Countries › Mexico › September 2025
Mexico: conflict events in September 2025
Monthly report from UCDP event data.
Mexico saw 315 recorded events and 331 estimated deaths in September 2025. That is +11% compared with 284 events the month before. The death toll range is 236 to 449.
98% of the month's events were non-state conflict. Civilian deaths: 8.
Events were concentrated in Sinaloa state (93), Guanajuato state (78), Baja California state (38).
The most active pairing was Jalisco Cartel New Generation - Santa Rosa de Lima Cartel with 78 events.
Where events happened
Regions, September 2025
| Region | Events | Est. deaths |
|---|---|---|
| Sinaloa state | 93 | 66 |
| Guanajuato state | 78 | 88 |
| Baja California state | 38 | 32 |
| Chihuahua state | 37 | 64 |
| Guerrero state | 30 | 33 |
| Michoacán state | 18 | 17 |
| Colima state | 8 | 9 |
| Tabasco state | 7 | 13 |
| Veracruz state | 2 | 3 |
| San Luis Potosí state | 1 | 2 |
Deadliest events, September 2025
| Date | Where | Parties | Est. deaths |
|---|---|---|---|
| 15 Sep 2025 | Guanajuato municipality Guanajuato state | Jalisco Cartel New Generation vs Santa Rosa de Lima Cartel Non-state | 17 |
| 16 Sep 2025 | Villagrán municipality Guanajuato state | Jalisco Cartel New Generation vs Santa Rosa de Lima Cartel Non-state | 11 |
| 20 Sep 2025 | Valle de Santiago municipality Guanajuato state | Jalisco Cartel New Generation vs Santa Rosa de Lima Cartel Non-state | 7 |
| 20 Sep 2025 | Valle de Santiago municipality Guanajuato state | Jalisco Cartel New Generation vs Santa Rosa de Lima Cartel Non-state | 7 |
| 16 Sep 2025 | Gran Morelos municipality Chihuahua state | Juarez Cartel vs Sinaloa Cartel Non-state | 6 |
| 22 Sep 2025 | Irapuato municipality Guanajuato state | Jalisco Cartel New Generation vs Santa Rosa de Lima Cartel Non-state, 2 sources | 5 |
| 10 Sep 2025 | Madera municipality Chihuahua state | Juarez Cartel vs Sinaloa Cartel Non-state | 5 |
| 4 Sep 2025 | Juárez municipality Chihuahua state | Juarez Cartel vs Sinaloa Cartel Non-state | 5 |
| 1 Sep 2025 | Playas de Rosarito municipality Baja California state | Jalisco Cartel New Generation, Sinaloa Cartel - Los Chapitos vs Sinaloa Cartel - Los Mayos Non-state | 5 |
| 18 Sep 2025 | Juárez municipality Chihuahua state | Juarez Cartel vs Sinaloa Cartel Non-state | 4 |
Parties
Type of violence
| Category | Events |
|---|---|
| State-based | 0 |
| Non-state | 310 |
| One-sided | 5 |
All months
Monthly reports:Jul 2026Jun 2026May 2026Apr 2026Mar 2026Feb 2026Jan 2026Dec 2025Nov 2025Oct 2025Sep 2025Aug 2025Jul 2025Jun 2025May 2025Apr 2025Mar 2025Feb 2025Jan 2025Dec 2024Nov 2024Oct 2024Sep 2024Aug 2024Jul 2024
Source: UCDP GED and Candidate Events, CC BY 4.0. Counts use the "best" fatality estimate. See methodology.