What to expect in Animal Crossing in September 2026

We’re already going into autumn now, crazy! Here’s your latest Monthly Overview for September 2026.

Again, some content is adapted from Nookipedia under CC BY-SA 4.0.

Each week in overview

Here’s what’s happening in each week of September! (note to self: alt text pending)

Weekly Outlook: Mon Aug 31 to Sun Sep 6 2026 Birthdays: Mon (Audie), Tue (Violet), Wed (Flo), Thu (Spork and Maggie), Fri (Cally), Sat (Greta), Sun (Cesar and Giovanni) Events: Weeding Day (Thu in NL (Japan), Flea Market (Sat in Wild World) This post uses content from Nookipedia, which is licensed under https://creativecommons.org/licenses/by-sa/4.0/.
Weekly Outlook: Mon Sep 7 to Sun Sep 13 2026 Birthdays: Mon (Tucker & Celeste), Tue (Astrid), Wed (Pinky), Thu (Pecan), Fri (Peewee & Ione), Sat (Boone & Lottie), Sun (Moose) Events: Labour Day (Mon, US/AU/JP in AC/e+ & US in LGTTC/NL), La-Di-Day (Sat in Wild World) This post uses content from Nookipedia, which is licensed under https://creativecommons.org/licenses/by-sa/4.0/.
Weekly Outlook: Mon Sep 14 to Sun Sep 20 2026 Birthdays: Mon (Nindori & Ricky), Tue (Tutu), Wed (Ed), Thu (Whitney), Fri (Bubbles), Sat (Fuchsia), Sun (Octavian & Norma) Events: Bug Off (Sat in LGTTC/NL & Sun in WW) This post uses content from Nookipedia, which is licensed under https://creativecommons.org/licenses/by-sa/4.0/.
Weekly Outlook: Mon Sep 21 to Sun Sep 27 2026 Birthdays: Mon (Henry), Tue (Ankha), Wed (Cranston), Thu (Apple & Blathers), Fri (Mitzi), Sat (Teddy & Leilani), Sun (Beardo) Events: Sports Fair (Wed in AC/e+), Bug Off (Sat in NH in Northern Hemisphere), Flea Market (Sun in LGTTC), Yay Day (Sun in WW) This post uses content from Nookipedia, which is licensed under https://creativecommons.org/licenses/by-sa/4.0/.
Weekly Outlook: Mon Sep 28 to Sun Oct 4 2026 Birthdays: Mon (Kody), Tue (Marshal), Wed (Monique), Thu (Boyd & Raymond), Fri (Diva & Orville), Sat (Big Top), Sun (Goose) Events: Flea Market (Sat in Wild World) This post uses content from Nookipedia, which is licensed under https://creativecommons.org/licenses/by-sa/4.0/.

Nook Shopping

Here’s all the Nook Shopping events taking place in September:

  • Grape Harvest Festival takes place from September 1st to 30th
  • Moon Viewing Day takes place from September 16th to 25th
  • Chuseok takes place from September 16th to 25th

Bugs, creatures & fish

Bugs

  • Common butterfly, yellow butterfly, monarch butterfly, cricket, bell cricket, red dragonfly, violin beetle, pill bug and centipede are new in September in Northern Hemisphere islands
  • Tiger butterfly, emperor butterfly, agrias butterfly, Rajah Brooke’s birdwing, Queen Alexandra’s birdwing, atlas moth, Madagascan sunset moth, grasshopper, walker cicada, pondskater, diving beetle, giant water bug, rosalia batesi beetle, earth-boring dung beetle, goliath beetle, rainbow stag, walking leaf and mosquito leave after September in Northern Hemisphere islands
  • Yellow butterfly, tiger butterfly, peacock butterfly, mantis, orchid mantis, honeybee, stinkbug, man-faced stinkbug and ladybug are new in September in Southern Hemisphere islands
  • Emperor butterfly leaves after September in Southern Hemisphere islands

Creatures

  • Oyster, turban shell, chambered nautilus, umbrella octopus and sweet shrimp are new in September in Northern Hemisphere islands
  • Sea grapes, sea urchin, slate pencil urchin, moon jellyfish, gigas giant clam, tiger prawn, horseshoe crab and flatworm are leaving after September in Northern Hemisphere islands
  • Turban shell, chambered nautilus, umbrella octopus, firefly squid and spider crab are new in September in Southern Hemisphere islands
  • Red king crab is leaving after September in Southern Hemisphere islands

Fish

  • Pike, cherry salmon, char, golden trout, salmon, king salmon, mitten crab and sturgeon are new in September in Northern Hemisphere islands
  • Crawfish, soft-shelled turtle, sweetfish, salmon, king salmon, nibble fish, piranha, arowana, dorado, gar, arapaima, saddled bichir, clown fish, surgeonfish, butterfly fish, puffer fish, blue marlin, ocean sunfish, saw shark, hammerhead shark, great white shark, whale shark and suckerfish are leaving after September in Northern Hemisphere islands
  • Tadpole, loach, cherry salmon, char, golden trout and barred knifejaw are new in September in Southern Hemisphere islands
  • Bitterling, yellow perch, stringfish, sturgeon, sea butterfly and football fish are leaving after September in Southern Hemisphere islands

Well, that is another Monthly Overview covered. Hope you enjoyed reading this one.

In case you’re unaware, our reporting has been slightly impacted across Crossing Corner and Splatoon Unofficial due to the Nitter cease and desists. I don’t have a Twitter account and don’t intend to have one, which means that the quality of stuff may be worse and more stuff may get missed. Thank you for all continuing to support the work here.

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