Below is a visualization and description of some of the most significant incidents of political violence in Nigeria from September 21 to 27, 2019. This update also represents violence related to Boko Haram in Cameroon, Chad, and Niger. These incidents will be included in the Nigeria Security Tracker.
- September 21: Cultists killed four in Ikorodu, Lagos.
- September 21: Gunmen killed two in Obio/Akpor, Rivers.
- September 21: Gunmen kidnapped seven in Chikun, Kaduna.
- September 22: Suspected herdsmen killed two in Numan, Adamawa; one attacker was also killed.
- September 22: Herdsmen kidnapped fourteen in Obokun, Osun.
- September 22: The Nigerian Air Force killed the Boko Haram "occupants" (estimated at ten) of a camp in Damboa, Borno.
- September 22–23: A cult clash resulted in seven deaths in Etsako West, Edo.
- September 23: Gunmen kidnapped six in Chikun, Kaduna.
- September 23: Herdsmen killed three in Bassa, Plateau.
- September 24: Two were killed during a clash between customs officers and smugglers in Jibia, Katsina.
- September 24: Police killed two kidnappers in Alkaleri, Bauchi.
- September 24: Kidnappers killed one and abducted fourteen in Birnin-Gwari, Kaduna.
- September 24: Kidnappers killed eight in Kogi, Kogi.
- September 25: Boko Haram killed fourteen Nigerian soldiers in Gubio, Borno.
- September 25: The Nigerian Air Force killed "many" (estimated at twenty) Boko Haram militants in Ngala, Borno.
- September 26: Boko Haram killed seven and kidnapped ten in Biu, Borno.
- September 26: Boko Haram killed two in Mafa, Borno.
- September 26: Gunmen killed seven vigilantes and one policeman in Rafi, Niger.
- September 27: Two National Security and Civil Defense Corps (NSCDC) officers were kidnapped in Igueben, Edo.