The following is a list of deaths that should be noted in September 2021. For deaths that should be noted before the month that the world is in, please see "Months". Names under each date are noted in the order of the alphabet by last name or pseudonym. Deaths of non-humans are noted here also if it is worth noting.
Each listing of a death must have a source. If no reference is included, the death notice will be removed. The following are the requirements of adding a name to the list in its order: name, age, where they came from, what the person is known for, cause of death (if known) and a source.
September
1
Amanda Bayard, 39, American television producer (Last Week Tonight with John Oliver). Jean-Denis Bredin, 92, French lawyer, founder of Bredin Prat and member of the Académie Française (since 1989). Anna Cataldi, 81, Italian journalist, movie producer (Out of Africa) and humanitarian. Paul Chillan, 85, French footballer (Nîmes, Arlésien, national team). Daffney, 46, American professional wrestler (TNA, SHINE, WCW) and actress, suicide by gunshot. Robbie Dale, 81, British radio presenter (Radio Caroline). Carol Fran, 87, American soul blues singer-songwriter and pianist, problems caused by COVID-19. Syed Ali Shah Geelani, 91, Indian Kashmiri separatist leader and politician, Jammu and Kashmir MLA (1972–1982, 1987–1990), pneumonia caused by kidney cancer. Doug Green, 66, American politician, member of the Ohio House of Representatives (2013–2020), COVID-19. José Gonçalves Heleno, 93, Brazilian Roman Catholic prelate, Coadjutor Bishop (1976–1977) and Bishop of Governador Valadares (1977–2001), problems caused by a stroke. Norbert Klein, 65, Dutch politician, member of the House of Representatives (2012–2017). Gregg Leakes, 66, American reality television personality (The Real Housewives of Atlanta, I Dream of NeNe: The Wedding), colon cancer. Norberto Mario Oyarbide, 70, Argentine politician and lawyer, Federal Judge of the Supreme Court (1994–2016), problems caused by COVID-19. Juan Rodríguez Vega, 77, Chilean footballer (Unión Española, Atlético Español, national team). Leopoldo Serantes, 59, Filipino boxer, Olympic bronze medalist (1988), problems caused by COPD. Dan Swecker, 74, American politician, member of the Washington State Senate (1995–2013), pneumonia caused by COVID-19.
2
Derek Bailey, 48, American tribal leader, politician and convicted sex offender, Chairman of the Grand Traverse Band of Ottawa and Chippewa Indians (2008–2012), heart attack. Michel Corboz, 87, Swiss conductor. Manuel Soares Costa, 88, Portuguese academic and politician, Minister of Agriculture (1983–1984). Alemayehu Eshete, 80, Ethiopian jazz singer ("The Rough Guide to the Music of Ethiopia", "Éthiopiques"), heart attack caused by heart disease. Aydin Ibrahimov, 82, Azerbaijani wrestler, Olympic bronze medalist (1964), COVID-19. Gurbanmuhammet Kasymow, 67, Turkmen politician and lawyer, Minister of Internal Affairs (1993–1998), Defense (1998–1999) and Justice (1999–2001), problems caused by COVID-19. George Mawle, American video game developer (God of War). Keith McCants, 53, American football player (Alabama Crimson Tide, Tampa Bay Buccaneers, Houston Oilers) and radio broadcaster, drug overdose. Josephine Medina, 51, Filipino table tennis player, Paralympic bronze medalist (2016). Ataullah Mengal, 92, Pakistani politician, Chief Minister of Balochistan (1972–1973), cardiac arrest caused by heart disease. Chandan Mitra, 65, Indian journalist (The Pioneer) and politician, MP (2003–2016). David Patten, 47, American football player (New York Giants, New England Patriots, Washington Redskins), Super Bowl champion (2002, 2004, 2005), motorcycle crash. Sidharth Shukla, 40, Indian actor (Broken But Beautiful, Balika Vadhu, Dil Se Dil Tak) and reality show contestant, heart attack. Hashibur Rahman Swapon, 67, Pakistani-born Bangladeshi politician, MP (1996–1998, since 2014), problems caused by COVID-19. Mikis Theodorakis, 96, Greek composer ("Mauthausen Trilogy", Zorba the Greek, Z), activist and politician, MP (1981–1993), cardiac arrest. Frederick L. Van Sickle, 78, American politician and lawyer, member (since 1991) and Chief Judge of the U.S. District Court for the Eastern District of Washington (2000–2005). Joan Washington, 71, British dialect coach (The Life Aquatic with Steve Zissou, Crimson Peak, 101 Dalmatians), lung cancer.