Climate averages 1991–2020
Ouro Preto weather
in September.
A warm, moderately wet month: the joint 6th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Ouro Preto: daytime highs average 23.0°C and nights cool to about 12.9°C. By daytime temperature it is the joint 6th warmest of the 12 months.
Expect about 83 mm of rain on roughly 9 days, which makes September a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 58 min on an average September day.
The nearest other city in this atlas is Conselheiro Lafaiete (42 km away). In September its highs average 24.5°C, 1.5°C warmer than Ouro Preto, with 64 mm of rain.
Among the 448 cities listed in Brazil, Ouro Preto ranks joint 379th of 448 for the warmest September highs and joint 299th of 448 for the driest September (rainfall, lowest first). The mean September high of those 448 cities is 27.5°C; Ouro Preto is 4.5°C cooler than that mean.
From September to October, average highs rise by 0.6°C to 23.6°C, and monthly rainfall rises from 83 mm to 139 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Ouro Preto climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 24.5°C16.9°C | 16.9°C | 294 | 19.8 | 13.213 h |
| February | 24.9°C16.9°C | 16.9°C | 187 | 15.9 | 12.813 h |
| March | 23.9°C16.4°C | 16.4°C | 227 | 19.6 | 12.212 h |
| April | 22.7°C15.0°C | 15.0°C | 99 | 13.1 | 11.612 h |
| May | 20.8°C12.4°C | 12.4°C | 48 | 8.0 | 11.211 h |
| June | 20.1°C11.0°C | 11.0°C | 17 | 3.4 | 10.911 h |
| July | 20.1°C10.4°C | 10.4°C | 11 | 2.8 | 11.011 h |
| August | 21.5°C11.0°C | 11.0°C | 24 | 4.1 | 11.411 h |
| September, selected | 23.0°C12.9°C | 12.9°C | 83 | 9.4 | 12.012 h |
| October | 23.6°C14.7°C | 14.7°C | 139 | 15.3 | 12.513 h |
| November | 23.0°C15.6°C | 15.6°C | 283 | 21.7 | 13.113 h |
| December | 24.0°C16.7°C | 16.7°C | 340 | 24.2 | 13.313 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Conselheiro Lafaiete in SeptemberBrazil · 42 kmHigh 24.5°C · Low 13.6°C · 64 mm rain
- Nova Lima in SeptemberBrazil · 58 kmHigh 27.1°C · Low 15.7°C · 49 mm rain
- Sabará in SeptemberBrazil · 65 kmHigh 27.2°C · Low 16.1°C · 49 mm rain
- Belo Horizonte in SeptemberBrazil · 69 kmHigh 26.7°C · Low 15.2°C · 47 mm rain
- Ibirité in SeptemberBrazil · 71 kmHigh 26.6°C · Low 15.2°C · 47 mm rain
- João Monlevade in SeptemberBrazil · 74 kmHigh 26.0°C · Low 15.5°C · 46 mm rain
- Viçosa in SeptemberBrazil · 76 kmHigh 25.7°C · Low 16.1°C · 53 mm rain
- Contagem in SeptemberBrazil · 77 kmHigh 26.3°C · Low 15.1°C · 47 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Ouro Preto) is explained once on the Ouro Preto year overview and on the Sources, method and limits page.