The 15th anniversary of the Sept, 11, 2001, terrorist attacks will be recognized during a number of memorial services and events held in Central Texas and throughout the nation this weekend. Here are eight events happening the Greater Austin area: Memorial service The Austin Firefighters Association and the Austin Fire Department host an annual memorial service Sunday at Buford Tower, 201 West Cesar Chavez St., Austin. The ceremony includes the Austin Firefighter honor guard and appearances by local and state representatives. The names of the 343 firefighters who died on Sept. 11, 2001, are read. 7:30 a.m. Sunday, www.iafflocal975.org, www.austintexas.gov/department/fire Firefighter climb Austin firefighters climb up and down the Pleasant Valley Drill Tower in full turnout gear, an air pack and a hose bundle until they have climbed approximately as many flights of stairs as the height of the World Trade Center. The climb is done in complete silence and takes about an hour. 9:30 a.m. Sunday, 517 S. Pleasant Valley Drive, Austin. www.iafflocal975.org Music at the Capitol The Emergency Services Pipes and Drums Association plays music in the Texas State Capitol rotunda. Noon Sunday, 1100 Congress Ave., Austin. www.espadatx.org 15th Annual 9/11 Memorial Nearly 200 business, community, government and law enforcement leaders are expected to attend the Greater Austin Crime Commission’s 9/11 memorial event, including Austin Police Chief Art Acevedo, Travis County Judge Sarah Eckhart, Hays County Sheriff Gary Cutler, Sunset Valley Police Chief Sean Ford, Westlake Hills Police Chief Scott Gerdes as well as elected state officials. Honoring Central Texas first responders, the event features speaker Lawrence Wright, the Pulitzer Prize-winning author of The Looming Tower: Al-Qaeda and the Road to 9/11. 8 a.m. Friday buffet, 8:30 a.m. Friday program. The Austin Club, Second Floor, 110 East Ninth St., Austin. www.austincrime.org San Marcos Fire Department memorial The San Marcos Fire Department hosts a remembrance ceremony in front of City Hall on Sunday. Mayor Daniel Guerrero kicks off the ceremony with a short address. The San Marcos Fire Department Honor Guard raises the United States flag that was flying over City Hall on the morning of Sept. 11, 2001. After the flag raising, attendees recite the pledge of allegiance and the San Marcos Fire Department Bagpipers perform. Flowers are provided for attendees to place on the 9/11 Flower Memorial. (Time TBA) Sept. 11, City Hall, 630 E. Hopkins St. 512-393-8000. 9/11 memorial ceremony and ride Kent Powersports of Austin, located in Kyle, hosts a small ceremony at 8 a.m. to remember those who were killed on 9/11. After the ceremony attendees can participate in a memorial ride. 8 a.m. Sunday, 21015 I-35, Kyle. 512-268-8609. www.kps-austin-honda.com City of Georgetown 2016 9/11 Stair Climb The event includes remarks from Fire Chief John Sullivan, an invocation from Georgetown Fire Department Lieutenant Brad Cox and music performed by the Georgetown Fire Department pipe band. 8 a.m.-10:30 a.m. Sunday, Georgetown ISD Athletic Complex, 2275 N. Austin Ave., Georgetown. www.georgetown.org Senior University Georgetown lecture Jeffrey Addicott, retired Lt. Colonel, U.S. Army, gives a lecture entitled Fifteenth Anniversary of 9/11: Where Are We in the War on Terror? 10 a.m. Saturday, Sun City Ballroom, 2 Texas Drive, Georgetown. 512-819-7680. 9/11 Memorial Stair Climb  The Bee Cave Police Department, Lakeway Police Department and Lake Travis Fire Rescue will climb the equivalent of the 110 stories of the World Trade Center at the Hill Country Galleria Parking Garage A. The public is invited to attend. Climb begins Sunday, 7:46 a.m., 12700 Hill Country Blvd., Bee Cave. www.hillcountrygalleria.com/event/911-memorial-stair-climb/2145477199/