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Climate · Brasília

Brasília in September

Hot and mostly dry, as the days lengthen.

Typical weather, averaged over 30 years

September in Brasília is hot: highs near 88°F, lows near 65°F. Rain falls on about one day a week, more often as the month goes on, and the days lengthen by 19 minutes from the first week to the last.September in Brasília is hot: highs near 31°C, lows near 18°C. Rain falls on about one day a week, more often as the month goes on, and the days lengthen by 19 minutes from the first week to the last.

High
88°F31°Caverage
Low
65°F18°Caverage
Wet days
1a week · 15% of days
Daylight
12h 02mon average

Is September a good time to visit Brasília?

September sits outside Brasília's best months, which run from May to July. Expect hot days and rain on about one day a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How September sits in the year

week by week

Temperature

Highs near 88°F in September, against 81°F to 88°F through the year.Highs near 31°C in September, against 27°C to 31°C through the year.

Chance of a wet day

15% of days in September, against 0% to 77% through the year.

Cloud cover

34% cover in September, against 27% to 79% through the year.

Daylight

12h 02m in September, against 11h 12m to 13h 03m through the year.

Week by week, lightly smoothed, with September shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. August84°29°low 60°low 16°no wet daysRain on fewer than one day a week.
  2. September88°31°low 65°low 18°1 wet day a weekRain on about one day a week.
  3. October88°31°low 67°low 19°3 wet days a weekRain on about three days a week.

Where Brasília sits, in September

America/Sao Paulo
this place
typical high in September 40°F4°C95°F35°C
Sunrise, mid-September
6:07 AMsets 6:07 PM
Above the sea
1,090 mupland
Latitude
15.8°Ssouthern hemisphere
Nearest of ours
São Paulo872 km south

The land around Brasília, shaded by its typical high in September, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Brazil in September

high · low · wet days
See September on the planning mapThe whole year in Brasília

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Brasília. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.