September

September is the ninth month of the year. It is the first month of fall in the northern hemisphere and the first month of spring in the southern hemisphere. In the northern hemisphere, the amount of bugs, fishes, and sea creatures decline, and (with the exception of ) more leave halfway through the month. In the southern hemisphere, the grass gradually changes from light-brown to green, with trees following suit and moving towards a lighter-shade of green.

Fish

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

Bugs

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

Sea creatures

 * Sea creatures/New Leaf/September
 * Sea creatures/New Horizons/September

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