Climate averages 1991–2020
Horizonte weather
in September.
A hot, very dry month: the warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Horizonte: daytime highs average 32.4°C and nights cool to about 23.3°C. By daytime temperature it is the warmest month of the year.
Expect about 3.7 mm of rain on roughly 1 day, which makes September a very dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 05 min on an average September day.
The nearest other city in this atlas is Pacajus (9 km away). In September its highs average 32.9°C, 0.6°C warmer than Horizonte, with 2.6 mm of rain.
Among the 448 cities listed in Brazil, Horizonte ranks joint 57th of 448 for the warmest September highs and joint 29th of 448 for the driest September (rainfall, lowest first). The mean September high of those 448 cities is 27.5°C; Horizonte is 4.8°C warmer than that mean.
From September to October, average highs fall by 0.1°C to 32.3°C, and monthly rainfall rises from 3.7 mm to 5.7 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
Horizonte climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.4°C23.7°C | 23.7°C | 98 | 18.0 | 12.312 h |
| February | 29.8°C23.5°C | 23.5°C | 135 | 20.4 | 12.212 h |
| March | 29.4°C23.4°C | 23.4°C | 195 | 25.5 | 12.112 h |
| April | 29.1°C23.3°C | 23.3°C | 235 | 25.4 | 12.012 h |
| May | 29.5°C23.2°C | 23.2°C | 127 | 19.8 | 11.912 h |
| June | 29.5°C22.8°C | 22.8°C | 63 | 13.2 | 11.912 h |
| July | 30.3°C22.6°C | 22.6°C | 33 | 7.0 | 11.912 h |
| August | 31.9°C22.8°C | 22.8°C | 7.2 | 2.1 | 12.012 h |
| September, selected | 32.4°C23.3°C | 23.3°C | 3.7 | 1.1 | 12.112 h |
| October | 32.3°C23.8°C | 23.8°C | 5.7 | 1.5 | 12.212 h |
| November | 32.1°C24.1°C | 24.1°C | 8.4 | 3.0 | 12.312 h |
| December | 31.5°C24.2°C | 24.2°C | 30 | 9.4 | 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
- Pacajus in SeptemberBrazil · 9 kmHigh 32.9°C · Low 23.3°C · 2.6 mm rain
- Pacatuba in SeptemberBrazil · 20 kmHigh 32.5°C · Low 23.7°C · 3.7 mm rain
- Eusébio in SeptemberBrazil · 23 kmHigh 31.2°C · Low 24.1°C · 3.7 mm rain
- Cascavel, Brazil in SeptemberBrazil · 27 kmHigh 30.2°C · Low 24.2°C · 2.5 mm rain
- Maracanaú in SeptemberBrazil · 29 kmHigh 31.9°C · Low 24.0°C · 2.6 mm rain
- Maranguape in SeptemberBrazil · 32 kmHigh 32.2°C · Low 23.9°C · 2.6 mm rain
- Fortaleza in SeptemberBrazil · 43 kmHigh 30.2°C · Low 24.4°C · 3.6 mm rain
- Caucaia in SeptemberBrazil · 44 kmHigh 30.5°C · Low 24.4°C · 1.5 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 Horizonte) is explained once on the Horizonte year overview and on the Sources, method and limits page.
Pacatuba and Eusébio lie in the same rainfall cell, so their rainfall figures are identical to these; temperatures differ because they come from smaller 0.1° cells.