Climate averages 1991–2020
Maceió weather
in September.
A warm, moderately wet month: the 10th warmest and the joint 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Maceió: daytime highs average 26.4°C and nights cool to about 22.6°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 68 mm of rain on roughly 20 days, which makes September a moderately wet month (the joint 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 03 min on an average September day.
The nearest other city in this atlas is Rio Largo (25 km away). In September its highs average 26.5°C, about as warm as Maceió, with 65 mm of rain.
Among the 448 cities listed in Brazil, Maceió ranks joint 268th of 448 for the warmest September highs and joint 247th of 448 for the driest September (rainfall, lowest first). The mean September high of those 448 cities is 27.5°C; Maceió is 1.1°C cooler than that mean.
From September to October, average highs rise by 1.1°C to 27.5°C, and monthly rainfall falls from 68 mm to 56 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
Maceió climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.0°C24.5°C | 24.5°C | 65 | 17.2 | 12.613 h |
| February | 29.1°C24.7°C | 24.7°C | 68 | 16.7 | 12.412 h |
| March | 29.2°C24.7°C | 24.7°C | 83 | 19.4 | 12.212 h |
| April | 28.6°C24.4°C | 24.4°C | 129 | 21.6 | 11.912 h |
| May | 27.6°C23.8°C | 23.8°C | 177 | 24.3 | 11.712 h |
| June | 26.5°C23.0°C | 23.0°C | 187 | 24.9 | 11.612 h |
| July | 25.8°C22.3°C | 22.3°C | 174 | 25.2 | 11.612 h |
| August | 25.8°C22.1°C | 22.1°C | 106 | 23.3 | 11.812 h |
| September, selected | 26.4°C22.6°C | 22.6°C | 68 | 19.5 | 12.012 h |
| October | 27.5°C23.4°C | 23.4°C | 56 | 16.9 | 12.312 h |
| November | 28.4°C23.9°C | 23.9°C | 40 | 13.6 | 12.513 h |
| December | 28.9°C24.4°C | 24.4°C | 36 | 12.6 | 12.713 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
- Rio Largo in SeptemberBrazil · 25 kmHigh 26.5°C · Low 21.1°C · 65 mm rain
- Arapiraca in SeptemberBrazil · 102 kmHigh 27.4°C · Low 19.9°C · 29 mm rain
- Garanhuns in SeptemberBrazil · 121 kmHigh 24.1°C · Low 16.1°C · 30 mm rain
- Caruaru in SeptemberBrazil · 156 kmHigh 26.6°C · Low 18.6°C · 19 mm rain
- Ipojuca in SeptemberBrazil · 159 kmHigh 26.8°C · Low 22.2°C · 58 mm rain
- Gravatá in SeptemberBrazil · 164 kmHigh 26.0°C · Low 19.2°C · 51 mm rain
- Belo Jardim in SeptemberBrazil · 166 kmHigh 27.8°C · Low 18.2°C · 8.2 mm rain
- Cabo de Santo Agostinho in SeptemberBrazil · 172 kmHigh 26.1°C · Low 22.8°C · 65 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 Maceió) is explained once on the Maceió year overview and on the Sources, method and limits page.