All Events, Closures and Refurbishments at Disney California Adventure, Disneyland Park, Downtown Disney or Tomorrowland in Disneyland during September of 2017, 2018 and 2020

September 2017

Feb. 24 - End date not yet announcedFantasyland : Disneyland ParkRed Rose Taverne For a limited time, the Village Haus Restaurant in Fantasyland has been transformed into the Red Rose Taverne, with a menu and decor inspired by the new live action Beauty and the Beast movie.
May. 27 - Sep. 10Disney California Adventure : Disneyland ResortSummer of Heroes Limited time offerings from May 27-September 10 include: Avengers Training Initiative - young recruits assemble with Black Widow and Hawkeye; Black Widow Encounter; Special themed merchandise and food in Hollywood Land
Aug. 2015 - May. 31Disneyland Park : Disneyland ResortStar Wars: Galaxy's Edge The 14-acre Star Wars-themed land that was announced during the 2015 D23 EXPO opens at Disneyland on May 31.
Aug. 21 - Sep. 09Main Street, U.S.A. : Disneyland ParkLittle Red Wagon Closed for Refurbishment
Aug. 21 - Sep. 14Tomorrowland : Disneyland ParkSpace Mountain Closed for refurbishment and installation of Ghost Galaxy overlay.
Aug. 21 - Dec. 20Pixar Pier : Disney California AdventureGoofy's Sky School Closed for refurbishment
Aug. 28 - Sep. 14New Orleans Square : Disneyland ParkHaunted Mansion Closed for installation of holiday overlay.
Sep. 05 - Nov. 20Frontierland : Disneyland ParkRiver Belle Terrace Closed for refurbishment
Sep. 05 - Sep. 06Condor Flats : Disney California AdventureSoarin' Around the World Closed for refurbishment
Sep. 05 - Sep. 21Hollywood Land : Disney California AdventureMonsters, Inc., Mike and Sulley to the Rescue Closed for refurbishment
Sep. 11 - Sep. 13Main Street, U.S.A. : Disneyland ParkPlaza Inn Closed for refurbishment
Sep. 11 - Re-opening date not yet available.Condor Flats : Disney California AdventureSmokejumpers Grill Closed for refurbishment.
Sep. 15 - Nov. 02Pixar Pier : Disney California AdventurePlaza de la Familia - A Celebration of Disney*Pixar's 'Coco' Held in Paradise Gardens from September 15-November 2, Plaza de la Familia will feature storytellers and original songs from "Coco" performed by dancers and musicians. Throughout the days guests can also enjoy Mariachi music, a photo location and a menu of Mexican foods.
Sep. 15 - Oct. 31Hollywood Land : Disney California AdventureGuardians of the Galaxy - Monsters After Dark During Halloween Time, each night starting at 6:00 and until park closing, the Guardians of the Galaxy - Mission: BREAKOUT! attraction becomes Guardians of the Galaxy - Monsters After Dark. The attraction features new visuals and a new song by Tyler Bates.
Sep. 18 - Sep. 22Tomorrowland : Disneyland ParkFinding Nemo Submarine Voyage Closed for refurbishment
Sep. 25 - Sep. 26Tomorrowland : Disneyland ParkBuzz Lightyear Astro Blasters Closed for refurbishment
Sep. 25 - Sep. 28Main Street, U.S.A. : Disneyland ParkMain Street Cinema Closed for refurbishment

September 2018

Aug. 2015 - May. 31Disneyland Park : Disneyland ResortStar Wars: Galaxy's Edge The 14-acre Star Wars-themed land that was announced during the 2015 D23 EXPO opens at Disneyland on May 31.
Early 2018 - Fall 2018Downtown Disney : Downtown DisneyWorld of Disney During the lengthy re-imagining project, half of the store is closed while the other half remains open to guests. The initial remodeling phase of the western half of the store is complete and it has re-opened. The eastern half is now closed.
Mar. 02 - Opening April, 2019.Pixar Pier : Disney California AdventureKing Triton's Carousel Closed for re-theming to Jessie's Critter Carousel as part of the Pixar Pier transformation. Jessie's Critter Carousel is cheduled to open in April, 2019.
Mar. 19 - Opening 2020a bug's land : Disney California AdventureIt's Tough to be a Bug Closed March 19, 2018, to be replaced by the new Marvel Super Heroes area, opening in 2020.
Mar. 20 - Opening 2020a bug's land : Disney California AdventureMarvel Super Heroes-Themed Land The Guardians of the Galaxy will be joined by Spider-Man and the Avengers in what will become a completely immersive Super Hero universe. This new land, opening in 2020, will be anchored by the Guardians of the Galaxy - Mission: BREAKOUT!, in the adjacent space that is currently occupied by "a bug's land." "It's Tough to Be a Bug" closed March 19; the rest of the land will close September 5.
Apr. 13 - Late 2018.Pixar Pier : Disney California AdventureWorld of Color Closed for refurbishment.
Apr. 13 - Feb. 21Pixar Pier : Disney California AdventureWorld of Color Closed since 2018 due to undisclosed problems.
May. 30 - No details availableDowntown Disney : Downtown DisneyDowntown Disney West End Closures The following Downtown Disney locations closed in preparation for the construction of a proposed new hotel which has since been canceled. No details on what might be going into the now available retail spaces.
 
AMC Theaters
ESPN Zone
Rainforest Cafe
Aug. 06 - Oct. 02Adventureland : Disneyland ParkEnchanted Tiki Room Closed for refurbishment.
Aug. 14 - Sep. 27Main Street, U.S.A. : Disneyland ParkMain Street Cinema Closed for refurbishment.
Aug. 20 - Sep. 06New Orleans Square : Disneyland ParkHaunted Mansion Closed for installation of holiday overlay.
Sep. 05 - Permanent Closurea bug's land : Disney California AdventureBug's Land Closure "A bug's land", including Flik's Fun Fair, will be closing permanently starting September 5. The area will be re-imagined as Marvel Super Heroes land, opening in 2020.
Sep. 06Tomorrowland : Disneyland ParkSpace Mountain Closed for installation of holiday overlay.
Sep. 07 - Fall 2018Disneyland Park : Disneyland ResortRemember...Dreams Come True Disneyland's 50th anniversary fireworks show returns for a limited time with performances on select nights starting 9/7/18.
Sep. 10 - Sep. 13Frontierland : Disneyland ParkSailing Ship Columbia Closed for refurbishment.
Sep. 10 - Sep. 16Pixar Pier : Disney California AdventureGolden Zephyr Closed for refurbishment.
Sep. 19 - Oct. 31Disneyland Park : Disneyland ResortMickey's Halloween Party Mickey's Halloween Party takes place at Disneyland on select nights in September and October. Entertainment includes trick-or-treating, special character greetings, the Frightfully Fun Parade led by the Headless Horseman, and the Halloween Screams fireworks show.
Sep. 24 - Sep. 28Frontierland : Disneyland ParkPirate's Lair on Tom Sawyer Island Closed for refurbishment.

September 2020

May. 30 - No details availableDowntown Disney : Downtown DisneyDowntown Disney West End Closures The following Downtown Disney locations closed in preparation for the construction of a proposed new hotel which has since been canceled. No details on what might be going into the now available retail spaces.
 
AMC Theaters
ESPN Zone
Rainforest Cafe
2019 - Early 2023Disneyland Park : Disneyland ResortMickey & Minnie's Runaway Railway (DLR) The first major Mickey-themed ride-through attraction, is coming to Disneyland’s Mickey’s Toontown in Early 2023 as part of the reimagination of Mickey’s Toontown. The ride will be housed in the El CapiTOON Theater, where Mickey and Minnie are premiering their newest short, Perfect Picnic.
March 14th, 2020 - July 25th, 2022Disneyland Park : Disneyland ResortFinding Nemo Submarine Voyage Finding Nemo Submarine Voyage closed for refurbishment on March 14th, 2020. It will reopen on July 25th, 2022.
Summer 2020Disney California Adventure : Disneyland ResortAvengers Campus Phase 1 Opens When you visit Avengers Campus you will become part of an interconnected story that includes California Adventure, Disneyland Paris, and Hong Kong Disneyland. On each campus the Avengers will be looking for and recruiting people to join them.