All Events, Closures and Refurbishments at Disneyland Park or Downtown Disney in Disneyland during April, September, November and December of 2018

April 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.
Jan. 02 - Apr. 13Critter Country : Disneyland ParkSplash Mountain Closed for refurbishment
Jan. 08 - Apr. 26Fantasyland : Disneyland ParkDumbo the Flying Elephant Closed for refurbishment, including queue relocation and construction of a shade structure
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.
Apr. 16 - Apr. 19Fantasyland : Disneyland ParkMatterhorn Bobsleds Closed for refurbishment
Apr. 23 - Jun. 07New Orleans Square : Disneyland ParkPirates of the Caribbean Closed for refurbishment, including modifications to the auction scene replacing the sale of "brides" with valuables, with the "Red Head" as the auctioneer.

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.
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. 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. 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.

November 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.
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
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.
Nov. 12 - Nov. 16Frontierland : Disneyland ParkMark Twain Riverboat Closed for refurbishment.

December 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.
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