BrazilAverage weather for São Paulo in September
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.
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. There’s little chance of precipitation. The weather’s mostly sunny and dry.
With the temperature difference between day and night, it’s smart to wear layers.
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.
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.
São Paulo in September |
New York | ||
|---|---|---|---|
 Average temperature |
32°C | 27°C | |
 Max. temperature |
34°C | 31°C | |
| Min. temperature |
30°C | -5°C | |
 Total precipitation |
7,4 mm | 57 mm | |
| Rainy days |
4 days | 9 days | |
August
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.
Is September a good time to visit São Paulo?
September is a good month to be in São Paulo for sunny weather. You’ll have high temperatures and not too much rain.
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.
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.
Daily Temperature in September in São Paulo
This chart shows the average daily high and low temperatures in September for São Paulo, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in September in São Paulo
The chart below shows the average daily precipitation in September for São Paulo, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 4 days of precipitation in São Paulo.
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.
Temperature in September in São Paulo over the years
This chart shows the average temperature in September in São Paulo, measured in degrees Celsius, over the past few years.
Total precipitation in September in São Paulo over the years
This chart shows the average precipitation in September in São Paulo, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
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.
Weather experiences in September in São Paulo
Have you been to São Paulo in September?
Share your weather experience in September in São Paulo.
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.
Or check out the climate of São Paulo for all months at once
