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Book Siena tickets in September 2026

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All things to do in Siena in September 2026

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Iconic landmarks, museums and galleries — book entry tickets in advance to skip the line where supported.

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Guided walking tours, hop-on-hop-off buses and small-group experiences led by local guides.

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Siena · September 2026

Siena in September 2026

The sweet spot — warm enough for walking tours, quiet enough to get good seats. West End autumn programming launches. 29 experiences in Siena are confirmed bookable in September 2026 — book ahead for the best seats at West End theatre shows and flagship attractions.

Top picks for September 2026: Siena Cathedral & Piccolomini Library Tickets with Audio Guide, Siena Cathedral Complex OPA SI Pass with Audio Guide, and Siena Pasta and Tiramisu Cooking Class.

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Siena Cathedral & Piccolomini Library Tickets with Audio Guide, Siena Cathedral Complex OPA SI Pass with Audio Guide, and Siena Pasta and Tiramisu Cooking Class lead the line-up. 29 experiences in total across West End theatre, attractions, tours and Thames cruises.

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