Climate averages 1991–2020
Mek’ī weather
in September.
A warm, wet month: the 10th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Mek’ī: daytime highs average 24.4°C and nights cool to about 15.6°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 111 mm of rain on roughly 20 days, which makes September a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 10 min on an average September day.
The nearest other city in this atlas is Ziway (26 km away). In September its highs average 22.7°C, 1.7°C cooler than Mek’ī, with 114 mm of rain.
Among the 40 cities listed in Ethiopia, Mek’ī ranks joint 12th of 40 for the warmest September highs and 17th of 40 for the driest September (rainfall, lowest first). The mean September high of those 40 cities is 23.6°C; Mek’ī is 0.8°C warmer than that mean.
From September to October, average highs rise by 1.7°C to 26.1°C, and monthly rainfall falls from 111 mm to 32 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
Mek’ī climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.4°C14.4°C | 14.4°C | 9.5 | 2.0 | 11.712 h |
| February | 27.7°C15.5°C | 15.5°C | 11 | 2.2 | 11.912 h |
| March | 28.3°C16.8°C | 16.8°C | 40 | 6.1 | 12.112 h |
| April | 28.1°C17.2°C | 17.2°C | 66 | 9.7 | 12.312 h |
| May | 27.5°C16.9°C | 16.9°C | 66 | 10.0 | 12.512 h |
| June | 25.8°C16.5°C | 16.5°C | 44 | 10.5 | 12.613 h |
| July | 23.8°C15.9°C | 15.9°C | 107 | 23.8 | 12.513 h |
| August | 23.4°C15.7°C | 15.7°C | 146 | 27.1 | 12.412 h |
| September, selected | 24.4°C15.6°C | 15.6°C | 111 | 19.7 | 12.212 h |
| October | 26.1°C15.5°C | 15.5°C | 32 | 4.7 | 11.912 h |
| November | 26.1°C14.9°C | 14.9°C | 7.5 | 1.3 | 11.812 h |
| December | 25.8°C14.1°C | 14.1°C | 2.5 | 0.7 | 11.712 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
- Ziway in SeptemberEthiopia · 26 kmHigh 22.7°C · Low 15.6°C · 114 mm rain
- Butajīra in SeptemberEthiopia · 50 kmHigh 21.7°C · Low 12.9°C · 408 mm rain
- Nazrēt in SeptemberEthiopia · 67 kmHigh 26.7°C · Low 15.2°C · 62 mm rain
- Bishoftu in SeptemberEthiopia · 69 kmHigh 22.1°C · Low 12.1°C · 126 mm rain
- Sebeta in SeptemberEthiopia · 88 kmHigh 20.3°C · Low 10.2°C · 303 mm rain
- Arsi Negele in SeptemberEthiopia · 90 kmHigh 21.0°C · Low 13.2°C · 369 mm rain
- Addis Ababa in SeptemberEthiopia · 98 kmHigh 20.0°C · Low 10.3°C · 275 mm rain
- Waliso in SeptemberEthiopia · 103 kmHigh 20.3°C · Low 11.3°C · 286 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 Mek’ī) is explained once on the Mek’ī year overview and on the Sources, method and limits page.