Climate averages 1991–2020
Sumbe weather
in September.
A warm, very dry month: the 10th warmest and the 3rd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Sumbe: daytime highs average 25.6°C and nights cool to about 20.4°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 1.2 mm of rain on fewer than one day, which makes September a very dry month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 02 min on an average September day.
The nearest other city in this atlas is Porto Amboim (53 km away). In September its highs average 23.6°C, 1.9°C cooler than Sumbe, with 1.5 mm of rain.
Among the 47 cities listed in Angola, Sumbe ranks 42nd of 47 for the warmest September highs and 4th of 47 for the driest September (rainfall, lowest first). The mean September high of those 47 cities is 29.0°C; Sumbe is 3.4°C cooler than that mean.
From September to October, average highs rise by 1.5°C to 27.1°C, and monthly rainfall rises from 1.2 mm to 6.3 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
Sumbe climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.6°C23.9°C | 23.9°C | 35 | 4.2 | 12.713 h |
| February | 29.4°C24.6°C | 24.6°C | 39 | 5.0 | 12.512 h |
| March | 29.0°C24.9°C | 24.9°C | 128 | 10.5 | 12.212 h |
| April | 28.6°C25.0°C | 25.0°C | 53 | 6.6 | 11.912 h |
| May | 28.3°C23.9°C | 23.9°C | 1.6 | 0.3 | 11.612 h |
| June | 26.0°C21.1°C | 21.1°C | 1.6 | 0.1 | 11.511 h |
| July | 24.4°C19.5°C | 19.5°C | 1.1 | 0.0 | 11.512 h |
| August | 24.3°C19.1°C | 19.1°C | 0.1 | 0.0 | 11.712 h |
| September, selected | 25.6°C20.4°C | 20.4°C | 1.2 | 0.4 | 12.012 h |
| October | 27.1°C22.5°C | 22.5°C | 6.3 | 1.7 | 12.312 h |
| November | 27.8°C23.9°C | 23.9°C | 23 | 4.0 | 12.613 h |
| December | 28.2°C23.9°C | 23.9°C | 31 | 4.5 | 12.813 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
- Porto Amboim in SeptemberAngola · 53 kmHigh 23.6°C · Low 20.3°C · 1.5 mm rain
- Gabela in SeptemberAngola · 71 kmHigh 26.3°C · Low 16.2°C · 34 mm rain
- Lobito in SeptemberAngola · 133 kmHigh 25.8°C · Low 19.8°C · 0.6 mm rain
- Cela in SeptemberAngola · 142 kmHigh 30.3°C · Low 16.2°C · 36 mm rain
- Bocoio in SeptemberAngola · 144 kmHigh 29.2°C · Low 15.8°C · 27 mm rain
- Benguela in SeptemberAngola · 160 kmHigh 25.4°C · Low 19.5°C · 1.8 mm rain
- Balombo in SeptemberAngola · 163 kmHigh 31.9°C · Low 16.1°C · 45 mm rain
- Baía Farta in SeptemberAngola · 171 kmHigh 23.9°C · Low 19.6°C · 0.6 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 Sumbe) is explained once on the Sumbe year overview and on the Sources, method and limits page.