- Sep 1 28th US Postmaster General: Marshall Jewell of Connecticut takes office
- Sep 1 Sydney General Post Office opens in Australia
- Sep 3 The congress of the state of México elevates Naucalpan to the category of Villa, with the title of "Villa de Juárez".
- Sep 12 1874 The District of Maple Ridge, British Columbia, Canada is founded.
- Sep 26 1st Grand International Rifle match held