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25°
Mostly Clear
Feels Like: 26°
Min: 19°
Max: 31°
The next few hours will be clear, with tomorrow reaching 33°C and dropping to 21°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:04
Sunrise
18:04
Sunset
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Waxing Gibbous
12:59
Moonrise
01:40
Moonset
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View stargazing scoreWeather in Brasília tomorrow, September 21, 2026
Brasília stays under cloudy skies on September 21, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. Morning skies stay relatively clear, holding cloud close to 28% near 11:00. The early part of the day favours being outside.
Expect highs of 33°C and cooler readings close to 21°C. The air stays humid, with relative humidity between 19% and 53% and the peak around 03:00. Airflow remains manageable, reaching about 4.6 km/h around 09:00.
Through the afternoon skies look more workable, with cloud near 54% around 15:00. Later outdoor plans have a clearer window than the morning may have suggested. Expect visibility around 16.1 km. The sun rises at 06:03 and sets at 18:04, for a total of 12 hours 0 minutes of sunlight today.
Overall, Brasília on September 21, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 33°C.
Frequently asked questions about weather in Brasília
How warm does it get in Brasília?
The warmest month in Brasília is September, with average high temperatures of 31°C. The average temperature during this period is around 24°C.
How cold does it get in Brasília?
The coldest month in Brasília is July, with average low temperatures of 14°C. The average temperature during this period is around 20°C.
What is the wettest time of year in Brasília?
The wettest month in Brasília is December, with an average of 235mm of precipitation.
What is the driest time of year in Brasília?
The driest month in Brasília is July, with an average of 0mm of precipitation.
