Climate averages 1991–2020
Sirjan 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 Sirjan: daytime highs average 30.3°C and nights cool to about 15.3°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 22 min on an average September day.
The nearest other city in this atlas is Rafsanjān (110 km away). In September its highs average 31.6°C, 1.3°C warmer than Sirjan, with almost no rain (under 1 mm).
Among the 128 cities listed in Iran, Sirjan ranks joint 60th 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; Sirjan is 0.8°C cooler than that mean.
From September to October, average highs fall by 5.8°C to 24.5°C, and monthly rainfall rises from under 1 mm to 1.9 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
Sirjan climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 10.8°C-0.6°C | -0.6°C | 37 | 6.1 | 10.510 h |
| February | 13.4°C0.9°C | 0.9°C | 40 | 5.8 | 11.111 h |
| March | 17.4°C4.2°C | 4.2°C | 36 | 6.3 | 12.012 h |
| April | 23.3°C9.2°C | 9.2°C | 14 | 3.1 | 12.913 h |
| May | 29.1°C14.5°C | 14.5°C | 3.3 | 1.0 | 13.614 h |
| June | 33.8°C18.6°C | 18.6°C | 0.9 | 0.1 | 14.014 h |
| July | 35.1°C20.5°C | 20.5°C | 1.1 | 0.3 | 13.814 h |
| August | 33.7°C18.7°C | 18.7°C | 1.8 | 0.7 | 13.213 h |
| September, selected | 30.3°C15.3°C | 15.3°C | 0.1 | 0.0 | 12.412 h |
| October | 24.5°C10.4°C | 10.4°C | 1.9 | 0.3 | 11.511 h |
| November | 17.5°C4.7°C | 4.7°C | 11 | 2.2 | 10.711 h |
| December | 13.2°C1.1°C | 1.1°C | 26 | 3.6 | 10.310 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
- Rafsanjān in SeptemberIran · 110 kmHigh 31.6°C · Low 16.2°C · 0 mm rain
- Dārāb in SeptemberIran · 135 kmHigh 35.4°C · Low 21.0°C · 0.2 mm rain
- Kerman in SeptemberIran · 163 kmHigh 30.0°C · Low 17.0°C · 0.3 mm rain
- Fasā in SeptemberIran · 205 kmHigh 33.7°C · Low 19.2°C · 0.3 mm rain
- Jīroft in SeptemberIran · 218 kmHigh 36.7°C · Low 22.6°C · 0.4 mm rain
- Jahrom in SeptemberIran · 232 kmHigh 36.4°C · Low 22.7°C · 0.6 mm rain
- Bandar Abbas in SeptemberIran · 259 kmHigh 37.8°C · Low 28.1°C · 1.6 mm rain
- Bam in SeptemberIran · 262 kmHigh 34.6°C · Low 22.0°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 Sirjan) is explained once on the Sirjan year overview and on the Sources, method and limits page.