There is a moment every September when Ibiza quietly changes gear, and this is the week it happens. The sea is still warm enough to swim in at eight in the evening, the boats are still going out to Formentera every half hour, but something else has started underneath all that: the island has begun programming for itself again. Look at what is on between Sunday 13 and Saturday 19 September 2026 and you will find a Chekhov adaptation in a small municipal theatre, two lectures on what the Phoenicians ate, a premiere of an Ibizan poem set to music, a German contemporary dance company, and an entire free day out in Santa Eulària. Almost none of it costs anything. Almost all of it is in a room with a roof.
This is the best and least-known thing about Ibiza events in September: the cultural calendar wakes up exactly as the summer one winds down. Here is what is worth your evening this week.
A free day out in Santa Eulària (Thursday 17)
Santa Eulària des Riu marks its Día del Turista on Thursday 17 September with eleven free activities spread across the town, Cala Llonga and Es Canar. It is the single best-value day on the island this week and it is genuinely open to everyone, residents included.
The programme starts at 10:00 and covers a lot of ground: a guided walk along the river up to the Puig de Missa, the fortified sixteenth-century church on the hill, taking in the Can Planetes mill and the Sala Barrau along the way; an electric-bike route out of Cala Llonga; and kayaking and paddle sessions on the water. If you have been on the island a while and have never actually climbed Puig de Missa with someone explaining what you are looking at, this is your excuse. Places on the guided activities are limited, so check the Ajuntament's listings in the days before and turn up early rather than on time.
Chekhov, contemporary dance and a magician
Ibiza Town's Can Ventosa is the quiet engine of the island's theatre season, and it is running hard this week. On Monday 15 and Tuesday 16 September, the Sala Petita hosts El Canto del Cisne, Anton Chekhov's one-act piece about an old actor alone in an empty theatre after the audience has gone home, adapted by Maruxa Martos and performed by the company De Teatro Y. There are two showings each night, at 20:00 and 21:30, and entry is free. It is a small, sad, funny play, and staging it in the last fortnight of the season is either a coincidence or a very good joke.
On Friday 18 the same building shifts register entirely with the German company Of Curious Nature, who bring a double bill of contemporary dance: Skin Deep, choreographed by Helge Letonja, which treats the skin as the surface that both connects us to the world and isolates us from it, and A Thousand Steps to Silence. Tickets from €15, 20:30.
If you want something lighter, the magician Peio Rivas performs Déjà Vu at the Palau de Congressos on Friday 18 and Saturday 19, free entry, built around the strange moments when you cannot tell whether you are living something or remembering it. Take teenagers; take sceptics.
What the Phoenicians ate, and what is lying under the sea
Two archaeology strands run in parallel this week, and both are free.
At the Puig des Molins necropolis museum, Carlos Gómez Bellard — professor of archaeology at the Universitat de València — gives two lectures on Wednesday 16 and Thursday 17 September on food in the Phoenician-Punic world, starting at 19:00. Ibiza was a serious Punic settlement for centuries and Puig des Molins is one of the best-preserved Phoenician burial grounds in the Mediterranean, so hearing this particular subject in this particular building is a rare thing. It is in Spanish, but the material is visual and the museum itself is worth the trip regardless.
Then on Friday 18 at 18:00, the Teatro España in Santa Eulària hosts Dr Marcus H. Hermanns, an underwater archaeologist, on the relationship between natural and submerged cultural heritage — essentially, how the posidonia meadows and the wrecks and anchorages beneath them protect each other. Free, but capacity is limited and they mean it.
The island in its own words
This week is also Units pel nostre parlar, the island's language week, and its centrepiece is worth crossing the island for. On Wednesday 16 September at 20:45, the Centre de Cultura Can Jeroni in Sant Josep premieres Marià Villangómez's poem Ball Pagès set to music by the Basque composer Josu Elberdin, alongside the video clip Moll vell de Portmany. Villangómez is the island's great twentieth-century poet and the ball pagès is its oldest surviving dance; hearing the two brought together in a new choral setting is the kind of event that simply does not happen in August.
The night before, on Tuesday 15 at 19:00, Susana Cardona Torres gives a talk at the Sant Josep library on the jewellery of the Ibizan pagesia — the emprendada, the heavy layered gold and coral worn with the traditional dress, and the customs that governed who wore what and when. Free, and a useful companion piece if you have ever looked at a ball pagès costume and wondered what all that metal signifies.
Vinyl on Sunday, candles on Monday
If you are reading this on the weekend, two things are still in play. The ninth Feria del Disco de Ibiza runs its second day on Sunday 13 September on the Passeig de ses Fonts in Sant Antoni, 10:00 to 21:00 non-stop, sharing the promenade with the 31st Feria de Stocks — vinyl, CDs, posters and DJ sets on one side, end-of-season bargains from Sant Antoni's shops on the other. Both free to wander.
Sunday also closes the Nits al Baluard series with a free concert at the Baluard de Sant Pere in Dalt Vila at 21:00, a programme moving between Korean and Spanish musical traditions with Eun Ae Lee and David Alegre. Playing inside the old bastion walls with the sea below is as good as free music gets here.
And on Monday 14 at 20:00, Eivissa Daurada returns to 528 Ibiza for a candlelit concert produced by Eivissa Escènica — live music outdoors, by candle, as a deliberate farewell to summer. Free, and it fills up.
Practical notes
Most of these events are free but capacity-limited, and "free" on this island usually means "arrive thirty minutes early". Bring a layer: mid-September evenings inland drop to around 18°C once the sun goes, and Can Ventosa and the museum halls are air-conditioned. Buses between Ibiza Town, Sant Antoni and Santa Eulària run reliably until roughly 23:00 this month but thin out fast after that, so if you are heading to Sant Josep or Can Jeroni without a car, plan the return leg before you go.
Most of the talks and theatre are in Spanish or Catalan. Don't let that put you off the music, dance and archaeology — and if you want a head start on the place names, the local language is its own thing and worth ten minutes of reading before you go.
Full listings for every event this week, updated daily, are on the ibiza-calendar.com events page.
