Climate averages 1991–2020
Shahreẕā weather
in September.
A hot, very dry month: the 4th warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Shahreẕā: daytime highs average 29.4°C and nights cool to about 14.8°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 driest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 24 min on an average September day.
The nearest other city in this atlas is Bahārestān (54 km away). In September its highs average 31.6°C, 2.2°C warmer than Shahreẕā, with almost no rain (under 1 mm).
Among the 128 cities listed in Iran, Shahreẕā ranks joint 75th of 128 for the warmest September highs and joint 7th of 128 for the driest September (rainfall, lowest first). The mean September high of those 128 cities is 31.0°C; Shahreẕā is 1.6°C cooler than that mean.
From September to October, average highs fall by 6.5°C to 22.9°C, and monthly rainfall rises from under 1 mm to 3.0 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
Shahreẕā climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.7°C-4.4°C | -4.4°C | 25 | 4.6 | 10.310 h |
| February | 10.8°C-2.3°C | -2.3°C | 19 | 3.7 | 11.011 h |
| March | 15.6°C1.4°C | 1.4°C | 19 | 3.9 | 12.012 h |
| April | 21.2°C6.8°C | 6.8°C | 14 | 3.9 | 12.913 h |
| May | 26.9°C12.1°C | 12.1°C | 8.3 | 2.6 | 13.814 h |
| June | 32.5°C17.5°C | 17.5°C | 0.9 | 0.4 | 14.214 h |
| July | 34.6°C20.8°C | 20.8°C | 0.4 | 0.1 | 14.014 h |
| August | 33.2°C19.6°C | 19.6°C | 0.2 | 0.1 | 13.313 h |
| September, selected | 29.4°C14.8°C | 14.8°C | 0.1 | 0.0 | 12.412 h |
| October | 22.9°C9.0°C | 9.0°C | 3.0 | 1.1 | 11.411 h |
| November | 15.0°C2.6°C | 2.6°C | 16 | 2.6 | 10.611 h |
| December | 10.2°C-1.8°C | -1.8°C | 18 | 3.8 | 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
- Bahārestān in SeptemberIran · 54 kmHigh 31.6°C · Low 15.6°C · 0.1 mm rain
- Fūlād Shahr in SeptemberIran · 69 kmHigh 31.0°C · Low 15.0°C · 0.3 mm rain
- Isfahan in SeptemberIran · 74 kmHigh 31.3°C · Low 15.5°C · 0.2 mm rain
- Khomeynī Shahr in SeptemberIran · 81 kmHigh 31.5°C · Low 15.3°C · 0.5 mm rain
- Najafābād in SeptemberIran · 84 kmHigh 31.3°C · Low 15.2°C · 0.8 mm rain
- Shāhīn Shahr in SeptemberIran · 99 kmHigh 30.5°C · Low 14.8°C · 0.5 mm rain
- Shahr-e Kord in SeptemberIran · 101 kmHigh 27.2°C · Low 12.5°C · 0.6 mm rain
- Yasuj in SeptemberIran · 151 kmHigh 29.9°C · Low 13.1°C · 0.5 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 Shahreẕā) is explained once on the Shahreẕā year overview and on the Sources, method and limits page.