According to IDMC's Internal Displacement Updates, between 1 and 30 September 2026 the Philippines recorded 1,019,249 disaster-driven internal displacements across 11 events. The rule compared this figure against a minimum of 50,000 and against the country's own monthly record over the previous 20 months, in which the 90th percentile was 177,166. The largest entries relate to tropical cyclones Kujira (Luis-Maymay), Gaenari (Neneng) and Krovanh (Pilandok), with figures of 399,403 and 245,126 dated 25 September, followed by 120,282 linked to the earthquake affecting 4 regions dated 5 September, all sourced from DSWD and DROMIC. The Government of the Philippines' DSWD DROMIC Report #107 of 6 October 2026 covers the combined effects of the enhanced southwest monsoon and tropical cyclones Luis, Maymay, Neneng and Pilandok.
| Rule | Displacement in a month against the country's own record |
| Period | 2026-09-01 to 2026-09-30 |
| Displacement in the month | 1,019,249 |
| Events in the month | 11 |
| Months of history compared | 20 |
| 90th percentile of that history | 177,166 |
| Judged against | an absolute floor of 50,000; the 90th percentile of the country's own record, 177,166. Fired on: abs_floor, history_percentile. |
| Detected | 13 October 2026, run 19 |