Climate averages 1991–2020
Codó weather
in September.
A very hot, very dry month: the 2nd warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a very hot month in Codó: daytime highs average 35.2°C and nights cool to about 24.2°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 6.2 mm of rain on roughly 1 day, which makes September a very dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 05 min on an average September day.
The nearest other city in this atlas is Caxias (74 km away). In September its highs average 36.1°C, 0.9°C warmer than Codó, with 5.0 mm of rain.
Among the 448 cities listed in Brazil, Codó ranks joint 7th of 448 for the warmest September highs and 35th of 448 for the driest September (rainfall, lowest first). The mean September high of those 448 cities is 27.5°C; Codó is 7.6°C warmer than that mean.
From September to October, average highs rise by 0.3°C to 35.4°C, and monthly rainfall rises from 6.2 mm to 16 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
Codó climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.4°C23.2°C | 23.2°C | 226 | 24.2 | 12.312 h |
| February | 29.8°C22.9°C | 22.9°C | 252 | 24.4 | 12.312 h |
| March | 29.4°C22.9°C | 22.9°C | 315 | 28.6 | 12.112 h |
| April | 29.4°C22.9°C | 22.9°C | 263 | 26.4 | 12.012 h |
| May | 30.0°C23.1°C | 23.1°C | 121 | 16.9 | 11.912 h |
| June | 31.4°C23.0°C | 23.0°C | 26 | 4.8 | 11.912 h |
| July | 32.5°C23.1°C | 23.1°C | 10 | 2.2 | 11.912 h |
| August | 34.0°C23.5°C | 23.5°C | 3.7 | 0.7 | 12.012 h |
| September, selected | 35.2°C24.2°C | 24.2°C | 6.2 | 1.2 | 12.112 h |
| October | 35.4°C24.7°C | 24.7°C | 16 | 2.5 | 12.212 h |
| November | 34.3°C24.7°C | 24.7°C | 47 | 7.0 | 12.312 h |
| December | 32.9°C24.3°C | 24.3°C | 112 | 13.7 | 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
- Caxias in SeptemberBrazil · 74 kmHigh 36.1°C · Low 23.9°C · 5.0 mm rain
- Chapadinha in SeptemberBrazil · 98 kmHigh 34.9°C · Low 24.2°C · 3.5 mm rain
- Bacabal in SeptemberBrazil · 102 kmHigh 34.9°C · Low 24.7°C · 7.4 mm rain
- Teresina in SeptemberBrazil · 139 kmHigh 36.5°C · Low 24.1°C · 3.3 mm rain
- Santa Inês in SeptemberBrazil · 188 kmHigh 34.0°C · Low 24.3°C · 12 mm rain
- Barra do Corda in SeptemberBrazil · 190 kmHigh 34.9°C · Low 23.9°C · 10 mm rain
- São José de Ribamar in SeptemberBrazil · 212 kmHigh 30.1°C · Low 25.8°C · 11 mm rain
- São Luís in SeptemberBrazil · 219 kmHigh 31.2°C · Low 25.5°C · 11 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 Codó) is explained once on the Codó year overview and on the Sources, method and limits page.