Climate averages 1991–2020
Managua weather
in September.
A hot, wet month: the joint 10th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Managua: daytime highs average 30.9°C and nights cool to about 24.2°C. By daytime temperature it is the joint 10th warmest of the 12 months.
Expect about 168 mm of rain on roughly 22 days, which makes September a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 12 min on an average September day.
The nearest other city in this atlas is Masaya (24 km away). In September its highs average 28.9°C, 1.9°C cooler than Managua, with 196 mm of rain.
Among the 7 cities listed in Nicaragua, Managua ranks 1st of 7 for the warmest September highs and 2nd of 7 for the driest September (rainfall, lowest first). The mean September high of those 7 cities is 29.1°C; Managua is 1.8°C warmer than that mean.
From September to October, average highs fall by 0.8°C to 30.1°C, and monthly rainfall rises from 168 mm to 187 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
Managua climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 32.7°C23.2°C | 23.2°C | 1.0 | 0.2 | 11.511 h |
| February | 33.7°C23.2°C | 23.2°C | 0.8 | 0.2 | 11.712 h |
| March | 34.9°C23.7°C | 23.7°C | 1.3 | 0.3 | 12.112 h |
| April | 35.7°C24.9°C | 24.9°C | 13 | 2.8 | 12.412 h |
| May | 33.3°C25.0°C | 25.0°C | 146 | 15.0 | 12.713 h |
| June | 31.1°C24.6°C | 24.6°C | 153 | 18.8 | 12.813 h |
| July | 31.5°C24.6°C | 24.6°C | 69 | 11.4 | 12.813 h |
| August | 31.8°C24.6°C | 24.6°C | 109 | 15.6 | 12.513 h |
| September, selected | 30.9°C24.2°C | 24.2°C | 168 | 21.9 | 12.212 h |
| October | 30.1°C23.9°C | 23.9°C | 187 | 21.0 | 11.912 h |
| November | 30.9°C23.7°C | 23.7°C | 46 | 6.7 | 11.612 h |
| December | 32.1°C23.6°C | 23.6°C | 4.6 | 0.7 | 11.411 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
- Masaya in SeptemberNicaragua · 24 kmHigh 28.9°C · Low 23.3°C · 196 mm rain
- Granada, Nicaragua in SeptemberNicaragua · 39 kmHigh 29.4°C · Low 24.5°C · 196 mm rain
- León, Nicaragua in SeptemberNicaragua · 76 kmHigh 29.7°C · Low 24.1°C · 370 mm rain
- Matagalpa in SeptemberNicaragua · 95 kmHigh 27.5°C · Low 20.6°C · 167 mm rain
- Estelí in SeptemberNicaragua · 107 kmHigh 27.3°C · Low 20.1°C · 227 mm rain
- Chinandega in SeptemberNicaragua · 110 kmHigh 29.9°C · Low 24.4°C · 384 mm rain
- Ciudad Choluteca in SeptemberHonduras · 165 kmHigh 31.3°C · Low 23.5°C · 425 mm rain
- Danlí in SeptemberHonduras · 214 kmHigh 28.2°C · Low 20.1°C · 171 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 Managua) is explained once on the Managua year overview and on the Sources, method and limits page.