October

October is the tenth month of the year. It is the second month of fall in the northern hemisphere, in which both the grass and trees deteriorate from green to yellow, with more critters leaving after this month. It is also the second month of spring in the southern hemisphere, in which the first few days of October has every hardwood tree transform their leaves into, eventually shattering around October 7.

Halloween is a notable event in the this month, although this holiday is not in. October 31 is the only opportunity each year to see Jack. Candy is sold throughout the month in preparation for Halloween.

Fish

 * Fish/Doubutsu no Mori/October
 * Fish/Animal Crossing/October
 * Fish/Doubutsu no Mori e+/October
 * Fish/Wild World/October
 * Fish/City Folk/October
 * Fish/New Leaf/October
 * Fish/New Horizons/October

Bugs

 * Bugs/Doubutsu no Mori/October
 * Bugs/Animal Crossing/October
 * Bugs/Doubutsu no Mori e+/October
 * Bugs/Wild World/October
 * Bugs/City Folk/October
 * Bugs/New Leaf/October
 * Bugs/New Horizons/October

Sea creatures

 * Sea creatures/New Leaf/October
 * Sea creatures/New Horizons/October

Names in other languages
Asian languages using numbers instead of month's name.