Climate averages 1991–2020
Borāzjān weather
in September.
A very hot, very dry month: the 4th warmest and the joint 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a very hot month in Borāzjān: daytime highs average 40.3°C and nights cool to about 25.1°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 joint 3rd 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 Bushehr (50 km away). In September its highs average 35.1°C, 5.2°C cooler than Borāzjān, with almost no rain (under 1 mm).
Among the 128 cities listed in Iran, Borāzjān ranks 11th of 128 for the warmest September highs and joint 37th of 128 for the driest September (rainfall, lowest first). The mean September high of those 128 cities is 31.0°C; Borāzjān is 9.2°C warmer than that mean.
From September to October, average highs fall by 4.8°C to 35.5°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
Borāzjān climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 19.0°C9.0°C | 9.0°C | 73 | 7.0 | 10.510 h |
| February | 21.3°C10.3°C | 10.3°C | 34 | 4.6 | 11.111 h |
| March | 26.3°C13.5°C | 13.5°C | 28 | 3.8 | 12.012 h |
| April | 32.8°C18.5°C | 18.5°C | 11 | 1.9 | 12.913 h |
| May | 39.5°C23.9°C | 23.9°C | 1.8 | 0.5 | 13.614 h |
| June | 42.9°C27.5°C | 27.5°C | 0.1 | 0.0 | 14.014 h |
| July | 43.5°C29.8°C | 29.8°C | 0.2 | 0.1 | 13.814 h |
| August | 43.1°C29.3°C | 29.3°C | 0.7 | 0.3 | 13.213 h |
| September, selected | 40.3°C25.1°C | 25.1°C | 0.7 | 0.2 | 12.412 h |
| October | 35.5°C20.1°C | 20.1°C | 0.8 | 0.3 | 11.511 h |
| November | 27.2°C15.0°C | 15.0°C | 24 | 3.0 | 10.711 h |
| December | 21.5°C10.8°C | 10.8°C | 58 | 5.6 | 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
- Bushehr in SeptemberIran · 50 kmHigh 35.1°C · Low 29.0°C · 0 mm rain
- Kāzerūn in SeptemberIran · 57 kmHigh 36.0°C · Low 21.2°C · 1.2 mm rain
- Dogonbadan in SeptemberIran · 128 kmHigh 37.6°C · Low 21.4°C · 1.4 mm rain
- Shiraz in SeptemberIran · 133 kmHigh 32.4°C · Low 20.0°C · 0.5 mm rain
- Shahr-e Ṣadrā in SeptemberIran · 137 kmHigh 29.5°C · Low 14.7°C · 0.1 mm rain
- Yasuj in SeptemberIran · 160 kmHigh 29.9°C · Low 13.1°C · 0.5 mm rain
- Marvdasht in SeptemberIran · 167 kmHigh 32.1°C · Low 14.2°C · 0 mm rain
- Behbahān in SeptemberIran · 175 kmHigh 40.2°C · Low 23.7°C · 1.4 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 Borāzjān) is explained once on the Borāzjān year overview and on the Sources, method and limits page.