San Francisco event
San Francisco’s Final Day of Summer 2026 (Sept. 22)
Free
Community
September
22
About
About this event
Get ready to say goodbye to summer. Tuesday, September 22, 2026, marks the Autumnal Equinox, when summer officially gives way to fall in the Northern Hemisphere. The equinox arrives in San more...
Provenance
Source listings
These are the original listings merged into this event.