Climate averages 1991–2020
Bayjī weather
in September.
A very hot, very dry month: the 4th warmest and the joint 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a very hot month in Bayjī: daytime highs average 38.9°C and nights cool to about 24.8°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 joint 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 26 min on an average September day.
The nearest other city in this atlas is Ash Sharqāt (70 km away). In September its highs average 38.0°C, 1.0°C cooler than Bayjī, with almost no rain (under 1 mm).
Among the 59 cities listed in Iraq, Bayjī ranks 38th of 59 for the warmest September highs and joint 4th of 59 for the driest September (rainfall, lowest first). The mean September high of those 59 cities is 39.2°C; Bayjī is 0.2°C cooler than that mean.
From September to October, average highs fall by 6.9°C to 32.0°C, and monthly rainfall rises from under 1 mm to 15 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
Bayjī climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 13.9°C4.4°C | 4.4°C | 39 | 6.5 | 10.110 h |
| February | 16.5°C5.7°C | 5.7°C | 32 | 6.0 | 10.911 h |
| March | 22.0°C9.6°C | 9.6°C | 35 | 5.5 | 11.912 h |
| April | 28.5°C15.1°C | 15.1°C | 23 | 4.0 | 13.013 h |
| May | 35.3°C21.3°C | 21.3°C | 6.2 | 1.4 | 14.014 h |
| June | 40.7°C26.6°C | 26.6°C | 0.1 | 0.0 | 14.514 h |
| July | 43.6°C29.6°C | 29.6°C | 0.2 | 0.1 | 14.314 h |
| August | 43.4°C29.2°C | 29.2°C | 0.1 | 0.0 | 13.513 h |
| September, selected | 38.9°C24.8°C | 24.8°C | 0.2 | 0.0 | 12.412 h |
| October | 32.0°C19.1°C | 19.1°C | 15 | 1.9 | 11.311 h |
| November | 21.8°C10.9°C | 10.9°C | 27 | 4.3 | 10.410 h |
| December | 15.6°C6.1°C | 6.1°C | 35 | 5.8 | 9.910 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
- Ash Sharqāt in SeptemberIraq · 70 kmHigh 38.0°C · Low 23.6°C · 0.3 mm rain
- Sāmarrā’ in SeptemberIraq · 89 kmHigh 39.6°C · Low 24.9°C · 0.3 mm rain
- Kirkuk in SeptemberIraq · 102 kmHigh 37.6°C · Low 22.8°C · 0.8 mm rain
- Ţūz Khūrmātū in SeptemberIraq · 104 kmHigh 38.6°C · Low 24.5°C · 0.5 mm rain
- Erbil in SeptemberIraq · 148 kmHigh 36.3°C · Low 20.8°C · 0.7 mm rain
- Xebat in SeptemberIraq · 151 kmHigh 36.6°C · Low 21.1°C · 0.5 mm rain
- Khasnahzān in SeptemberIraq · 153 kmHigh 34.8°C · Low 19.0°C · 2.0 mm rain
- Khāliş in SeptemberIraq · 157 kmHigh 40.7°C · Low 26.8°C · 0.3 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 Bayjī) is explained once on the Bayjī year overview and on the Sources, method and limits page.