Climate averages 1991–2020
Ibb weather
in September.
A warm, wet month: the 6th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Ibb: daytime highs average 25.1°C and nights cool to about 14.5°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 113 mm of rain on roughly 18 days, which makes September a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 13 min on an average September day.
The nearest other city in this atlas is Taiz (46 km away). In September its highs average 28.5°C, 3.4°C warmer than Ibb, with 116 mm of rain.
Among the 8 cities listed in Yemen, Ibb ranks 6th of 8 for the warmest September highs and 7th of 8 for the driest September (rainfall, lowest first). The mean September high of those 8 cities is 29.1°C; Ibb is 3.9°C cooler than that mean.
From September to October, average highs fall by 0.2°C to 24.9°C, and monthly rainfall falls from 113 mm to 27 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
Ibb climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 23.0°C11.1°C | 11.1°C | 11 | 3.1 | 11.411 h |
| February | 24.6°C11.9°C | 11.9°C | 13 | 2.5 | 11.712 h |
| March | 25.6°C13.1°C | 13.1°C | 40 | 6.7 | 12.012 h |
| April | 26.1°C14.2°C | 14.2°C | 61 | 8.4 | 12.412 h |
| May | 26.8°C15.2°C | 15.2°C | 87 | 13.6 | 12.813 h |
| June | 27.1°C15.9°C | 15.9°C | 85 | 17.5 | 12.913 h |
| July | 26.0°C16.7°C | 16.7°C | 157 | 24.4 | 12.913 h |
| August | 24.8°C16.5°C | 16.5°C | 241 | 29.5 | 12.613 h |
| September, selected | 25.1°C14.5°C | 14.5°C | 113 | 17.7 | 12.212 h |
| October | 24.9°C12.1°C | 12.1°C | 27 | 4.9 | 11.812 h |
| November | 24.0°C11.1°C | 11.1°C | 7.3 | 1.4 | 11.511 h |
| December | 23.1°C10.8°C | 10.8°C | 5.4 | 1.4 | 11.311 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
- Taiz in SeptemberYemen · 46 kmHigh 28.5°C · Low 19.9°C · 116 mm rain
- Dhamār in SeptemberYemen · 68 kmHigh 23.5°C · Low 12.2°C · 35 mm rain
- Sanaa in SeptemberYemen · 154 kmHigh 27.2°C · Low 14.7°C · 22 mm rain
- Aden in SeptemberYemen · 161 kmHigh 33.9°C · Low 28.0°C · 16 mm rain
- Al Ḩudaydah in SeptemberYemen · 161 kmHigh 36.9°C · Low 29.3°C · 12 mm rain
- ‘Amrān in SeptemberYemen · 190 kmHigh 24.2°C · Low 14.6°C · 34 mm rain
- Djibouti in SeptemberDjibouti · 287 kmHigh 36.6°C · Low 29.0°C · 9.6 mm rain
- Jizan in SeptemberSaudi Arabia · 369 kmHigh 35.0°C · Low 30.0°C · 5.1 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 Ibb) is explained once on the Ibb year overview and on the Sources, method and limits page.