- Sep 13 Kartini, Indonesian activist for women's rights and national heroine, dies at 25
- Sep 18 Herbert von Bismarck, German politician, son of Otto, dies at 54
- Sep 21 Chief Joseph [In-mut-too-yah-lat-lat], Native American Nez Perces chief, who tried to led his people to Canada, dies
- Sep 24 Niels Ryberg Finsen, Danish physician and phototherapist (Nobel 1903), dies at 43
- Sep 26 John F. Stairs, Canadian businessman and statesman (b. 1848)
- Sep 26 Lafcadio Hearn, American author (Glimpses of Unfamiliar Japan), dies at 54
- Sep 30 Sigurd Lie, Norwegian composer and conductor, dies of tuberculosis at 33