September 2025 Kolkata cloudburst
| Date | start date 23 september 2025 |
|---|---|
| Time | 12:00 am to 5:00 am as per kolkata alipur meterogical department (IST) |
| Location | Kolkata, West Bengal, India |
| Type | Flash flood |
| Cause | very heavy rain |
| Deaths | 12 |
| Non-fatal injuries | 30+ |
| Missing | 2 |
On 23 September 2025, an intense cloudburst occurred in Kolkata, India, causing widespread waterlogging and flash floods around the city. The incident caused 9 deaths in Kolkata and 2 deaths in nearby districts, 30 injuries and at least 2 people left missing. Because of the heavy rainfall, many areas of Kolkata including Bansdroni, Bijoygarh, Jadavpur and Garia were waterlogged for three days.