
Prepare for rainfall as the Meteorological Department warns that from 8-11 September 2026, Thailand will see increased rain due to a passing monsoon trough and strengthening monsoon winds. Several regions, including Bangkok and its vicinity, face a high risk of very heavy rain.
On 5 September 2026, the official Facebook page of the Meteorological Department posted: "Prepare for heavy rain from 8–11 September 2026. Rain increases as a monsoon trough passes and monsoon winds strengthen, posing a risk of very heavy rain in several regions including Bangkok and its vicinity."
Be cautious of dangers from flash floods, flash floods from mountain streams, and landslides, especially in foothill areas and near various waterways.
Information courtesy of the Meteorological Department's Facebook page.