Kolkata Heavy Rain on 23 September 2025: Record Rainfall, Floods, and Durga Puja Preparations Hit

Kolkata woke up to unprecedented downpours on 23 September 2025, with heavy rain paralysing life across the city just days before Durga Puja. According to the India Meteorological Department (IMD), several parts of the city recorded more than 200–300 mm rainfall within hours, leading to severe flooding, power outages, and transport chaos.

Record Rainfall in Kolkata

• Alipore: 247 mm in 24 hours
• Garia Kamdahari: 332 mm
• Jodhpur Park: 285 mm
• Kalighat: 280 mm
• Topsia: 275 mm
• Ballygunge: 264 mm

Other localities like Ultadanga, Tangra, Chetla, Kudghat, and Mominpur also faced similar levels of rainfall, with knee-deep water in several colonies. This was one of the highest single-day rainfalls in Kolkata’s history for September.

Waterlogging and Citywide Disruption

The intense rainfall resulted in:

• Flooded streets in Ballygunge, Kalighat, Jadavpur, Ultadanga, Tangra, and central Kolkata.
• Residential waterlogging, with homes and apartments in low-lying areas inundated.
• Kolkata Municipal Corporation (KMC) deploying high-capacity pumps, but flooding continued as drains overflowed.
• Power supply disruptions in parts of South Kolkata due to safety concerns.

Transport Chaos: Trains, Metro, and Flights

Railways

• Sealdah and Howrah divisions faced severe waterlogging on tracks.
• Suburban trains were short-terminated or cancelled, affecting thousands of daily commuters.
• Even long-distance trains like Vande Bharat Express services were rescheduled.

Kolkata Metro

• Metro services were partially suspended due to water entering station premises.
• Delays and overcrowding hit commuters who rely on the Metro daily.

Air Travel

• Kolkata Airport largely remained functional, though minor delays were reported as pumps cleared water from apron areas.

Durga Puja Preparations Affected

• The downpour could not have come at a worse time for Durga Puja organisers.
• Pandals in south and central Kolkata reported waterlogging, forcing volunteers to drain water manually.
• Work on decoration, lighting, and idol placements slowed down.
• Many artisans at Kumartuli—famous for making Durga idols—struggled as clay and materials got damaged.

The rain has raised concerns about whether Durga Puja 2025 celebrations will be impacted if showers continue through the week.

Weather Forecast for Bengal

The IMD has warned that:

• A low-pressure system in the Bay of Bengal will continue to bring heavy rainfall to South Bengal districts till at least 27 September 2025.
• Districts likely to be affected: Purba Medinipur, Paschim Medinipur, South 24 Parganas, Bankura, Jhargram.
• Kolkata is expected to see intermittent showers with heavy spells over the next 48 hours.

Why Such Heavy Rain in September?

Meteorologists highlight that:

• Monsoon withdrawal is delayed, keeping moisture active over the Bay of Bengal.
• Cyclonic circulations and low-pressure systems during late September often bring unexpected torrential rains.
• Climate change is increasing extreme weather events, making heavy rains more frequent in urban centres like Kolkata.

Safety Concerns and Precautions

The flooding has already caused fatalities due to electrocution in waterlogged zones. Authorities are urging citizens to:

• Avoid stepping into flooded streets near electric poles.
• Delay unnecessary travel until water levels recede.
• Use Metro or air travel only if necessary, given possible disruptions.

Quick Takeaway

• Date: 23 September 2025.
• Rainfall: Up to 332 mm recorded in parts of Kolkata.
• Impact: Severe waterlogging, rail and Metro disruption, Durga Puja pandals flooded.
• Forecast: Rain likely to continue till 27 September 2025.
• Precautions: Stay indoors during heavy spells, avoid flooded streets, monitor IMD alerts.

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