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BrazilThe weather in September in São Sebastião dos Robertos
It's warm in September in São Sebastião dos Robertos with an average temperature of 29°C. Temperatures this month range from a low of 27°C to a high of 31°C. At night, you can expect temperatures between 13°C and 17°C.
Looking for great weather? September is a good time to be in São Sebastião dos Robertos. The temperatures are nice, and there’s 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 Sebastião dos Robertos, 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 2023, São Sebastião dos Robertos reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 16°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 6°C to a highest value of 22°C.
Rainfall amount
In September, there is an average of 54 mm of precipitation, spread over 9 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
Daily weather in September for São Sebastião dos Robertos
Click on any day in September to get detailed info about the usual weather on that day in São Sebastião dos Robertos. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| São Sebastião dos Robertos | New York | |
|---|---|---|
| Average temperature | 29°C | 27°C |
| Max. temperature | 31°C | 31°C |
| Min. temperature | 13°C | -5°C |
| Total precipitation | 54 mm | 57 mm |
| Rainy days | 9 days | 9 days |
Start of September
The month of September starts in São Sebastião dos Robertos with hot temps, averaging around 29°C during the day and nights around 15°C.
Mid September
By mid-September, daytime temps rise to around 30°C, with nights around 17°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of September
By the end of September, the average daytime temperature in São Sebastião dos Robertos is around 29°C, while nighttime temps are about 16°C. A shower might pop up, but overall, the weather will be dry and sunny.
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 Sebastião dos Robertos 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 Sebastião dos Robertos, 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 Sebastião dos Robertos
Temperature in September in São Sebastião dos Robertos over the years
Precipitation charts
These charts show the average amount of precipitation in September in São Sebastião dos Robertos, 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 Sebastião dos Robertos
Total precipitation in September in São Sebastião dos Robertos over the years
Daily UV index in September in São Sebastião dos Robertos
This chart shows the average daily UV index in September in São Sebastião dos Robertos, 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 Sebastião dos Robertos
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Average weather in São Sebastião dos Robertos by month
Click on a month below to see detailed weather info for São Sebastião dos Robertos. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.