Climate averages 1991–2020
Bosaso weather
in September.
A very hot, very dry month: the 4th warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a very hot month in Bosaso: daytime highs average 35.6°C and nights cool to about 28.7°C. By daytime temperature it is the 4th warmest of the 12 months.
Rain is very rare: less than 1 mm falls in a typical September (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 12 min on an average September day.
The nearest other city in this atlas is El Dibir (228 km away). In September its highs average 32.5°C, 3.1°C cooler than Bosaso, with almost no rain (under 1 mm).
Among the 14 cities listed in Somalia, Bosaso ranks 2nd of 14 for the warmest September highs and 2nd of 14 for the driest September (rainfall, lowest first). The mean September high of those 14 cities is 31.4°C; Bosaso is 4.2°C warmer than that mean.
From September to October, average highs fall by 4.6°C to 31.0°C, and monthly rainfall rises from under 1 mm to 8.2 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
Bosaso climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.8°C20.5°C | 20.5°C | 1.3 | 0.3 | 11.512 h |
| February | 27.7°C20.9°C | 20.9°C | 2.0 | 0.2 | 11.812 h |
| March | 30.3°C22.6°C | 22.6°C | 1.6 | 0.5 | 12.112 h |
| April | 32.5°C25.1°C | 25.1°C | 6.9 | 1.5 | 12.412 h |
| May | 34.0°C27.4°C | 27.4°C | 6.9 | 1.8 | 12.613 h |
| June | 36.6°C30.1°C | 30.1°C | 1.8 | 0.1 | 12.813 h |
| July | 37.0°C30.2°C | 30.2°C | 0.3 | 0.0 | 12.713 h |
| August | 36.8°C30.5°C | 30.5°C | 0.1 | 0.0 | 12.512 h |
| September, selected | 35.6°C28.7°C | 28.7°C | 0.2 | 0.0 | 12.212 h |
| October | 31.0°C24.1°C | 24.1°C | 8.2 | 1.8 | 11.912 h |
| November | 28.4°C22.2°C | 22.2°C | 13 | 2.2 | 11.612 h |
| December | 27.0°C21.2°C | 21.2°C | 10 | 1.4 | 11.511 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
- El Dibir in SeptemberSomalia · 228 kmHigh 32.5°C · Low 26.6°C · 0.1 mm rain
- Mukalla in SeptemberYemen · 362 kmHigh 33.1°C · Low 26.9°C · 5.7 mm rain
- Burao in SeptemberSomalia · 444 kmHigh 31.2°C · Low 21.0°C · 6.0 mm rain
- Berbera in SeptemberSomalia · 465 kmHigh 36.6°C · Low 28.9°C · 3.9 mm rain
- Aden in SeptemberYemen · 480 kmHigh 33.9°C · Low 28.0°C · 16 mm rain
- Hargeysa in SeptemberSomalia · 591 kmHigh 30.3°C · Low 19.8°C · 14 mm rain
- Taiz in SeptemberYemen · 616 kmHigh 28.5°C · Low 19.9°C · 116 mm rain
- Ibb in SeptemberYemen · 619 kmHigh 25.1°C · Low 14.5°C · 113 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 Bosaso) is explained once on the Bosaso year overview and on the Sources, method and limits page.