Fred Spofforth (1853-1926)
Sep 9 Australian cricket fast bowler ("The Demon" - 18 Tests, 94 wickets @ 18.41), born in Sydney, Australia
- Sep 13 Sophia Perovskaya, Soviet icon, aristocrat, and socialist revolutionary (Narodnaya Volya), who helped orchestrate the successful assassination of Alexander II of Russia, born in Saint Petersburg, Russian Empire (d. 1881)
- Sep 16 Albrecht Kossel, German physician (Nobel 1910), born in Rostock, Germany (d. 1927)
- Sep 17 Clemens Baeumker, German historian (Patristischen Philosophie), born in Paderborn, Germany (d. 1924)
- Sep 20 Rama V [Chulalongkorn], King of Thailand (1868-1910), born in Grand Palace, Bangkok, Siam (d. 1910)
- Sep 21 Heike Kamerlingh Onnes, Dutch physicist (liquid helium, Nobel 1913), born in Groningen, Netherlands (d. 1926)
- Sep 23 Marcel Planiol, French private law scholar
- Sep 29 Princess Thyra, daughter of Christian IX of Denmark (d. 1933)