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BrazilThe weather in September in São Paulo
It's hot in September in São Paulo with an average temperature of 32°C. Temperatures this month range from a low of 30°C to a high of 34°C. At night, you can expect temperatures between 19°C and 21°C.
September is a good month to be in São Paulo for sunny weather. You’ll have high temperatures and not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for São Paulo, Brazil. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 38°C in 2014, São Paulo reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 21°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 15°C to a highest value of 23°C.
Rainfall amount
According to weather history, there is only 7,4 mm of precipitation in September. The wind speed is around 4 Bft, mostly coming from the Southeast.
Daily weather in September for São Paulo
Click on any day in September to get detailed info about the usual weather on that day in São Paulo. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| São Paulo | New York | |
|---|---|---|
| Average temperature | 32°C | 27°C |
| Max. temperature | 34°C | 31°C |
| Min. temperature | 19°C | -5°C |
| Total precipitation | 7,4 mm | 57 mm |
| Rainy days | 3 days | 9 days |
Start of September
The month of September starts in São Paulo with hot temps, averaging around 31°C during the day and nights around 20°C.
Mid September
By mid-September, daytime temps rise to around 32°C, with nights around 20°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of September
By the end of September, the average daytime temperature in São Paulo is around 34°C, while nighttime temps are about 21°C. No precipitation expected at the end of the month; it’ll be mostly sunny.
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UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of São Paulo for all months and discover the best travel time
Curious about the weather in other parts of Brazil? Check out the climate and weather for spots like Rio de Janeiro, Salvador, Pipa, or explore other destinations in Brazil.
Temperature charts
These charts show the average temperatures in September in São Paulo, Brazil. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in São Paulo
Temperature in September in São Paulo over the years
Precipitation charts
These charts show the average amount of precipitation in September in São Paulo, Brazil. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in São Paulo
Total precipitation in September in São Paulo over the years
Daily UV index in September in São Paulo
This chart shows the average daily UV index in September in São Paulo, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in September in São Paulo
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Average weather in São Paulo by month
Click on a month below to see detailed weather info for São Paulo. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.