Climate averages 1991–2020
Īz̄eh 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 Īz̄eh: daytime highs average 35.8°C and nights cool to about 20.1°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 23 min on an average September day.
The nearest other city in this atlas is Masjed Soleymān (55 km away). In September its highs average 41.0°C, 5.2°C warmer than Īz̄eh, with 1.0 mm of rain.
Among the 128 cities listed in Iran, Īz̄eh ranks 22nd of 128 for the warmest September highs and joint 24th of 128 for the driest September (rainfall, lowest first). The mean September high of those 128 cities is 31.0°C; Īz̄eh is 4.7°C warmer than that mean.
From September to October, average highs fall by 6.5°C to 29.3°C, and monthly rainfall rises from under 1 mm to 13 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
Īz̄eh climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 12.1°C1.0°C | 1.0°C | 148 | 12.3 | 10.310 h |
| February | 13.9°C2.3°C | 2.3°C | 116 | 10.6 | 11.011 h |
| March | 18.1°C5.8°C | 5.8°C | 129 | 8.8 | 12.012 h |
| April | 23.9°C11.1°C | 11.1°C | 70 | 6.2 | 12.913 h |
| May | 31.1°C16.5°C | 16.5°C | 8.4 | 1.6 | 13.814 h |
| June | 37.3°C21.2°C | 21.2°C | 0.1 | 0.0 | 14.214 h |
| July | 39.7°C25.0°C | 25.0°C | 0.1 | 0.0 | 14.014 h |
| August | 39.7°C24.6°C | 24.6°C | 0.3 | 0.1 | 13.313 h |
| September, selected | 35.8°C20.1°C | 20.1°C | 0.4 | 0.1 | 12.412 h |
| October | 29.3°C15.1°C | 15.1°C | 13 | 1.7 | 11.411 h |
| November | 20.2°C8.9°C | 8.9°C | 101 | 7.2 | 10.611 h |
| December | 15.0°C3.6°C | 3.6°C | 141 | 9.7 | 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
- Masjed Soleymān in SeptemberIran · 55 kmHigh 41.0°C · Low 24.6°C · 1.0 mm rain
- Rāmhormoz in SeptemberIran · 66 kmHigh 40.9°C · Low 25.4°C · 0.7 mm rain
- Shūshtar in SeptemberIran · 99 kmHigh 42.4°C · Low 25.0°C · 1.0 mm rain
- Shahr-e Kord in SeptemberIran · 108 kmHigh 27.2°C · Low 12.5°C · 0.6 mm rain
- Ahvaz in SeptemberIran · 126 kmHigh 42.9°C · Low 26.8°C · 0.9 mm rain
- Behbahān in SeptemberIran · 142 kmHigh 40.2°C · Low 23.7°C · 1.4 mm rain
- Dezful in SeptemberIran · 151 kmHigh 41.7°C · Low 24.7°C · 1.1 mm rain
- Bandar-e Māhshahr in SeptemberIran · 156 kmHigh 42.2°C · Low 26.7°C · 0.6 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 Īz̄eh) is explained once on the Īz̄eh year overview and on the Sources, method and limits page.