busier than 65% of days here · Spain public holiday
Record Ibiza on Sat 11 Sep 2027 is forecast Busy. Why: Spain public holiday; Germany school holidays. Nearest calmer day: Sun 12 Sep (Lively). The day in full, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/ibiza/#d-2027-09-11 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sun 12 Sep Lively busier than 59% of days here · Germany school holidays
Record Ibiza on Sun 12 Sep 2027 is forecast Lively. Why: school holidays in Germany. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/ibiza/#d-2027-09-12 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Mon 13 Sep Lively busier than 59% of days here · Germany school holidays
Record Ibiza on Mon 13 Sep 2027 is forecast Lively. Why: school holidays in Germany. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/ibiza/#d-2027-09-13 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Tue 14 Sep Packed busier than 90% of days here · ⚓1
- Costa Toscana — guest capacity 5,322
Record Ibiza on Tue 14 Sep 2027 is forecast Packed. 1 cruise ship scheduled, at least 5,322 guests at double occupancy. Nearest calmer day: Mon 13 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/ibiza/#d-2027-09-14 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Wed 15 Sep Busy busier than 79% of days here · ⚓1 · Spain public holiday
- MSC Musica — guest capacity 2,550 12:00–23:00
Record Ibiza on Wed 15 Sep 2027 is forecast Busy. 1 cruise ship scheduled, at least 2,550 guests at double occupancy; ships in port 12:00–23:00. Why: Spain public holiday. Nearest calmer day: Mon 13 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/ibiza/#d-2027-09-15 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Thu 16 Sep Packed busier than 98% of days here · ⚓2
- AIDAcosma — guest capacity 5,400 12:00–19:00
- Costa Fascinosa — guest capacity 3,014 12:00–16:00
Record Ibiza on Thu 16 Sep 2027 is forecast Packed. 2 cruise ships scheduled, at least 8,414 guests at double occupancy; ships in port 12:00–19:00. Nearest calmer day: Wed 15 Sep (Busy). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/ibiza/#d-2027-09-16 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Fri 17 Sep Busy busier than 80% of days here · ⚓1
- MSC Fantasia — guest capacity 3,274 12:00–23:00
Record Ibiza on Fri 17 Sep 2027 is forecast Busy. 1 cruise ship scheduled, at least 3,274 guests at double occupancy; ships in port 12:00–23:00. Nearest calmer day: Sat 18 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/ibiza/#d-2027-09-17 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sat 18 Sep Lively busier than 59% of days here
Record Ibiza on Sat 18 Sep 2027 is forecast Lively. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/ibiza/#d-2027-09-18 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sun 19 Sep Lively busier than 59% of days here
Record Ibiza on Sun 19 Sep 2027 is forecast Lively. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/ibiza/#d-2027-09-19 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Mon 20 Sep Lively busier than 64% of days here · Germany public holiday
Record Ibiza on Mon 20 Sep 2027 is forecast Lively. Why: Germany public holiday. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/ibiza/#d-2027-09-20 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Tue 21 Sep Packed busier than 90% of days here · ⚓1
- Costa Toscana — guest capacity 5,322
Record Ibiza on Tue 21 Sep 2027 is forecast Packed. 1 cruise ship scheduled, at least 5,322 guests at double occupancy. Nearest calmer day: Mon 20 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/ibiza/#d-2027-09-21 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Wed 22 Sep Packed busier than 92% of days here · ⚓2
- Costa Serena — guest capacity 3,014 13:00–23:00
- MSC Musica — guest capacity 2,550 12:00–23:00
Record Ibiza on Wed 22 Sep 2027 is forecast Packed. 2 cruise ships scheduled, at least 5,564 guests at double occupancy; ships in port 12:00–23:00. Nearest calmer day: Thu 23 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/ibiza/#d-2027-09-22 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Thu 23 Sep Lively busier than 59% of days here
Record Ibiza on Thu 23 Sep 2027 is forecast Lively. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/ibiza/#d-2027-09-23 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Fri 24 Sep Packed busier than 98% of days here · ⚓3
- MSC Fantasia — guest capacity 3,274 12:00–23:00
- Norwegian Dawn — guest capacity 2,340 12:00–22:00
- Resilient Lady — guest capacity 2,770 19:00–17:00
Record Ibiza on Fri 24 Sep 2027 is forecast Packed. 3 cruise ships scheduled, at least 8,384 guests at double occupancy; ships in port 12:00–23:00. Nearest calmer day: Thu 23 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/ibiza/#d-2027-09-24 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sat 25 Sep Lively busier than 59% of days here
Record Ibiza on Sat 25 Sep 2027 is forecast Lively. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/ibiza/#d-2027-09-25 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sun 26 Sep Lively busier than 59% of days here
Record Ibiza on Sun 26 Sep 2027 is forecast Lively. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/ibiza/#d-2027-09-26 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Mon 27 Sep Busy busier than 84% of days here · ⚓1
- Sun Princess — guest capacity 4,300 12:00–22:00
Record Ibiza on Mon 27 Sep 2027 is forecast Busy. 1 cruise ship scheduled, at least 4,300 guests at double occupancy; ships in port 12:00–22:00. Nearest calmer day: Sun 26 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/ibiza/#d-2027-09-27 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Tue 28 Sep Packed busier than 90% of days here · ⚓1
- Costa Toscana — guest capacity 5,322
Record Ibiza on Tue 28 Sep 2027 is forecast Packed. 1 cruise ship scheduled, at least 5,322 guests at double occupancy. Nearest calmer day: Mon 27 Sep (Busy). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/ibiza/#d-2027-09-28 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Wed 29 Sep Busy busier than 76% of days here · ⚓1
- MSC Musica — guest capacity 2,550 12:00–23:00
Record Ibiza on Wed 29 Sep 2027 is forecast Busy. 1 cruise ship scheduled, at least 2,550 guests at double occupancy; ships in port 12:00–23:00. Nearest calmer day: Thu 30 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/ibiza/#d-2027-09-29 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Thu 30 Sep Lively busier than 59% of days here
Record Ibiza on Thu 30 Sep 2027 is forecast Lively. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/ibiza/#d-2027-09-30 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Which week of September is quietest in Ibiza?
Mid September is the month's quietest stretch in Ibiza — the typical day at 64%, against 80% in early September.
Can't move the dates? How to avoid the worst crowds
- Need flexibility? The 18th–20th 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.
Travelling on a busy day?
Timed-entry and skip-the-line tickets turn queue time into sightseeing time — sort them before you fly.
September weather in Ibiza
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.
Worth booking the marquee sights ahead for the busy days, but you can keep the rest of the trip flexible.
More about Ibiza in September
Based on: Spain's public holidays · school vacations across Germany and the Netherlands · the season pattern from official overnight stays · five years of weather records (2019–2023) · confirmed event dates · the published cruise schedule
Every figure is recomputed nightly from real cruise schedules, public and school holidays, and long-run climate normals. Gaps are shown, not filled.
