Spurred by heavy showers throughout recent weeks, Mumbai has already recorded 606 mm of rain this month, making it the city’s second wettest September since 2021. Following torrential rain over the weekend, the showers are slated to recede gradually with the India Meteorological Department (IMD) sounding no alerts in the city, starting Tuesday.
Amid a red alert sounded in the region, several pockets of Mumbai received over 100 mm of rain between Sunday and Monday morning. Records from the weather bureau showed that in the 24 hours till 8.30 am on Monday, the IMD’s Colaba coastal observatory registered 101.2 mm of rain while the Santacruz observatory received 77.5 mm.
According to the Brihanmumbai Municipal Corporation’s automatic weather stations, the heaviest downpour was recorded in the western suburbs at an average of 99.44 mm of rain, followed by an average of 80 mm in the eastern suburbs, and 74 mm in the island city division.
Owing to the heavy showers over the weekend, preceded by intermittent spells of heavy rain throughout the month, Mumbai has until Monday (September 29) reported 606.1 mm of rain this month. Prior to this, the wettest September was recorded in 2024 at a total of 660 mm, followed by 2021 when the city received 744.2 mm of rain during the month.
Meanwhile, having received 586 mm rain already, this is also Colaba’s third wettest September since 2006.
For the record, this is significantly higher than the monthly average rain received in September which stands at 380 mm, according to IMD’s records for the past 20 years.
Overall, the Santacruz weather station has received 3,100.4 mm of rain since June, as per data collected till Monday morning. Officials said that this marks a positive departure of over 787 mm above the normal. Meanwhile, the Colaba station has received 2,245 mm of rain so far, which is a positive departure of 155 mm above the normal, they added.
This comes a day after the city’s Colaba station clocked the second highest single-day rain figure in the area since 2021, receiving over 120 mm of rain in a 24-hour period.
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However, starting Tuesday, rain is set to subdue across the Mumbai Metropolitan Region (MMR) with the IMD lifting the yellow alert warnings issued for the districts. On Monday too, heavy showers eluded the city with Mumbai receiving only 0.1 mm rain between 8.30 am and 5.30 pm, nudging the IMD to downgrade the orange alert to a yellow alert on Monday.
According to meteorologists, city will only experience light to moderate showers in the coming days until Thursday at least.
Nayonika Bose is a Senior Correspondent with The Indian Express’ Mumbai bureau. While in the early stages of her career, her focused reporting on local governance and community welfare already demonstrates clear Expertise and Trustworthiness in covering essential civic issues impacting Mumbai's residents.
Expertise & Authority (E-E-A-T)
Specialized Focus: Nayonika's reporting is dedicated to civic and community issues, providing readers with highly relevant, ground-level information about the functionality and administration of India's largest metropolitan area.
Core Coverage Areas: Her articles highlight a strong focus on the fundamental quality of life and public safety in Mumbai, including:
Civic Infrastructure: Reports on critical failures and initiatives related to public works, such as the recurring problem of unauthorized building collapses in Navi Mumbai, the construction of new infrastructure projects (like the Dahisar-Bhayandar Link Road and the Mahalaxmi cable-stayed bridge), and the maintenance of essential city services (e.g., manhole cover theft).
Urban Governance & Crisis Management: Provides detailed coverage of the Brihanmumbai Municipal Corporation's (BMC) response to major crises, particularly during the monsoon (e.g., heavy rainfall, water cuts, and public health concerns like dengue and malaria) and large-scale public safety incidents (e.g., the hoarding collapse fallout).
Community Welfare & Rights: Reports on key social issues, including the financial aid scheme for persons with disabilities, the struggles of Mumbai's hawkers protesting eviction drives, and the dangers faced by workers due to the continuation of manual scavenging in water tanks.
Cultural & Heritage Reporting: Covers significant community stories, including the restoration of British-era fountains and the history of institutions like the 126-year-old Chinchpokli cemetery, showing a breadth of interest beyond pure administration.
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