Climate averages 1991–2020
Shiraz weather
in September.
A hot, very dry month: the 4th warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Shiraz: daytime highs average 32.4°C and nights cool to about 20.0°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 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 22 min on an average September day.
The nearest other city in this atlas is Shahr-e Ṣadrā (21 km away). In September its highs average 29.5°C, 2.9°C cooler than Shiraz, with almost no rain (under 1 mm).
Among the 128 cities listed in Iran, Shiraz ranks joint 32nd of 128 for the warmest September highs and joint 28th of 128 for the driest September (rainfall, lowest first). The mean September high of those 128 cities is 31.0°C; Shiraz is 1.4°C warmer than that mean.
From September to October, average highs fall by 5.9°C to 26.5°C, and monthly rainfall rises from under 1 mm to 3.3 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
Shiraz climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 10.7°C1.0°C | 1.0°C | 98 | 7.5 | 10.510 h |
| February | 13.2°C2.7°C | 2.7°C | 71 | 6.9 | 11.111 h |
| March | 17.4°C6.0°C | 6.0°C | 75 | 7.6 | 12.012 h |
| April | 23.1°C11.1°C | 11.1°C | 36 | 5.7 | 12.913 h |
| May | 30.0°C16.8°C | 16.8°C | 7.6 | 2.2 | 13.614 h |
| June | 35.4°C21.4°C | 21.4°C | 0.4 | 0.1 | 14.014 h |
| July | 37.2°C23.8°C | 23.8°C | 0.7 | 0.2 | 13.814 h |
| August | 36.1°C23.4°C | 23.4°C | 0.8 | 0.2 | 13.213 h |
| September, selected | 32.4°C20.0°C | 20.0°C | 0.5 | 0.2 | 12.412 h |
| October | 26.5°C15.2°C | 15.2°C | 3.3 | 1.0 | 11.511 h |
| November | 18.8°C8.8°C | 8.8°C | 34 | 4.1 | 10.711 h |
| December | 13.7°C4.1°C | 4.1°C | 69 | 5.2 | 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
- Shahr-e Ṣadrā in SeptemberIran · 21 kmHigh 29.5°C · Low 14.7°C · 0.1 mm rain
- Marvdasht in SeptemberIran · 39 kmHigh 32.1°C · Low 14.2°C · 0 mm rain
- Kāzerūn in SeptemberIran · 85 kmHigh 36.0°C · Low 21.2°C · 1.2 mm rain
- Fasā in SeptemberIran · 132 kmHigh 33.7°C · Low 19.2°C · 0.3 mm rain
- Borāzjān in SeptemberIran · 133 kmHigh 40.3°C · Low 25.1°C · 0.7 mm rain
- Yasuj in SeptemberIran · 149 kmHigh 29.9°C · Low 13.1°C · 0.5 mm rain
- Jahrom in SeptemberIran · 159 kmHigh 36.4°C · Low 22.7°C · 0.6 mm rain
- Bushehr in SeptemberIran · 179 kmHigh 35.1°C · Low 29.0°C · 0 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 Shiraz) is explained once on the Shiraz year overview and on the Sources, method and limits page.