September 2019 was a pretty average month on Amazon Merch, I had a total of six sales with these products:

Himmi Herrgott Zeffix bayerisches Schimpfwort T-Shirt

Himmi Herrgott Zeffix bayerisches Schimpfwort T-Shirt

Womens Pink LOVE minimalistic Typography Pocket Design V-Neck T-Shirt

Womens Pink LOVE minimalistic Typography Pocket Design V-Neck T-Shirt

#FridaysForFuture FFF T-Shirt with black Hashtag

#FridaysForFuture FFF T-Shirt with black Hashtag

Coffee Everyone Shut Up Japanese Haiku minimalist Typography Long Sleeve T-Shirt

Coffee Everyone Shut Up Japanese Haiku minimalist Typography Long Sleeve T-Shirt

Coffee Everyone Shut Up Japanese Haiku minimalist Typography Tank Top

Coffee Everyone Shut Up Japanese Haiku minimalist Typography Tank Top

Is September International Typography T-Shirt Month or am I the only one seeing a pattern here?