Events in San Antonio in September 2027
San Antonio 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.
San Antonio's September 2027 lineup is still being announced — planning leads below.
By TripSapien · Updated September 24, 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 San Antonio guideGoing to San Antonio 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 4 - Sep 6
San Japan 2027
A three-day anime convention held every Labor Day weekend in San Antonio, featuring cosplay, panels with voice actors, merchandise, and fan activities.
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.
- Labour Day · publicSep 6
- Long weekendSep 4–Sep 6
Holiday data: date-holidays (ISC/CC-BY-3.0).
Ready to plan San Antonio?
Turn these September events into a full San Antonio plan, every place checked for closures, limited hours, and booking needs on your dates.