Climate averages 1991–2020
Debre Mark’os weather
in September.
A mild, very wet month: the 10th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a mild month in Debre Mark’os: daytime highs average 19.6°C and nights cool to about 10.5°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 390 mm of rain on roughly 28 days, which makes September a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 11 min on an average September day.
The nearest other city in this atlas is Bahir Dar (143 km away). In September its highs average 22.5°C, 2.9°C warmer than Debre Mark’os, with 248 mm of rain.
Among the 40 cities listed in Ethiopia, Debre Mark’os ranks 38th of 40 for the warmest September highs and 38th of 40 for the driest September (rainfall, lowest first). The mean September high of those 40 cities is 23.6°C; Debre Mark’os is 4.1°C cooler than that mean.
From September to October, average highs rise by 1.5°C to 21.0°C, and monthly rainfall falls from 390 mm to 126 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
Debre Mark’os climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 22.6°C9.6°C | 9.6°C | 13 | 3.0 | 11.612 h |
| February | 24.1°C10.7°C | 10.7°C | 20 | 4.1 | 11.812 h |
| March | 24.2°C11.6°C | 11.6°C | 68 | 11.5 | 12.112 h |
| April | 24.0°C12.3°C | 12.3°C | 137 | 14.8 | 12.412 h |
| May | 22.8°C11.8°C | 11.8°C | 269 | 21.4 | 12.613 h |
| June | 20.2°C11.3°C | 11.3°C | 380 | 29.3 | 12.713 h |
| July | 18.3°C11.3°C | 11.3°C | 425 | 30.9 | 12.713 h |
| August | 18.4°C11.2°C | 11.2°C | 417 | 31.0 | 12.512 h |
| September, selected | 19.6°C10.5°C | 10.5°C | 390 | 28.1 | 12.212 h |
| October | 21.0°C9.6°C | 9.6°C | 126 | 11.5 | 11.912 h |
| November | 21.4°C9.1°C | 9.1°C | 46 | 6.8 | 11.712 h |
| December | 21.8°C8.9°C | 8.9°C | 12 | 2.9 | 11.512 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
- Bahir Dar in SeptemberEthiopia · 143 kmHigh 22.5°C · Low 15.2°C · 248 mm rain
- Hāgere Hiywet in SeptemberEthiopia · 153 kmHigh 21.9°C · Low 13.3°C · 434 mm rain
- Addis Ababa in SeptemberEthiopia · 185 kmHigh 20.0°C · Low 10.3°C · 275 mm rain
- Sebeta in SeptemberEthiopia · 186 kmHigh 20.3°C · Low 10.2°C · 303 mm rain
- Waliso in SeptemberEthiopia · 204 kmHigh 20.3°C · Low 11.3°C · 286 mm rain
- Debre Birhan in SeptemberEthiopia · 211 kmHigh 18.0°C · Low 9.7°C · 252 mm rain
- Bishoftu in SeptemberEthiopia · 224 kmHigh 22.1°C · Low 12.1°C · 126 mm rain
- Dessie in SeptemberEthiopia · 225 kmHigh 20.0°C · Low 9.7°C · 59 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 Debre Mark’os) is explained once on the Debre Mark’os year overview and on the Sources, method and limits page.