Climate averages 1991–2020
Ārabī weather
in September.
A hot, very dry month: the joint 4th warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Ārabī: daytime highs average 32.8°C and nights cool to about 21.4°C. By daytime temperature it is the joint 4th warmest of the 12 months.
Expect about 4.0 mm of rain on roughly 1 day, which makes September a very dry month (the 2nd 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 Borama (76 km away). In September its highs average 29.1°C, 3.6°C cooler than Ārabī, with 13 mm of rain.
Among the 40 cities listed in Ethiopia, Ārabī ranks 2nd of 40 for the warmest September highs and 2nd of 40 for the driest September (rainfall, lowest first). The mean September high of those 40 cities is 23.6°C; Ārabī is 9.2°C warmer than that mean.
From September to October, average highs fall by 1.2°C to 31.6°C, and monthly rainfall rises from 4.0 mm to 13 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
Ārabī climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.5°C15.3°C | 15.3°C | 7.7 | 1.0 | 11.612 h |
| February | 30.2°C16.5°C | 16.5°C | 8.2 | 1.2 | 11.812 h |
| March | 31.7°C19.1°C | 19.1°C | 32 | 4.8 | 12.112 h |
| April | 32.1°C20.4°C | 20.4°C | 42 | 6.8 | 12.312 h |
| May | 33.2°C21.1°C | 21.1°C | 17 | 2.6 | 12.613 h |
| June | 34.0°C21.6°C | 21.6°C | 1.5 | 0.5 | 12.713 h |
| July | 33.2°C21.5°C | 21.5°C | 10 | 3.4 | 12.613 h |
| August | 32.8°C21.5°C | 21.5°C | 19 | 5.1 | 12.412 h |
| September, selected | 32.8°C21.4°C | 21.4°C | 4.0 | 1.2 | 12.212 h |
| October | 31.6°C18.7°C | 18.7°C | 13 | 2.3 | 11.912 h |
| November | 29.8°C16.9°C | 16.9°C | 9.5 | 1.3 | 11.712 h |
| December | 28.4°C15.3°C | 15.3°C | 4.5 | 0.7 | 11.612 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
- Borama in SeptemberSomalia · 76 kmHigh 29.1°C · Low 17.9°C · 13 mm rain
- Jijiga in SeptemberEthiopia · 76 kmHigh 25.2°C · Low 15.8°C · 30 mm rain
- Dire Dawa in SeptemberEthiopia · 80 kmHigh 30.2°C · Low 19.9°C · 110 mm rain
- Harar in SeptemberEthiopia · 83 kmHigh 23.4°C · Low 14.1°C · 71 mm rain
- Ruqi in SeptemberSomalia · 102 kmHigh 32.1°C · Low 20.8°C · 13 mm rain
- Gebiley in SeptemberSomalia · 127 kmHigh 28.6°C · Low 18.2°C · 23 mm rain
- Hargeysa in SeptemberSomalia · 178 kmHigh 30.3°C · Low 19.8°C · 14 mm rain
- Djibouti in SeptemberDjibouti · 194 kmHigh 36.6°C · Low 29.0°C · 9.6 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 Ārabī) is explained once on the Ārabī year overview and on the Sources, method and limits page.