Climate averages 1991–2020
Corumbá weather
in September.
A hot, moderately wet month: the 2nd warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Corumbá: daytime highs average 32.4°C and nights cool to about 21.4°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 51 mm of rain on roughly 7 days, which makes September a moderately wet month (the 4th 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 Cáceres, Brazil (327 km away). In September its highs average 34.0°C, 1.5°C warmer than Corumbá, with 35 mm of rain.
Among the 448 cities listed in Brazil, Corumbá ranks joint 57th of 448 for the warmest September highs and joint 178th of 448 for the driest September (rainfall, lowest first). The mean September high of those 448 cities is 27.5°C; Corumbá is 4.9°C warmer than that mean.
From September to October, average highs rise by 0.3°C to 32.7°C, and monthly rainfall rises from 51 mm to 109 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
Corumbá climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 31.8°C24.5°C | 24.5°C | 178 | 20.3 | 13.113 h |
| February | 31.1°C24.2°C | 24.2°C | 164 | 19.9 | 12.713 h |
| March | 30.9°C23.9°C | 23.9°C | 139 | 17.8 | 12.212 h |
| April | 30.1°C22.3°C | 22.3°C | 71 | 9.9 | 11.712 h |
| May | 27.7°C19.5°C | 19.5°C | 61 | 6.9 | 11.211 h |
| June | 27.4°C18.3°C | 18.3°C | 23 | 3.8 | 11.011 h |
| July | 27.7°C17.3°C | 17.3°C | 22 | 3.2 | 11.111 h |
| August | 30.6°C19.1°C | 19.1°C | 25 | 3.2 | 11.511 h |
| September, selected | 32.4°C21.4°C | 21.4°C | 51 | 6.7 | 12.012 h |
| October | 32.7°C23.7°C | 23.7°C | 109 | 13.4 | 12.513 h |
| November | 31.9°C23.8°C | 23.8°C | 145 | 15.2 | 13.013 h |
| December | 32.0°C24.5°C | 24.5°C | 160 | 19.0 | 13.213 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
- Cáceres, Brazil in SeptemberBrazil · 327 kmHigh 34.0°C · Low 23.1°C · 35 mm rain
- Campo Grande in SeptemberBrazil · 353 kmHigh 30.0°C · Low 19.7°C · 80 mm rain
- Cuiabá in SeptemberBrazil · 414 kmHigh 33.7°C · Low 22.6°C · 47 mm rain
- Rondonópolis in SeptemberBrazil · 426 kmHigh 34.3°C · Low 22.4°C · 43 mm rain
- Ponta Porã in SeptemberBrazil · 440 kmHigh 27.4°C · Low 17.0°C · 104 mm rain
- Dourados in SeptemberBrazil · 464 kmHigh 28.9°C · Low 17.8°C · 92 mm rain
- Tangará da Serra in SeptemberBrazil · 488 kmHigh 32.3°C · Low 21.2°C · 56 mm rain
- Mineiros in SeptemberBrazil · 562 kmHigh 30.6°C · Low 19.0°C · 58 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 Corumbá) is explained once on the Corumbá year overview and on the Sources, method and limits page.