Temperatures in September
It's hot in September in Brasília with an average temperature of 32°C. Temperatures this month range from a low of 28°C to a high of 33°C. At night, you can expect temperatures between 13°C and 19°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Brasília in September. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of September
The month of September starts in Brasília with hot temperatures, averaging around 32°C during the day and nights close to 16°C. You won’t see any precipitation in the first days of the month, it’s all sunny skies.
Since temperatures can differ between day and night, it’s a good idea to dress in layers.
Mid-September
By mid-September, the average daytime temperature stays the same at 32°C, with nights close to 17°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
Temperatures vary between day and night, so it’s smart to wear layers.
End of September
By the end of September, the average daytime temperature in Brasília will be around 32°C, with nights close to 18°C. A shower might show up, but overall the weather will be dry and sunny.
As it gets cooler in the evening, it’s best to wear layers.
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Precipitation in September
In September, there is an average of 64 mm of precipitation, spread over 2 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
The average chance of precipitation is only 8% in September.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in September for Brasília. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Brasília in September |
London | ||
|---|---|---|---|
 Average Temperature |
32°C | 20°C | |
 High Temp |
33°C | 22°C | |
| Low Temp |
28°C | 17°C | |
 Total Precipitation |
64 mm | 44 mm | |
| Rainy Days |
2 days | 8 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 Brasília?
September is a great month to be in Brasília for sunny weather. You’ll get high temperatures and not too much rain this month.
Temperature records for Brasília in September
With 37°C, Brasília hit the highest temperature in the last 10 years in September 2021. The lowest daytime temperature in this month was 23°C in 2020. The extreme night temperatures ranged from a low of 9°C to a high of 23°C.
Check out the climate of Brasília for all months and discover the best travel time
Curious about the climate in other parts of Brazil? Check out the weather and climate in places like Rio de Janeiro, Salvador, Pipa, or have a look at other destinations in Brazil.
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Daily Temperature in September in Brasília
This chart shows the average daily temperatures, both day and night, for each day in September in Brasília, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in Brasília
The chart below shows the average daily precipitation in September for Brasília, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown 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 rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 2 days of rain in Brasília.
Daily UV Index in September in Brasília
This chart shows the average daily UV index in September in Brasília, 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 Brasília Over the Years
This chart shows the average temperature in September in Brasília, measured in degrees Celsius, over the past years.
Total Precipitation in September in Brasília Over the Years
This chart shows the average precipitation in September in Brasília, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for Brasília
Click on a specific day in September for detailed info on the typical weather on that day in Brasília. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Brasília
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Average Weather in Brasília by Month
Click on a month below to see detailed weather info for Brasília. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
