5 things to do in Rialto, CA — Tuesday, September 1, 2026

Picked each day from verified Rialto-area event calendars. Every listing links back to the organizer.

This story was assembled using AI and public data sources.

1. Friends of the Library Book Sale

   Community at Rialto Branch Library, starting 11 a.m.

   Friends of the Library Book Sale

   Details from the organizer

2. Toddler Boot Camp

   Community at Rialto Branch Library, starting 12 p.m.

   High-energy songs and movement for active toddlers.

   Details from the organizer

3. BRICreations

   Community at Rialto Branch Library, starting 3:30 p.m.

   Build LEGO projects individually or in groups.

   Details from the organizer