All Closures and Refurbishments at Disneyland during September of 2015 and 2021

September 2015

Early 2015 - Oct. 02Pacific Wharf : Disney California AdventureBlue Sky Cellar closed indefinitely
January 2015 - N/AHollywood Land : Disney California AdventureMuppet*Vision 3D closed indefinitely. The theater has been renamed the Sunset Showcase. From July 1- August 14 the theater will host a preview of Pete's Dragon.
Early 2015 - Mar. 07Cars Land : Disney California AdventureLuigi's Flying Tires Will be replaced by Luigi's Rollickin' Roadsters. Scheduled to open 3/7/16.
Feb. 15 - Mar. 15Grizzly Peak : Disney California AdventureGrizzly River Run Closed for refurbishment.
Apr. 01 - 2016Tomorrowland : Disneyland ParkInnoventions

September 2021

Mar. 14, 2020 - TBDDisneyland Park : Disneyland ResortFinding Nemo Submarine Voyage Finding Nemo Submarine Voyage will close for refurbishment beginning March 14th, 2021. A reopening date has not yet been announced.
Sept. 9 - Nov. 5Disneyland Park : Disneyland ResortBig Thunder Mountain Railroad Big Thunder Mountain Railroad will close for refurbishment from September 9th through November 5th, 2021.