State Fair of Texas The State Fair of Texas kicks off September 27, 2013 - October 20, 2013 for 24 days of celebrating The One & Only! Gates open on Friday, September 27, at 10 a.m. Midway hours and museum hours vary. Exhibit buildings open at 10 a.m. daily and close at 9 p.m. Sundays - Thursdays. B ...