- Sep 6 Hsu Tsang-Houei, Taiwanese composer, born in Changhau, Taiwan (d. 2001)
- Sep 8 Christoph von Dohnányi, German conductor (Cleveland Orchestra, 1984-2002), born in Berlin, Germany
- Sep 9 Aleksei Maslennikov, Russian tenor (Bolshoi Theater, 1953-88), born in Novocherkassk, Russia (d. 2016)
- Sep 9 Claude Nougaro, French jazz singer and songwriter, born in Toulouse, France (d. 2004)
- Sep 10 Akio Yashiro, Japanese composer, born in Tokyo (d. 1976)
- Sep 12 Harvey Schmidt, American musical theatre composer (The Fantasticks; 110 In the Shade), and illustrator, born in Dallas, Texas (d. 2018)
- Sep 13 Nicolai Ghiaurov, Bulgarian operatic basso singer, born in Velingrad, Bulgaria (d. 2004)
- Sep 17 Vincent La Selva, American conductor (New York Grand Opera Company, 1973-2012), born in Cleveland, Ohio (d. 2017) [1]
- Sep 18 Louis Myers, American blues guitarist and harmonica player, born in Byhalia, Mississippi (d. 1994)
- Sep 22 Serge Garant, Canadian composer and conductor (Anerca), born in Québec City, Québec (d. 1986)
- Sep 23 Wally Whyton, English musician and broadcaster (BBC 2), born in London, England (d. 1997)
- Sep 24 Erik Lotichius, Dutch composer (Anaitalrax), born in Helden, Netherlands (d. 2015)
- Sep 28 Lata Mangeshkar, Indian playback singer, born in Indore, British India (d. 2022)
- Sep 29 Valentinas Bagdonas, Lithuanian composer (Symphony of Peace), born in Sriūbos, Lithuania (d. 2009)
About September 1929
How Old? 94 years old
Generation: Silent Generation
Leap Year: No
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