Climate averages 1991–2020
Īlām weather
in September.
A 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 hot month in Īlām: daytime highs average 30.9°C and nights cool to about 16.7°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 1.1 mm of rain on fewer than one day, which makes September a very dry month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 25 min on an average September day.
The nearest other city in this atlas is Eslāmābād-e Gharb (53 km away). In September its highs average 31.3°C, about as warm as Īlām, with 1.5 mm of rain.
Among the 128 cities listed in Iran, Īlām ranks joint 55th of 128 for the warmest September highs and joint 54th of 128 for the driest September (rainfall, lowest first). The mean September high of those 128 cities is 31.0°C; Īlām is 0.1°C cooler than that mean.
From September to October, average highs fall by 7.0°C to 23.9°C, and monthly rainfall rises from 1.1 mm to 31 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
Īlām climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.3°C-1.7°C | -1.7°C | 89 | 9.8 | 10.210 h |
| February | 8.9°C-0.8°C | -0.8°C | 88 | 10.6 | 11.011 h |
| March | 13.2°C2.8°C | 2.8°C | 96 | 11.1 | 12.012 h |
| April | 18.9°C7.5°C | 7.5°C | 67 | 9.4 | 13.013 h |
| May | 25.7°C12.7°C | 12.7°C | 21 | 4.9 | 13.914 h |
| June | 32.2°C17.7°C | 17.7°C | 1.0 | 0.3 | 14.314 h |
| July | 35.3°C20.8°C | 20.8°C | 0.3 | 0.1 | 14.214 h |
| August | 35.3°C20.6°C | 20.6°C | 0.2 | 0.0 | 13.413 h |
| September, selected | 30.9°C16.7°C | 16.7°C | 1.1 | 0.3 | 12.412 h |
| October | 23.9°C11.8°C | 11.8°C | 31 | 4.2 | 11.411 h |
| November | 14.7°C4.9°C | 4.9°C | 73 | 7.9 | 10.510 h |
| December | 9.8°C0.7°C | 0.7°C | 78 | 8.6 | 10.010 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
- Eslāmābād-e Gharb in SeptemberIran · 53 kmHigh 31.3°C · Low 16.8°C · 1.5 mm rain
- Kermanshah in SeptemberIran · 96 kmHigh 31.4°C · Low 16.5°C · 1.0 mm rain
- Kūhdasht in SeptemberIran · 111 kmHigh 32.5°C · Low 14.6°C · 1.3 mm rain
- Khānaqīn in SeptemberIraq · 124 kmHigh 39.3°C · Low 23.9°C · 0.3 mm rain
- Al-Kut in SeptemberIraq · 137 kmHigh 41.8°C · Low 27.3°C · 0.4 mm rain
- Al Miqdādīyah in SeptemberIraq · 142 kmHigh 40.6°C · Low 26.2°C · 0.4 mm rain
- Kelar in SeptemberIraq · 150 kmHigh 39.0°C · Low 24.0°C · 0.7 mm rain
- An Nu‘mānīyah in SeptemberIraq · 153 kmHigh 41.8°C · Low 26.9°C · 0.4 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 Īlām) is explained once on the Īlām year overview and on the Sources, method and limits page.