🌧️ Mumbai Weather Update – September 28, 2025
Mumbai is experiencing an intense weather scenario today, Sunday, September 28, 2025. The India Meteorological Department (IMD) has issued a Red Alert for the city due to the likelihood of extremely heavy rainfall, thunderstorms, lightning, and gusty winds reaching speeds of 40–50 km/h. This alert extends to neighboring districts including Thane, Raigad, and Palghar, and is expected to remain in effect until September 30.
The persistent rains have caused waterlogging, traffic disruptions, and heightened concern among residents, highlighting the importance of safety and preparedness.
MUMBAI WEATHER
🌧️ Current Weather Conditions
As of early morning today, Mumbai has already received substantial rainfall. The Colaba observatory recorded 120.8 mm of rain over the 24-hour period ending at 8:30 AM. Several low-lying areas, including the Andheri subway, have been flooded with 1 to 1.5 feet of water, causing road closures and traffic jams.
The IMD forecasts that rainfall will intensify in the coming hours, with intermittent thunderstorms and lightning strikes expected across the city. Residents are strongly advised to stay indoors and avoid unnecessary travel until the storm subsides.
🕒 Hourly Weather Forecast for Mumbai
Here’s a breakdown of the expected weather conditions throughout the day:
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8:00 AM – 11:00 AM: Heavy rainfall with isolated thunderstorms. Temperature around 26°C. Winds at 25–35 km/h.
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11:00 AM – 2:00 PM: Intense showers continuing. High tide expected at 2:55 PM, increasing the risk of coastal waterlogging. Temperature 27°C. Winds 30–40 km/h.
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2:00 PM – 5:00 PM: Heavy rainfall persists. Possible lightning and gusty winds. Low visibility in several areas due to heavy rain.
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5:00 PM – 8:00 PM: Rainfall may moderate but sporadic showers will continue. Low tide expected at 8:50 PM. Temperature around 26°C.
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8:00 PM – 11:00 PM: Light to moderate showers may continue. Residents are advised to avoid unnecessary travel during evening hours.
🌫️ Air Quality and Environmental Impact
The heavy rainfall has brought a temporary improvement in Mumbai's air quality. Rain helps clear particulate matter from the atmosphere, lowering the Air Quality Index (AQI) in most areas of the city. While this is beneficial, it also highlights the dual impact of such weather events—improved air quality but increased risk of waterlogging, flooding, and infrastructure challenges.
🚧 Urban Challenges and Local Impact
Persistent rains have caused major disruptions across the city:
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Traffic Congestion: Roads like Western Express Highway, SV Road, and Andheri-Kurla Road are experiencing severe traffic delays.
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Public Transport: Several local trains are running at reduced speeds, and bus services are delayed due to waterlogging.
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Electricity and Power: Some suburbs have reported short-term power outages due to water accumulation and strong winds.
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Emergency Response: The National Disaster Response Force (NDRF) is on standby to assist in flood management and rescue operations if required.
Residents should avoid commuting during peak rainfall hours and report any fallen trees, submerged roads, or hazards to local authorities.
🌊 Coastal and Tidal Conditions
Mumbai’s coastal areas are facing the additional challenge of high tides coinciding with heavy rains.
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High Tide: 3.24 meters at 2:55 PM
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Low Tide: 1.31 meters at 8:50 PM
Low-lying coastal areas such as Colaba, Marine Drive, and parts of South Mumbai may experience temporary flooding during high tide. Residents in these areas should remain cautious and avoid venturing near the shoreline until conditions stabilize.
📈 Historical Context
Mumbai often faces heavy monsoon rains between June and September. However, the rainfall today is unusually intense for this late September period. Comparing recent years:
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2022: Mumbai received 85 mm of rainfall on a single day in September.
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2023: Heavy showers caused moderate flooding in Andheri and Malad.
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2024: Late monsoon rains triggered traffic jams and temporary school closures.
This historical data emphasizes the severity of the current weather event and the importance of preparedness.
🛑 Travel and Safety Advisories
Authorities have issued multiple advisories:
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Air Travel: Airlines caution passengers regarding delays and cancellations. Travelers should confirm flight status before heading to the airport.
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Road Travel: Avoid roads prone to waterlogging. Use alternative routes and plan travel only if essential.
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Public Safety: Stay indoors during thunderstorms. Avoid using electrical appliances or standing near open windows during lightning.
✅ Expert Safety Tips for Residents
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Avoid Non-Essential Travel: Travel only if urgent; stay indoors whenever possible.
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Stay Updated: Follow official weather alerts from IMD and local authorities.
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Emergency Kits: Keep water, non-perishable food, medicines, flashlights, and batteries ready.
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Home Protection: Seal doors and windows, and ensure drainage systems are clear to reduce flood risk.
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Health Precautions: Avoid walking through floodwaters, which can carry disease and cause injuries.
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Community Help: Check on elderly neighbors or those with mobility issues.
🌦️ Long-Term Forecast
The Red Alert remains in effect until September 30. IMD predicts continued heavy rainfall, with isolated thunderstorms expected across Mumbai and neighboring districts. Residents are advised to stay informed, take safety precautions seriously, and avoid unnecessary exposure to storm hazards.
🔍 Key Takeaways
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Mumbai is under a Red Alert due to heavy rainfall, thunderstorms, and gusty winds.
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High tides combined with rainfall increase flood risks in low-lying coastal areas.
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Transportation is heavily affected; travelers and commuters must plan accordingly.
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Emergency services are on standby, but community preparedness is critical.
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Temporary improvement in air quality is a positive side effect, but flooding remains a concern.
By remaining vigilant, informed, and prepared, residents of Mumbai can navigate this extreme weather safely. Collective responsibility, timely response, and adherence to advisories will help minimize disruptions and protect lives.
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