Climate averages 1991–2020
Barra do Corda weather
in September.
A very hot, very dry month: the warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a very hot month in Barra do Corda: daytime highs average 34.9°C and nights cool to about 23.9°C. By daytime temperature it is the warmest month of the year.
Expect about 10 mm of rain on roughly 2 days, which makes September a very dry month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 04 min on an average September day.
The nearest other city in this atlas is Grajaú (105 km away). In September its highs average 34.4°C, about as warm as Barra do Corda, with 8.9 mm of rain.
Among the 448 cities listed in Brazil, Barra do Corda ranks joint 10th of 448 for the warmest September highs and joint 45th of 448 for the driest September (rainfall, lowest first). The mean September high of those 448 cities is 27.5°C; Barra do Corda is 7.3°C warmer than that mean.
From September to October, average highs fall by 0.5°C to 34.4°C, and monthly rainfall rises from 10 mm to 33 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
Barra do Corda climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.4°C22.8°C | 22.8°C | 213 | 26.1 | 12.412 h |
| February | 29.2°C22.7°C | 22.7°C | 208 | 24.1 | 12.312 h |
| March | 29.1°C22.8°C | 22.8°C | 225 | 27.0 | 12.112 h |
| April | 29.3°C22.8°C | 22.8°C | 162 | 22.8 | 12.012 h |
| May | 30.0°C22.7°C | 22.7°C | 84 | 12.6 | 11.912 h |
| June | 31.5°C22.5°C | 22.5°C | 11 | 2.6 | 11.812 h |
| July | 32.7°C22.5°C | 22.5°C | 6.6 | 0.9 | 11.812 h |
| August | 34.0°C23.0°C | 23.0°C | 2.5 | 0.4 | 11.912 h |
| September, selected | 34.9°C23.9°C | 23.9°C | 10 | 1.9 | 12.112 h |
| October | 34.4°C24.4°C | 24.4°C | 33 | 5.2 | 12.212 h |
| November | 32.7°C24.1°C | 24.1°C | 86 | 11.8 | 12.412 h |
| December | 31.2°C23.5°C | 23.5°C | 135 | 17.7 | 12.412 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
- Grajaú in SeptemberBrazil · 105 kmHigh 34.4°C · Low 23.5°C · 8.9 mm rain
- Bacabal in SeptemberBrazil · 151 kmHigh 34.9°C · Low 24.7°C · 7.4 mm rain
- Codó in SeptemberBrazil · 190 kmHigh 35.2°C · Low 24.2°C · 6.2 mm rain
- Santa Inês in SeptemberBrazil · 205 kmHigh 34.0°C · Low 24.3°C · 12 mm rain
- Caxias in SeptemberBrazil · 221 kmHigh 36.1°C · Low 23.9°C · 5.0 mm rain
- Balsas in SeptemberBrazil · 242 kmHigh 35.1°C · Low 24.1°C · 8.6 mm rain
- Imperatriz in SeptemberBrazil · 249 kmHigh 34.5°C · Low 24.5°C · 9.6 mm rain
- Açailândia in SeptemberBrazil · 258 kmHigh 33.6°C · Low 22.9°C · 14 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 Barra do Corda) is explained once on the Barra do Corda year overview and on the Sources, method and limits page.