🌦️ Social Pulse Weather Almanac

Delayed southwest monsoon withdrawal over western India brought unseasonably heavy rainfall to Mumbai in late September 2026, extending the monsoon season beyond its typical retreat period.

Mumbai experienced an intense late-season monsoon event on September 20, 2026, with an unusual resurgence of the southwest monsoon bringing heavy rainfall that caused widespread flooding, severe waterlogging, and major transportation disruptions across the metropolitan area.

Chennai experiences an unusually early onset of the Northeast Monsoon on September 19, 2026, bringing intense rainfall during the traditional transition period from the Southwest Monsoon. The premature arrival causes significant urban flooding and widespread disruption across the metropolitan area.

Typhoon Karina struck Metro Manila on September 19, 2026, with sustained winds of 150 km/h during peak monsoon season, bringing destructive winds, heavy rainfall, and dangerous storm surge to the Philippine capital and surrounding provinces.

The Northeast Monsoon made its annual arrival over Chennai and Tamil Nadu on September 18, 2026, bringing the first significant rainfall after the summer dry period and marking a crucial transition for regional water resources and agriculture.

An unusually early onset of the Northeast Monsoon brought heavy rainfall to Chennai and surrounding Tamil Nadu districts on September 17, 2026, approximately two weeks ahead of the typical October commencement date.

Hurricane Francine made landfall near Charleston, South Carolina on September 16, 2026, as a Category 2 hurricane with maximum sustained winds of 175 km/h. The storm brought dangerous storm surge up to 2.4 meters, widespread coastal flooding, and heavy rainfall across the Lowcountry region during the peak of Atlantic hurricane season.

Mid-September 2026 marks the peak of Thailand's southwest monsoon season, delivering intense rainfall and significant flooding across Bangkok and the Central Plains region.

Mumbai experienced intense late-season southwest monsoon rainfall on September 14, 2026, causing widespread flooding across the metropolitan area as the monsoon made its final surge before withdrawal, severely disrupting transportation networks and daily life.

Mumbai experienced intense late-monsoon rainfall on September 11, 2026, causing severe flooding across the metropolitan area as the southwest monsoon extended unusually into mid-September, affecting millions of residents with major disruptions to transportation, infrastructure, and daily life.

Hurricane Francine struck the New Orleans metropolitan area on September 10, 2026, making landfall as a Category 2 hurricane with maximum sustained winds of 165 km/h. The storm brought life-threatening storm surge of 2-3 meters to coastal parishes, widespread flooding from heavy rainfall, and significant wind damage across southeastern Louisiana during the peak of Atlantic hurricane season.

Remnants of a Bay of Bengal low-pressure system dumped over 180mm of rainfall in 24 hours on Kolkata on September 8, 2026, causing severe urban flooding and widespread transit disruptions across the metropolitan area during the peak monsoon season.

Dhaka experiences severe monsoon flooding during peak rainfall season in early September 2026, with heavy precipitation inundating large portions of the capital and surrounding areas, affecting millions of residents across the metropolitan region.

An unseasonably intense heat wave affected southeast Queensland in early September 2026, with Brisbane recording consecutive days above 32°C during what is typically a cooler spring period. The event marked one of the warmest early September periods in Brisbane's meteorological history.

Hurricane Francine made landfall near Houston, Texas on September 6, 2026, as a Category 3 hurricane with sustained winds of 125 mph, bringing catastrophic flooding, storm surge, and widespread wind damage to the Texas Gulf Coast metropolitan area.

Phoenix, Arizona experienced an extended late-season heat wave on September 5, 2026, with temperatures surpassing 110°F (43°C), breaking multiple September temperature records and triggering excessive heat warnings across Maricopa County.

Mumbai experienced intense late-season monsoon rainfall on September 4, 2026, with the Southwest Monsoon's resurgence bringing torrential downpours and significant urban flooding across the metropolitan region.

Hurricane Francine made landfall near Houston, Texas on September 3, 2026, as a Category 2 hurricane with sustained winds of 165 km/h, bringing dangerous storm surge, heavy rainfall, and widespread power outages to the Gulf Coast region.

A powerful hurricane forming in the Gulf of Mexico threatened the Houston metropolitan area on September 2, 2026, during peak Atlantic hurricane season, prompting widespread evacuations and comprehensive emergency preparations across the Texas Gulf Coast.

Phoenix, Arizona experienced an exceptional late-summer heat wave beginning September 1, 2026, with temperatures exceeding 110°F (43°C), marking one of the hottest starts to September in the city's meteorological history.

Phoenix, Arizona endured an exceptional late-August heat wave on August 31, 2026, with temperatures soaring above 115°F (46°C), marking one of the hottest ends to August in the city's recorded history.

Hurricane Laura made landfall near Houston, Texas on August 29, 2026 as a powerful Category 3 hurricane with maximum sustained winds of 185 km/h. The storm brought catastrophic storm surge, widespread flooding, and extensive wind damage across the Gulf Coast region.

Phoenix, Arizona experienced one of the longest extreme heat events of the 2026 summer season during late August, with temperatures surpassing 115°F (46°C) for multiple consecutive days, straining infrastructure and posing significant health risks to residents.

Phoenix, Arizona experienced an extreme late-August heat wave with temperatures exceeding 115°F (46°C), marking one of the hottest periods on record for this time of year and placing unprecedented strain on the regional electrical grid.

Severe monsoon flooding affects Dhaka and surrounding regions during peak South Asian monsoon season, with heavy rainfall impacting millions of residents across Dhaka Division.

Phoenix, Arizona experienced an extended late-August heat wave with temperatures exceeding 115°F (46°C), marking one of the longest stretches of extreme heat in the city's recorded history and straining power grids across the Southwest.

Phoenix, Arizona experienced an extreme late-summer heat wave on August 25, 2026, with temperatures surpassing 115°F (46°C), representing one of the most prolonged and intense heat events of the season and placing severe strain on regional power grids.

Phoenix, Arizona experienced an unprecedented late-summer heat wave with temperatures exceeding 115°F (46°C), marking one of the longest extreme heat stretches in the city's recorded history and placing severe strain on electrical infrastructure.

Phoenix, Arizona experienced a prolonged late-summer heat wave with temperatures exceeding 110°F (43°C) for eight consecutive days, triggering heat emergency declarations and stressing power infrastructure across the metropolitan area.

Phoenix, Arizona experienced a severe late-summer heat wave on August 22, 2026, with temperatures exceeding 110°F (43°C) for multiple consecutive days, straining electrical infrastructure and prompting widespread heat health advisories across the metropolitan area.

Phoenix, Arizona experienced one of the most intense late-summer heat waves on record, with temperatures soaring above 115°F (46°C) during the third week of August 2026, challenging infrastructure and public health systems.

Phoenix, Arizona experienced an exceptional late-summer heat wave on August 20, 2026, with temperatures surpassing 115°F (46°C), representing one of the most intense August heat episodes in recent meteorological history and creating significant strain on electrical infrastructure.

Phoenix, Arizona experienced one of its most prolonged and intense August heat waves on record, with temperatures exceeding 115°F (46°C) for multiple consecutive days, severely straining the metropolitan area's power grid and infrastructure.

Phoenix, Arizona experienced an exceptional late-summer heat wave on August 18, 2026, with temperatures exceeding 115°F (46°C), marking one of the longest stretches of extreme heat in the city's recorded history.

Phoenix, Arizona experienced an extended and dangerous heat wave in mid-August 2026, with temperatures exceeding 115°F (46°C) for multiple consecutive days, straining city infrastructure and prompting widespread emergency cooling center operations.

Phoenix, Arizona experienced an exceptional late-summer heat wave on August 17, 2026, with temperatures exceeding 115°F (46°C), marking one of the most intense August heat events in the city's recorded history and causing severe strain on regional power grids.

Phoenix, Arizona experienced an exceptional late-summer heat wave on August 16, 2026, with temperatures exceeding 115°F (46°C), contributing to one of the longest stretches of excessive heat in the city's recorded meteorological history.

Phoenix, Arizona experienced an extreme late-summer heat wave with temperatures exceeding 115°F (46°C) for multiple consecutive days, prompting emergency heat warnings and straining critical infrastructure across the metropolitan area.

Phoenix, Arizona experiences a dangerous and extended heat wave with temperatures exceeding 115°F (46°C) for multiple consecutive days in mid-August 2026, straining electrical infrastructure and requiring widespread emergency cooling center operations.

Phoenix, Arizona experienced one of its most intense August heat waves on record, with temperatures soaring above 115°F (46°C), placing extraordinary strain on emergency services and infrastructure.

Phoenix, Arizona experienced an intense mid-August heat wave on August 12, 2026, with temperatures exceeding 115°F (46°C), marking one of the hottest stretches of the summer season and placing significant strain on the regional power grid.

Phoenix, Arizona experienced one of the most intense August heat waves in its recorded history on August 11, 2026, with temperatures exceeding 115°F (46°C). This exceptional late-summer heat episode strained the city's power infrastructure and tested residents' resilience.

Phoenix, Arizona experienced one of the most intense August heat waves in its meteorological history, with temperatures exceeding 115°F (46°C) during late summer 2026, challenging infrastructure and public health systems.

Phoenix, Arizona experienced an exceptional heat wave in early August 2026, with temperatures exceeding 115°F (46°C) for multiple consecutive days, straining electrical infrastructure and prompting emergency heat advisories across the metro area.

Phoenix, Arizona experienced one of the most intense August heat waves in recorded history, with temperatures exceeding 115°F (46°C), prompting widespread emergency cooling center activations and heat emergency declarations.

Phoenix, Arizona experienced an extreme heat wave with temperatures exceeding 115°F (46°C) for multiple consecutive days during early August 2026, coinciding with the peak monsoon season. The event strained power grids and necessitated emergency cooling center operations across the metropolitan area.

Phoenix, Arizona experienced an intense heat wave on August 6, 2026, with temperatures exceeding 115°F (46°C), marking one of the most prolonged extreme heat events of the summer season across the Southwest United States.

Phoenix, Arizona experienced one of the most intense August heat waves in recorded history with temperatures exceeding 115°F (46°C), creating dangerous conditions across the metropolitan area.

Phoenix, Arizona experienced a dangerous extreme heat wave on August 4, 2026, with temperatures exceeding 115°F (46°C) as part of a multi-day period of record-threatening heat during peak summer season, posing severe risks to public health and infrastructure.

Phoenix, Arizona experienced a historic heat wave beginning August 3, 2026, with temperatures exceeding 115°F (46°C) for multiple consecutive days, breaking early August records and triggering emergency heat warnings across the metropolitan area.

Phoenix, Arizona experienced an extreme heat wave on August 2, 2026, with temperatures exceeding 115°F (46°C), marking one of the most intense August heat events in the city's recorded history and prompting widespread emergency cooling center activations.

Monsoon flooding across the [Pala](/l/pala) region — [Meenachil River](/l/meenachil-river) rising, waterlogging in low-lying areas of [Lalam](/l/lalam), [Moonnani](/l/moonnani), [Kollappally](/l/kollappally), [Kadanad](/l/kadanad), [Arunapuram](/l/arunapuram), [Bharananganam](/l/bharananganam), and [Cherpunkal](/l/cherpunkal). IMD Orange Alert for [Kottayam](/l/kottayam) district.

Phoenix, Arizona experienced an exceptional heat wave with temperatures exceeding 115°F (46°C) for multiple consecutive days during the peak of monsoon season, testing infrastructure and emergency services across the metropolitan area.

Phoenix, Arizona experienced an extreme heat wave on August 1, 2026, with temperatures soaring above 115°F (46°C), breaking daily temperature records and triggering emergency heat advisories across the metropolitan area.

Streets flooded in Bandra during morning showers.

Backwater levels rising, low-lying homes affected.

Persistent afternoon drizzle, no flooding.

Heat index over 45 °C, outdoor work stopped by noon.

Lightning over Manhattan, brief power flicker.

Gusts up to 60 mph along the lakeshore.