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Saturday, October 31, 2026

Brazil Latin America

Five São Paulo Municipalities Declare State of Emergency

By · September 15, 2026 · 4 min read
The Ribeira de Iguape River, which runs through the Vale do Ribeira region of São Paulo state affected by the September 2026 flooding
The Ribeira de Iguape River runs through the valley that gives the Vale do Ribeira region its name. Photo: manufaturadeideias, via Flickr and Wikimedia Commons, CC BY-SA 2.0.

Key Facts

  • —
    What happened. São Paulo state formally homologated emergency status for five municipalities battered by days of heavy rain.
  • —
    How big. The state logged 53 weather-related incidents, with two confirmed deaths and nine people injured.
  • —
    Where. Registro, Ribeira, Iporanga and Barra do Turvo sit in the Vale do Ribeira; Piracaia lies further north.
  • —
    The catch. One person is still missing, and 1,509 residents have already been displaced from their homes.
  • —
    Who it affects. Ribeira was hit hardest: 50 homes damaged, 130 people displaced and 20 relocated to shelters.
  • —
    What comes next. Crews with 16 boats and two helicopters are still reaching communities cut off by floodwater.

Five Municipalities Get Formal Emergency Status

São Paulo’s state government formally recognized a state of emergency in five municipalities on Tuesday. The move followed days of heavy rain that soaked the south and interior of Brazil’s most populous state.

The homologation, announced in a state bulletin at 9 a.m., covers Registro, Ribeira, Iporanga, Barra do Turvo and Piracaia. Four of the five sit in the Vale do Ribeira, a low-lying river valley in southern São Paulo state known for flooding.

Piracaia, further north near the Minas Gerais border, was included in the same bulletin after separate storms struck the town. State emergency declarations in Brazil must be homologated, or formally ratified, before municipalities can access disaster relief funds.

That step clears the way for Registro, Ribeira, Iporanga, Barra do Turvo and Piracaia to draw on state emergency resources. Local governments had already declared their own states of emergency in the days before Tuesday’s ratification.

Rain That Has Not Let Up Since Friday

The rain began building Friday, September 11, and continued through the weekend and into this week. São Paulo’s civil defense agency said the state logged 53 weather-related incidents linked to the storms.

Two deaths have been confirmed so far, and one person remains missing. Nine other people were injured in incidents tied to the flooding and landslides.

Rio Times reported earlier this week that persistent rain and a cold snap were already disrupting daily life across São Paulo state. The storms have since intensified into one of the region’s wettest spells in years, Brazilian outlets reported.

Local meteorologists have linked the extended rain to a slow-moving weather front over southeastern Brazil. Similar fronts have caused flooding in the Vale do Ribeira in past years, though officials say this spell has been unusually long.

State broadcaster Agência SP said 313 people have been left homeless by the flooding. A further 1,509 residents have been displaced from their homes, though some are staying with relatives rather than in shelters.

Ribeira Bears the Brunt of the Damage

Among the five municipalities, Ribeira has suffered the worst damage. Officials there have counted 50 homes damaged by rising water and mudslides since the rain began.

Of Ribeira’s residents, 130 have been displaced and 20 have been moved into shelters. The town’s small population makes the toll proportionally severe compared with its neighbors in the valley.

Registro, Iporanga and Barra do Turvo have also reported flooded streets and isolated neighborhoods. Some communities in the valley remain accessible only by boat, according to state officials coordinating the response.

The Vale do Ribeira is one of São Paulo’s poorest regions, with an economy built on small-scale farming and tourism. Its narrow river valleys and limited road network make it especially vulnerable when the Ribeira de Iguape River rises.

Governor Sends Boats, Helicopters and Aid

Governor Tarcísio de Freitas announced a relief package for the Vale do Ribeira on Sunday, ahead of Tuesday’s formal emergency declaration. The state has deployed 16 boats and two helicopters to reach flooded areas.

“The first step is caring for people, providing shelter and stocking the refuges,” Freitas said, according to Brazilian outlet ABC Agora.

“We’re sending materials and all necessary support,” he added.

The state has opened 19 shelters across six municipalities for displaced residents. More than 3,500 humanitarian aid items, including mattresses, food baskets and hygiene products, have already been distributed.

Health authorities have also sent 159,000 additional bottles of sodium hypochlorite to treat drinking water in affected areas. Antivenin and tetanus serum supplies have been reinforced at local clinics, a precaution common after flooding disturbs snake habitats.

Roads, Farms and Documents Also on the List

Beyond emergency shelter, the state has mobilized equipment to clear debris and repair damaged roads. Several routes connecting Vale do Ribeira towns were impassable at the height of the storms.

Mobile units from the Poupatempo public-services program are helping residents who lost identity documents in the flooding replace them quickly. Officials said this can speed up access to social benefits and insurance claims.

The state is also evaluating emergency credit lines for small farmers whose crops or land were damaged. Agriculture is a major source of income in the Vale do Ribeira, particularly banana cultivation along the valley floor.

What Happens Next

The formal emergency status lasts for a set period under Brazilian civil defense rules, typically renewable if conditions do not improve. It allows the affected municipalities to bypass standard bidding rules for emergency repairs and purchases.

Forecasters have not ruled out further rain in the coming days, according to São Paulo’s civil defense bulletins. Search efforts for the one missing person were ongoing as of Tuesday, officials said.

State and municipal teams are expected to spend the coming weeks on debris removal and infrastructure assessments. A fuller damage estimate, including costs for road and home repairs, has not yet been released.

This article was produced by The Rio Times’ automated newsroom system. How we use AI · Report an error · Editorial responsibility: Matthias Camenzind, Editor-in-Chief

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