See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:13
Sunrise
17:54
Sunset
Moon
Waning Crescent
03:32
Moonrise
14:29
Moonset
Daily Forecast
Today
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Air Quality Data Available
Upgrade to access real-time air quality data for São Caetano do Sul.
Resources
UV Index
Humidity
Weather in São Caetano do Sul today, September 07, 2026
São Caetano do Sul looks damp on September 07, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. Wetter spells lean into the morning, when rain odds reach about 32% near 10:00. Skies look heaviest around 08:00, with cover close to 100%.
Expect highs of 14°C and cooler readings close to 10°C. Moisture in the air spans 76%–93%, with the highest values around 23:00. Winds stay light, near 3.6 km/h by 12:00, so the day feels still more than breezy.
Afternoon showers stay in play, peaking near 64% around 22:00. Skies remain cluttered, with cover about 99% by 12:00. Expect visibility near 15.7 km, with poorer spells close to 10.8 km. Expect sunrise at 06:13, sunset at 17:54, and 11 hours 41 minutes of sunlight today overall.
Taken together, São Caetano do Sul looks wet enough on September 07, 2026 that flexible outdoor plans work best, with temperatures peaking near 14°C.
Frequently asked questions about weather in São Caetano do Sul
How warm does it get in São Caetano do Sul?
The warmest month in São Caetano do Sul is August, with average high temperatures of 33°C. The average temperature during this period is around 28°C.
How cold does it get in São Caetano do Sul?
The coldest month in São Caetano do Sul is March, with average low temperatures of 20°C. The average temperature during this period is around 22°C.
What is the wettest time of year in São Caetano do Sul?
The wettest month in São Caetano do Sul is September, with an average of 33mm of precipitation.
What is the driest time of year in São Caetano do Sul?
The driest month in São Caetano do Sul is February, with an average of 4mm of precipitation.
Explore more weather forecasts
- Santo André, São Paulo
- São Paulo, São Paulo
- São Bernardo do Campo, São Paulo
- Rio de Janeiro, Rio de Janeiro
- Diadema, São Paulo
- Belo Horizonte, Minas Gerais
- Mauá, São Paulo
- Salvador, Bahia
- Fortaleza, Ceará
- Vila Galvão, São Paulo
- Manaus, Amazonas
- Ribeirão Pires, São Paulo
- Brasília, Federal District
- Guarulhos, São Paulo
- Curitiba, Paraná
