- Sep 1 Johannes Habert, composer, dies at 62
- Sep 2 Nat Thomson, Australian cricket all-rounder (2 Tests, 1st batsman dismissed in first Test match 1877), dies at 57
- Sep 11 Francis James Child, American ballad collector (b. 1825)
- Sep 16 Antônio Carlos Gomes, Brazilian opera composer, first from outside of Europe have a successful career in Italy, dies at 60
- Sep 18 Armand-Hippolyte-Louis Fizeau, French physicist, dies at 75
- Sep 20 Gottfried Conradi, Norwegian composer, dies at 76
- Sep 23 Gilbert Duprez, French composer, dies at 89
- Sep 23 Ivar A Aasen, Norwegian linguistic/poet, dies at 83
- Sep 24 Louis Gerhard De Geer, 1st Swedish Prime Minister (1876-80), dies at 78
- Sep 24 Percy McDonnell, Australian cricket batsman (19 Tests, 3 x 100s; Victoria CA, NSW CA, Queensland CA), dies of cardiac failure at 35
Assassination
Car Crash
Hanging
Killed in Action
Plane Crash
Poisoning