Detailed weather forecast for Brasília, Brazil: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Brasília
today☀️31°💧 0.2 mm
Sun🌧️31°💧 0.7 mm
Mon🌧️29°💧 14.9 mm
Tue🌧️26°💧 0.8 mm
Wed🌧️27°💧 3.6 mm
Thu🌧️27°💧 0.3 mm
Fri🌤️30°💧 0.6 mm
Sat☀️32°💧 1.1 mm
Forecast vs 1991-2020 climate normal
How does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
NASA POWER
Tuesday 8 Sept in Brasília, the forecast high is 26°C. Typical daytime temperatures at this time of year range from 30°C to 34°C, so it will be exceptionally cool. It is cooler than 97% of similar days.
31°Ccooler than usual
usually 30°C–34°C
cooler than 73% of similar days
night: exceptionally warmrain: more rain than usualwind: lighter than usual
31°Ccooler than usual
usually 30°C–34°C
cooler than 76% of similar days
night: exceptionally warmrain: more rain than usualwind: lighter than usual
29°Cexceptionally cool
usually 30°C–34°C
cooler than 92% of similar days
night: exceptionally warmrain: exceptionally wetwind: lighter than usual
26°Cexceptionally cool
usually 30°C–34°C
cooler than 97% of similar days
night: exceptionally warmrain: more rain than usualwind: typical
From 1981 to 2025, the 5-11 Sept period averaged 32°C by day. The coolest year was 1984 (28°C) and the warmest was 2021 (36°C). The current forecast averages 29°C - lower than in 93% of historical years.
Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.
14-day forecast - Brasília
Brasília 30 & 45-day weather - long-range outlook
Next 15 days · forecast
29°
around 24° at night · days with rain: 6
Weeks 3-4 · avg for September
30°
around 16° at night · rain chance 20%
Weeks 5-7 · avg for October
30°
around 18° at night · rain chance 31%
The 30 & 45-day outlook for Brasília: the next 15 days are a numerical forecast updated daily - on average 29° by day and 24° at night. Further out we rely on multi-year climate averages: around 30° in September, and about 30° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Brasília
Saturday5 September 2026
☀️31°clear sky
sunrise 06:15 · sunset 18:06 · night 23° · evening 26° · rain 0.15 mm · humidity 27% · wind 5 m/s · clouds 3%
Sunday6 September 2026
🌧️31°light rain
sunrise 06:14 · sunset 18:06 · night 23° · evening 25° · rain 0.66 mm · humidity 31% · wind 5 m/s · clouds 86%
Monday7 September 2026
🌧️29°heavy rain
sunrise 06:13 · sunset 18:06 · night 20° · evening 22° · rain 14.94 mm · humidity 41% · wind 5 m/s · clouds 6%
Tuesday8 September 2026
🌧️26°light rain
sunrise 06:13 · sunset 18:06 · night 25° · evening 27° · rain 0.75 mm · humidity 47% · wind 5 m/s · clouds 80%
Wednesday9 September 2026
🌧️27°light rain
sunrise 06:12 · sunset 18:07 · night 22° · evening 21° · rain 3.64 mm · humidity 44% · wind 4 m/s · clouds 98%
Thursday10 September 2026
🌧️27°light rain
sunrise 06:11 · sunset 18:07 · night 23° · evening 25° · rain 0.33 mm · humidity 45% · wind 4 m/s · clouds 94%
Friday11 September 2026
🌤️30°a few clouds
sunrise 06:10 · sunset 18:07 · night 26° · evening 29° · rain 0.57 mm · humidity 30% · wind 5 m/s · clouds 22%
Saturday12 September 2026
☀️32°clear sky
sunrise 06:09 · sunset 18:07 · night 26° · evening 30° · rain 1.08 mm · humidity 24% · wind 5 m/s · clouds 3%
Sunday13 September 2026
🌧️29°light rain
sunrise 06:09 · sunset 18:07 · night 23° · evening 24° · rain 2.58 mm · humidity 40% · wind 5 m/s · clouds 24%
Monday14 September 2026
🌧️29°light rain
sunrise 06:08 · sunset 18:07 · night 21° · evening 23° · rain 1.62 mm · humidity 37% · wind 6 m/s · clouds 5%
Tuesday15 September 2026
🌧️26°moderate rain
sunrise 06:07 · sunset 18:07 · night 23° · evening 26° · rain 4.95 mm · humidity 45% · wind 7 m/s · clouds 55%
Wednesday16 September 2026
🌧️29°light rain
sunrise 06:06 · sunset 18:07 · night 25° · evening 27° · rain 0.15 mm · humidity 29% · wind 4 m/s · clouds 25%
Thursday17 September 2026
☀️30°clear sky
sunrise 06:06 · sunset 18:07 · night 25° · evening 28° · rain 0.39 mm · humidity 24% · wind 6 m/s · clouds 5%
Today the UV index in Brasília is 8 (very high) - unprotected fair skin can burn in about 25 minutes. SPF 50, long sleeves and shade between 10:00 and 16:00.
Air quality and smog in Brasília
Air quality in Brasília is currently good. Fine particulate PM2.5: 13.4 µg/m³, PM10: 14.2 µg/m³.
City
PM2.5 (µg/m³)
PM10 (µg/m³)
Air quality
Brasília
13.4
14.2
good
Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-09-04, 22:00).
Brasília weather through the year
Upcoming public holidays in Brazil: Independence Day — 7 September · Our Lady of Aparecida — 12 October · All Souls' Day — 2 November.