Climate averages 1991–2020
Al Ḩayy 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 Ḩayy: daytime highs average 42.2°C and nights cool to about 27.8°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 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 Qal‘at Sukkar (35 km away). In September its highs average 42.3°C, about as warm as Al Ḩayy, with almost no rain (under 1 mm).
Among the 59 cities listed in Iraq, Al Ḩayy ranks 11th of 59 for the warmest September highs and joint 30th of 59 for the driest September (rainfall, lowest first). The mean September high of those 59 cities is 39.2°C; Al Ḩayy is 3.0°C warmer than that mean.
From September to October, average highs fall by 6.7°C to 35.5°C, and monthly rainfall rises from under 1 mm to 6.4 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 Ḩayy climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 17.1°C7.1°C | 7.1°C | 32 | 4.9 | 10.310 h |
| February | 20.1°C8.6°C | 8.6°C | 22 | 3.7 | 11.011 h |
| March | 25.8°C13.0°C | 13.0°C | 23 | 3.6 | 12.012 h |
| April | 32.3°C18.7°C | 18.7°C | 18 | 3.1 | 12.913 h |
| May | 39.0°C24.9°C | 24.9°C | 7.3 | 0.9 | 13.814 h |
| June | 43.9°C29.8°C | 29.8°C | 0 | 0.0 | 14.214 h |
| July | 46.0°C32.2°C | 32.2°C | 0 | 0.0 | 14.014 h |
| August | 46.1°C31.9°C | 31.9°C | 0.1 | 0.0 | 13.313 h |
| September, selected | 42.2°C27.8°C | 27.8°C | 0.4 | 0.2 | 12.412 h |
| October | 35.5°C22.0°C | 22.0°C | 6.4 | 1.3 | 11.411 h |
| November | 25.0°C14.0°C | 14.0°C | 32 | 3.5 | 10.511 h |
| December | 18.8°C8.9°C | 8.9°C | 31 | 4.8 | 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
- Qal‘at Sukkar in SeptemberIraq · 35 kmHigh 42.3°C · Low 27.8°C · 0.2 mm rain
- Al-Kut in SeptemberIraq · 43 kmHigh 41.8°C · Low 27.3°C · 0.4 mm rain
- An Nu‘mānīyah in SeptemberIraq · 73 kmHigh 41.8°C · Low 26.9°C · 0.4 mm rain
- Ash Shaţrah in SeptemberIraq · 86 kmHigh 42.6°C · Low 27.6°C · 0.2 mm rain
- Al Diwaniyah in SeptemberIraq · 107 kmHigh 42.0°C · Low 27.0°C · 0.2 mm rain
- Al ‘Amārah in SeptemberIraq · 110 kmHigh 42.7°C · Low 27.5°C · 0.3 mm rain
- As Samawah in SeptemberIraq · 117 kmHigh 42.1°C · Low 26.9°C · 0.2 mm rain
- Nasiriyah in SeptemberIraq · 126 kmHigh 42.6°C · Low 27.6°C · 0.2 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 Ḩayy) is explained once on the Al Ḩayy year overview and on the Sources, method and limits page.