Belo Horizonte weather in September
September in Belo Horizonte: hot, dry — an excellent time to visit.
Updated September 2026 · climate normals from ERA5 reanalysis
#5 of 12 months in Belo Horizonte · #422 of 1413 destinations to visit in September · comfort 86/100 (tier A)
- Days
- 29°C
- Nights
- 17°C
- Wet days
- 4
- Sun
- 10.6 h
- Humidity
- 57%
- Daylight
- 12 h

Traveller notes on Belo Horizonte in September
Notes from nearby Ouro Preto (69 km away)
Belo Horizonte doesn't have its own notes for September yet — these are about Ouro Preto, close enough to share the season.
Forum posters describe mid-September through early November as one of the better weather windows for this part of Brazil - noticeably warmer and less humid than the April-May stretch some posters compare it against. The one clear caveat posters raise: the rainy season proper doesn't begin until around the first week of November, at which point Ouro Preto's steep, cobbled colonial streets are specifically flagged as becoming slippery and best avoided in heavy rain. September itself sits ahead of that shift, making it a comparatively dry, walkable choice for exploring the hilly historic center before the wetter November-January period sets in.
Other months in Belo Horizonte
Forum posters describe December and January as the middle of Brazilian summer and squarely within the country's rainy season, with Belo Horizonte specifically described by posters as usually running cooler than Rio de Janeiro at the same time of year. Posters describe Belo Horizonte overall as a smaller, more tranquil and noticeably less touristed city than Rio, with a relaxed, almost European feel that posters consistently rate as a real draw independent of the weather. Given the limited destination-specific granular detail for January, this note leans on that broader seasonal cue: expect warm, humid, rain-prone conditions typical of Brazilian summer, tempered somewhat by Belo Horizonte's inland, higher-elevation setting relative to the coast. Posters generally rate January as workable for a Belo Horizonte visit, warm and occasionally rainy rather than oppressively hot.
Forum posters call July/August genuinely ideal in Belo Horizonte - one trip report describes the weather as flatly 'perfect,' 24-26C with cooler evenings needing only a very light jacket, and the city running noticeably cooler than Brazil's coastal destinations at the same time of year. The one scheduling caveat: July is winter school vacation nationwide, so domestic travel picks up across all of Brazil's tourist spots, Belo Horizonte included. Posters consistently describe the city itself as smaller, safer and far less touristy than Rio, with a relaxed, almost European feel that makes it an easy, low-pressure winter destination.
Add your own note from Belo Horizonte's card on the map.
Belo Horizonte climate normals — September
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Belo Horizonte in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Shoulder seasonschool holidays in 2 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Belo Horizonte's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherBelo Horizonte's weather peaks June–August, best around July.
Best weatherFair weatherToughest weather
What's on in Belo Horizonte in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Dry winter
15 May – 15 Sep · usuallyDry seasonRain effectively stops for four months and the ring of hills round the city comes back into view. It is when people drive out to the serras and to Inhotim at weekends, and when the air gets noticeably dusty.
Where is Belo Horizonte?
Belo Horizonte in September — FAQ
- Is September a good time to visit Belo Horizonte?
- September in Belo Horizonte: hot, dry — an excellent time to visit. It ranks #5 of 12 months for Belo Horizonte on SeasonMap's comfort score (86/100).
- What is the weather like in Belo Horizonte in September?
- In September, Belo Horizonte averages a daily high of 29.2°C and a low of 16.9°C, with about 24.5 mm of rain over roughly 4.3 rainy days.
- What is the air quality in Belo Horizonte in September?
- Belo Horizonte has a mean US Air Quality Index of about 56 in September.