LOUISIANA SHRIMP AND PETROLEUM FESTIVAL: 11 a.m. to 11 p.m. Friday; 9 a.m. to 11 p.m. Saturday and Sunday; and 9 a.m. to 9 p.m. Monday. 715 Second St., Morgan City. Featuring music, food, arts and crafts, and rides. Free.
SOUTHERN DECADENCE: Various times and venues in the French Quarter of New Orleans. An annual celebration, featuring dance parties, an outdoor concert on Saturday and walking parade on Sunday. Weekend passes are $70. VIP weekend passes are $110. southerndecadence.net.
SEPTEMBER ARTS MARKET: 8 a.m. to noon, Fifth and Main streets, downtown Baton Rouge. A monthly open air market held in conjunction with the weekly Red Stick Farmer's Market, featuring a variety of handmade arts. artsbr.org.
CREOLE RENAISSANCE FESTIVAL: 2 p.m., Rayne Civic Center, 300 Frog Festival Drive, Rayne. Celebrating Creole food and culture, with musical performances and a cooking demonstration. $5 for kids under 12, $15 for adults online. creolerenaissance.com, (337) 205-3248.
LABOR DAY COMEDY/SOUL FEST: 7 p.m. to 11 p.m., UNO Lakefront Arena, 6801 Franklin Ave., New Orleans. Featuring performances from Anthony Hamilton and comedian Michael Blackson. $59-$90. ticketmaster.com.
PAZ FEST IV: A NEW ORLEANS TRIBUTE TO JONI MITCHELL: 7 p.m. to 11 p.m., Civic Theatre, 510 O'Keefe Ave., New Orleans. An all-star concert benefiting The Ruth Paz Pediatric Surgery and Burn Hospital in San Pedro Sula, Honduras. Doors open at 6:30 p.m. All ages. $25. civicnola.com.