- Sep 1 Dutch Railway Deventer-Almelo opens
Kodak Registered
Sep 4 George Eastman patents the first roll-film camera and registers the brand name "Kodak"
- Sep 6 Charles Turner becomes the first bowler to take 250 wickets in an English season - a feat since accomplished only by Tom Richardson (twice), J.T. Hearne, Wilfred Rhodes (twice) and Tich Freeman (six times).
Imperial British East Africa Company
Sep 6 Queen Victoria grants William Mackinnon's Imperial British East Africa Company political & commercial rights
Baby Incubator
Sep 7 Edith Eleanor McLean is 1st baby to be placed in an incubator at State Emigrant Hospital on Ward’s Island, New York
- Sep 8 In England the first six Football League matches ever are played
Chile Annexes Easter Island
Sep 9 Easter Island / Rapa Nui in the Pacific is annexed by Chile
- Sep 11 Death of the Argentine politician Domingo Sarmiento, after whom the Latin American Teacher's Day is chosen.
- Sep 19 One of first known modern beauty contests held in Spa, Belgium
- Sep 25 Royal Court Theatre, London, opens
- Sep 30 "Jack the Ripper" murders 2 more women, Liz Stride & Kate Eddowes, in Whitechapel, London