Countries › Syria › September 2025
Syria: conflict events in September 2025
Monthly report from UCDP event data.
In September 2025, UCDP recorded 22 organized-violence events in Syria, with 37 estimated deaths. That is about the same as the previous month (24). The death toll range is 33 to 37.
36% of the month's events were non-state conflict. Civilian deaths: 18.
Events were concentrated in Deir ez Zor governorate (6), Aleppo governorate (6), Homs governorate (3).
The most active pairing was IS - SDF with 8 events.
Where events happened
Regions, September 2025
| Region | Events | Est. deaths |
|---|---|---|
| Deir ez Zor governorate | 6 | 14 |
| Aleppo governorate | 6 | 13 |
| Homs governorate | 3 | 3 |
| Idlib governorate | 2 | 2 |
| Hamah governorate | 2 | 2 |
| Tartus governorate | 1 | 1 |
| Daraa governorate | 1 | 1 |
| Rif Dimashq governorate | 1 | 1 |
Deadliest events, September 2025
| Date | Where | Parties | Est. deaths |
|---|---|---|---|
| 20 Sep 2025 | Dayr Hafir district Aleppo governorate | Government of Syria vs SDF State-based, 8 civilian | 8 |
| 27 Sep 2025 | Deir ez Zor district Deir ez Zor governorate | IS vs SDF Non-state | 5 |
| 25 Sep 2025 | Albu Kamal district Deir ez Zor governorate | IS vs SDF Non-state | 5 |
| 30 Sep 2025 | Tall Kalakh district Homs governorate | Government of Syria vs Civilians One-sided, 1 civilian | 1 |
| 30 Sep 2025 | Duraykish district Tartus governorate | Government of Syria vs Civilians One-sided, 1 civilian | 1 |
| 29 Sep 2025 | Jabal Saman district Aleppo governorate | Government of Syria vs Civilians One-sided, 1 civilian | 1 |
| 28 Sep 2025 | Maarat al-Numaan district Idlib governorate | IS vs SDF Non-state | 1 |
| 26 Sep 2025 | Markaz Idlib district Idlib governorate | Government of Syria vs Civilians One-sided, 1 civilian | 1 |
| 24 Sep 2025 | Dayr Hafir district Aleppo governorate | Government of Syria vs SDF State-based | 1 |
| 23 Sep 2025 | Jabal Saman district Aleppo governorate | Government of Syria vs SDF State-based | 1 |
Parties
| Party | Events |
|---|---|
| Government of Syria | 14 |
| SDF | 13 |
| IS | 9 |
Type of violence
| Category | Events |
|---|---|
| State-based | 6 |
| Non-state | 8 |
| One-sided | 8 |
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.