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Things to do in Siena, September 2026

Browse 1 upcoming events and things to do in Siena during September 2026. Venues include Sala Verdi Palazzo Chigi Saracini. Highlights include Chigiana-Mozarteum Baroque Masterclasses. Each listing links to tickets, venue details and practical visitor info.

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August 2026
A cultural venue set for a performance or exhibition.

Chigiana-Mozarteum Baroque Masterclasses

Siena · Sala Verdi Palazzo Chigi SaraciniTue, Sep 1Culture & Art

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🎟️ From €7

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Back to culture

September is when indoor culture typically returns in force — theatre, gallery and concert seasons reopen alongside the last open-air events of the year.

  • Look for season-opening concerts, theatre premieres and gallery shows
  • Catch harvest festivals and the last open-air markets before autumn
  • Book ahead for autumn arts and film festivals that often launch this month