Events in Sofia in September 2027
Sofia event dates for September 2027 are still being announced. Start with the planning leads and the city guide below — the lineup firms up closer to September.
Sofia's September 2027 lineup is still being announced — planning leads below.
By TripSapien · Updated October 15, 2026
Sourced events
Dates for this month are still being announced. Start with the planning leads below, or build the rest of your visit from the city guide.
Open the Sofia guideGoing to Sofia in September?
Add your dates and we'll build the rest of your trip around these events — every place checked for closures and booking needs.
Planning leads
Early leads on events still lining up. Exact dates and details firm up closer to your trip.
- Sep 5 - Sep 12
Sofia Design Week 2027
A week-long event celebrating design, architecture, and creativity with exhibitions, workshops, and talks held in galleries and public spaces.
Planning lead · details firm up closer in · Source: festival research
- Sep 15 - Sep 19
Sofia Jazz Peak Festival
Annual jazz festival featuring local and international jazz musicians performing in various venues across Sofia.
Planning lead · details firm up closer in · Source: festival research
- Sep 18 - Sep 19
European Heritage Days - Sofia
Part of the Europe-wide initiative, Sofia opens many historical and cultural sites to the public with special tours and events.
Planning lead · details firm up closer in · Source: festival research
Holidays, observances & long weekends
Holiday and observance schedules can affect services and venue hours; confirm each place directly.
- Unification Day · publicSep 6
- Independence Day · publicSep 22
- Long weekendSep 4–Sep 6
Holiday data: date-holidays (ISC/CC-BY-3.0).
Ready to plan Sofia?
Turn these September events into a full Sofia plan, every place checked for closures, limited hours, and booking needs on your dates.