Climate averages 1991–2020
Longonjo weather
in September.
A hot, fairly dry month: the warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Longonjo: daytime highs average 30.7°C and nights cool to about 14.4°C. By daytime temperature it is the warmest month of the year.
Expect about 24 mm of rain on roughly 4 days, which makes September a fairly dry month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 01 min on an average September day.
The nearest other city in this atlas is Caála (34 km away). In September its highs average 28.7°C, 1.9°C cooler than Longonjo, with 30 mm of rain.
Among the 47 cities listed in Angola, Longonjo ranks joint 13th of 47 for the warmest September highs and 31st of 47 for the driest September (rainfall, lowest first). The mean September high of those 47 cities is 29.0°C; Longonjo is 1.7°C warmer than that mean.
From September to October, average highs fall by 2.2°C to 28.5°C, and monthly rainfall rises from 24 mm to 154 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
Longonjo climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 24.6°C15.6°C | 15.6°C | 203 | 20.3 | 12.813 h |
| February | 25.3°C15.8°C | 15.8°C | 193 | 18.1 | 12.513 h |
| March | 25.2°C15.8°C | 15.8°C | 227 | 23.8 | 12.212 h |
| April | 25.7°C14.5°C | 14.5°C | 82 | 13.4 | 11.812 h |
| May | 26.8°C12.1°C | 12.1°C | 3.8 | 1.0 | 11.512 h |
| June | 26.6°C9.7°C | 9.7°C | 0.1 | 0.0 | 11.411 h |
| July | 27.0°C9.4°C | 9.4°C | 0 | 0.0 | 11.411 h |
| August | 29.5°C11.8°C | 11.8°C | 1.5 | 0.2 | 11.712 h |
| September, selected | 30.7°C14.4°C | 14.4°C | 24 | 4.2 | 12.012 h |
| October | 28.5°C15.7°C | 15.7°C | 154 | 19.5 | 12.412 h |
| November | 25.7°C15.8°C | 15.8°C | 257 | 24.8 | 12.713 h |
| December | 24.6°C15.8°C | 15.8°C | 243 | 23.2 | 12.913 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
- Caála in SeptemberAngola · 34 kmHigh 28.7°C · Low 13.6°C · 30 mm rain
- Ecunna in SeptemberAngola · 38 kmHigh 28.5°C · Low 14.0°C · 30 mm rain
- Huambo in SeptemberAngola · 55 kmHigh 28.8°C · Low 13.8°C · 23 mm rain
- Balombo in SeptemberAngola · 80 kmHigh 31.9°C · Low 16.1°C · 45 mm rain
- Cubal in SeptemberAngola · 110 kmHigh 32.3°C · Low 16.3°C · 6.9 mm rain
- Catchiungo in SeptemberAngola · 113 kmHigh 28.4°C · Low 14.1°C · 35 mm rain
- Bocoio in SeptemberAngola · 130 kmHigh 29.2°C · Low 15.8°C · 27 mm rain
- Cela in SeptemberAngola · 166 kmHigh 30.3°C · Low 16.2°C · 36 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 Longonjo) is explained once on the Longonjo year overview and on the Sources, method and limits page.