Climate averages 1991–2020
Sanaa weather
in September.
A warm, fairly dry month: the 4th warmest and the 8th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Sanaa: daytime highs average 27.2°C and nights cool to about 14.7°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 22 mm of rain on roughly 6 days, which makes September a fairly dry month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 14 min on an average September day.
The nearest other city in this atlas is ‘Amrān (44 km away). In September its highs average 24.2°C, 2.9°C cooler than Sanaa, with 34 mm of rain.
Among the 8 cities listed in Yemen, Sanaa ranks 5th of 8 for the warmest September highs and 4th of 8 for the driest September (rainfall, lowest first). The mean September high of those 8 cities is 29.1°C; Sanaa is 1.9°C cooler than that mean.
From September to October, average highs fall by 3.0°C to 24.2°C, and monthly rainfall falls from 22 mm to 10 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
Sanaa climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 21.9°C9.4°C | 9.4°C | 6.5 | 1.6 | 11.311 h |
| February | 23.5°C10.5°C | 10.5°C | 6.3 | 1.6 | 11.612 h |
| March | 24.4°C12.0°C | 12.0°C | 21 | 5.4 | 12.012 h |
| April | 25.2°C13.8°C | 13.8°C | 44 | 8.2 | 12.512 h |
| May | 27.3°C15.4°C | 15.4°C | 41 | 8.1 | 12.813 h |
| June | 28.9°C16.3°C | 16.3°C | 17 | 4.9 | 13.013 h |
| July | 27.6°C16.1°C | 16.1°C | 58 | 13.2 | 12.913 h |
| August | 26.9°C15.8°C | 15.8°C | 112 | 22.1 | 12.613 h |
| September, selected | 27.2°C14.7°C | 14.7°C | 22 | 6.1 | 12.212 h |
| October | 24.2°C11.1°C | 11.1°C | 10 | 1.0 | 11.812 h |
| November | 22.4°C9.3°C | 9.3°C | 4.2 | 1.0 | 11.411 h |
| December | 21.7°C8.8°C | 8.8°C | 2.6 | 0.8 | 11.211 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
- ‘Amrān in SeptemberYemen · 44 kmHigh 24.2°C · Low 14.6°C · 34 mm rain
- Dhamār in SeptemberYemen · 93 kmHigh 23.5°C · Low 12.2°C · 35 mm rain
- Al Ḩudaydah in SeptemberYemen · 148 kmHigh 36.9°C · Low 29.3°C · 12 mm rain
- Ibb in SeptemberYemen · 154 kmHigh 25.1°C · Low 14.5°C · 113 mm rain
- Taiz in SeptemberYemen · 198 kmHigh 28.5°C · Low 19.9°C · 116 mm rain
- Najrān in SeptemberSaudi Arabia · 238 kmHigh 34.4°C · Low 19.7°C · 0.1 mm rain
- Jizan in SeptemberSaudi Arabia · 246 kmHigh 35.0°C · Low 30.0°C · 5.1 mm rain
- Şabyā in SeptemberSaudi Arabia · 261 kmHigh 35.7°C · Low 29.2°C · 28 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 Sanaa) is explained once on the Sanaa year overview and on the Sources, method and limits page.