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BrazilThe weather in September in São Sebastião da Boa Vista
It's hot in September in São Sebastião da Boa Vista with an average temperature of 34°C. Temperatures this month range from a low of 34°C to a high of 35°C. At night, you can expect temperatures between 24°C and 25°C.
September is a good month to be in São Sebastião da Boa Vista 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 Sebastião da Boa Vista, 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 39°C in 2023, São Sebastião da Boa Vista reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 30°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 21°C to a highest value of 27°C.
Rainfall amount
In September, there is an average of 92 mm of precipitation, spread over 12 days. The wind speed is around 3 Bft, mostly coming from the Northeast.
Daily weather in September for São Sebastião da Boa Vista
Click on any day in September to get detailed info about the usual weather on that day in São Sebastião da Boa Vista. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| São Sebastião da Boa Vista | New York | |
|---|---|---|
| Average temperature | 34°C | 27°C |
| Max. temperature | 35°C | 31°C |
| Min. temperature | 24°C | -5°C |
| Total precipitation | 92 mm | 57 mm |
| Rainy days | 12 days | 9 days |
Start of September
The month of September starts in São Sebastião da Boa Vista with hot temps, averaging around 35°C during the day and nights around 25°C.
Mid September
By mid-September, daytime temps stay steady at around 35°C, with nights around 25°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 da Boa Vista is around 35°C, while nighttime temps are about 25°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
Find affordable trips to São Sebastião da Boa Vista
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 da Boa Vista 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 da Boa Vista, 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 da Boa Vista
Temperature in September in São Sebastião da Boa Vista over the years
Precipitation charts
These charts show the average amount of precipitation in September in São Sebastião da Boa Vista, 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 da Boa Vista
Total precipitation in September in São Sebastião da Boa Vista over the years
Daily UV index in September in São Sebastião da Boa Vista
This chart shows the average daily UV index in September in São Sebastião da Boa Vista, 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 da Boa Vista
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Average weather in São Sebastião da Boa Vista by month
Click on a month below to see detailed weather info for São Sebastião da Boa Vista. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.