Climate averages 1991–2020
Al Diwaniyah weather
in September.
A very hot, very dry month: the 4th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a very hot month in Al Diwaniyah: daytime highs average 42.0°C and nights cool to about 27.0°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 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 24 min on an average September day.
The nearest other city in this atlas is Al-Qāsim (41 km away). In September its highs average 41.7°C, about as warm as Al Diwaniyah, with almost no rain (under 1 mm).
Among the 59 cities listed in Iraq, Al Diwaniyah ranks 13th 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; Al Diwaniyah is 2.8°C warmer than that mean.
From September to October, average highs fall by 6.6°C to 35.3°C, and monthly rainfall rises from under 1 mm to 3.5 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
Al Diwaniyah climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 17.3°C6.3°C | 6.3°C | 22 | 3.6 | 10.310 h |
| February | 20.3°C8.0°C | 8.0°C | 13 | 2.5 | 11.011 h |
| March | 26.0°C12.7°C | 12.7°C | 13 | 2.6 | 12.012 h |
| April | 32.4°C18.4°C | 18.4°C | 11 | 2.7 | 12.913 h |
| May | 38.8°C24.5°C | 24.5°C | 4.1 | 0.6 | 13.814 h |
| June | 43.4°C28.9°C | 28.9°C | 0 | 0.0 | 14.214 h |
| July | 45.4°C31.1°C | 31.1°C | 0 | 0.0 | 14.014 h |
| August | 45.7°C30.8°C | 30.8°C | 0 | 0.0 | 13.313 h |
| September, selected | 42.0°C27.0°C | 27.0°C | 0.2 | 0.1 | 12.412 h |
| October | 35.3°C21.4°C | 21.4°C | 3.5 | 1.0 | 11.411 h |
| November | 24.9°C13.1°C | 13.1°C | 20 | 3.0 | 10.611 h |
| December | 19.0°C7.9°C | 7.9°C | 18 | 3.4 | 10.110 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
- Al-Qāsim in SeptemberIraq · 41 kmHigh 41.7°C · Low 26.8°C · 0.3 mm rain
- Kufa in SeptemberIraq · 46 kmHigh 41.3°C · Low 26.5°C · 0.1 mm rain
- Najaf in SeptemberIraq · 55 kmHigh 40.8°C · Low 24.9°C · 0.2 mm rain
- Al Hillah in SeptemberIraq · 71 kmHigh 41.2°C · Low 26.6°C · 0.4 mm rain
- An Nu‘mānīyah in SeptemberIraq · 78 kmHigh 41.8°C · Low 26.9°C · 0.4 mm rain
- Abu Gharaq in SeptemberIraq · 81 kmHigh 41.0°C · Low 27.0°C · 0.3 mm rain
- As Samawah in SeptemberIraq · 81 kmHigh 42.1°C · Low 26.9°C · 0.2 mm rain
- Al Hindīyah in SeptemberIraq · 90 kmHigh 40.9°C · Low 26.4°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 Al Diwaniyah) is explained once on the Al Diwaniyah year overview and on the Sources, method and limits page.