See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
21°
Partly Cloudy
Feels Like: 22°
Min: 21°
Max: 27°
The next few hours will be partly cloudy, with today reaching 27°C and dropping to 20°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:39
Sunrise
18:55
Sunset
Moon
Waxing Crescent
11:13
Moonrise
20:48
Moonset
Daily Forecast
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Weather in San Paolo today, September 15, 2026
Expect unsettled, showery conditions in San Paolo on September 15, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. The morning carries the wetter risk, with rain chances near 36% and the highest odds around 11:00. Cloud is also thick early on, peaking near 70% around 11:00.
Temperatures climb from an overnight low near 21°C toward a daytime high of about 27°C. The air stays humid, with relative humidity between 53% and 83% and the peak around 07:00. Airflow remains manageable, reaching about 4.7 km/h around 11:00.
Through the afternoon wet weather remains a factor, with rain chances near 92% around 12:00. Cloud also stays substantial, close to 73% near 12:00. Horizontal visibility sits around 37.6 km, briefly nearer 29.3 km. Sunrise is at 06:39 and sunset at 18:55, giving 12 hours 15 minutes of sunlight today.
Taken together, San Paolo looks wet enough on September 15, 2026 that flexible outdoor plans work best, with temperatures peaking near 27°C.
Frequently asked questions about weather in San Paolo
How warm does it get in San Paolo?
The warmest month in San Paolo is July, with average high temperatures of 31°C. The average temperature during this period is around 27°C.
How cold does it get in San Paolo?
The coldest month in San Paolo is January, with average low temperatures of 6°C. The average temperature during this period is around 8°C.
What is the wettest time of year in San Paolo?
The wettest month in San Paolo is November, with an average of 90mm of precipitation.
What is the driest time of year in San Paolo?
The driest month in San Paolo is July, with an average of 18mm of precipitation.