Climate averages 1991–2020
Jahrom weather
in September.
A very hot, very dry month: the 4th warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a very hot month in Jahrom: daytime highs average 36.4°C and nights cool to about 22.7°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 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 21 min on an average September day.
The nearest other city in this atlas is Fasā (49 km away). In September its highs average 33.7°C, 2.7°C cooler than Jahrom, with almost no rain (under 1 mm).
Among the 128 cities listed in Iran, Jahrom ranks 19th of 128 for the warmest September highs and joint 33rd of 128 for the driest September (rainfall, lowest first). The mean September high of those 128 cities is 31.0°C; Jahrom is 5.3°C warmer than that mean.
From September to October, average highs fall by 5.5°C to 30.8°C, and monthly rainfall stays under 1 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
Jahrom climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 15.6°C5.7°C | 5.7°C | 65 | 6.1 | 10.511 h |
| February | 17.9°C7.3°C | 7.3°C | 49 | 5.1 | 11.211 h |
| March | 22.2°C10.8°C | 10.8°C | 50 | 5.0 | 12.012 h |
| April | 28.4°C16.1°C | 16.1°C | 13 | 2.1 | 12.813 h |
| May | 35.2°C21.8°C | 21.8°C | 0.9 | 0.3 | 13.614 h |
| June | 39.6°C25.2°C | 25.2°C | 0.2 | 0.1 | 13.914 h |
| July | 40.7°C26.9°C | 26.9°C | 1.0 | 0.4 | 13.814 h |
| August | 39.8°C25.9°C | 25.9°C | 2.1 | 0.8 | 13.213 h |
| September, selected | 36.4°C22.7°C | 22.7°C | 0.6 | 0.2 | 12.412 h |
| October | 30.8°C18.0°C | 18.0°C | 0.5 | 0.2 | 11.512 h |
| November | 23.3°C12.0°C | 12.0°C | 15 | 2.2 | 10.811 h |
| December | 18.3°C7.7°C | 7.7°C | 45 | 3.6 | 10.410 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
- Fasā in SeptemberIran · 49 kmHigh 33.7°C · Low 19.2°C · 0.3 mm rain
- Dārāb in SeptemberIran · 100 kmHigh 35.4°C · Low 21.0°C · 0.2 mm rain
- Shiraz in SeptemberIran · 159 kmHigh 32.4°C · Low 20.0°C · 0.5 mm rain
- Marvdasht in SeptemberIran · 170 kmHigh 32.1°C · Low 14.2°C · 0 mm rain
- Shahr-e Ṣadrā in SeptemberIran · 177 kmHigh 29.5°C · Low 14.7°C · 0.1 mm rain
- Kāzerūn in SeptemberIran · 223 kmHigh 36.0°C · Low 21.2°C · 1.2 mm rain
- Sirjan in SeptemberIran · 232 kmHigh 30.3°C · Low 15.3°C · 0.1 mm rain
- Borāzjān in SeptemberIran · 244 kmHigh 40.3°C · Low 25.1°C · 0.7 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 Jahrom) is explained once on the Jahrom year overview and on the Sources, method and limits page.