Climate averages 1991–2020
Bojnūrd weather
in September.
A warm, very dry month: the 4th warmest and the 3rd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Bojnūrd: daytime highs average 27.4°C and nights cool to about 13.4°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 6.5 mm of rain on roughly 2 days, which makes September a very dry month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 28 min on an average September day.
The nearest other city in this atlas is Shīrvān (54 km away). In September its highs average 26.2°C, 1.1°C cooler than Bojnūrd, with 3.6 mm of rain.
Among the 128 cities listed in Iran, Bojnūrd ranks joint 102nd of 128 for the warmest September highs and joint 106th of 128 for the driest September (rainfall, lowest first). The mean September high of those 128 cities is 31.0°C; Bojnūrd is 3.7°C cooler than that mean.
From September to October, average highs fall by 6.3°C to 21.0°C, and monthly rainfall rises from 6.5 mm to 14 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
Bojnūrd climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 5.9°C-4.7°C | -4.7°C | 35 | 6.6 | 9.910 h |
| February | 7.3°C-4.0°C | -4.0°C | 50 | 7.9 | 10.811 h |
| March | 13.0°C0.5°C | 0.5°C | 71 | 11.0 | 11.912 h |
| April | 19.0°C6.0°C | 6.0°C | 61 | 10.0 | 13.113 h |
| May | 24.0°C10.6°C | 10.6°C | 40 | 8.2 | 14.214 h |
| June | 29.3°C15.0°C | 15.0°C | 15 | 3.4 | 14.715 h |
| July | 32.2°C18.2°C | 18.2°C | 5.2 | 1.3 | 14.514 h |
| August | 31.3°C17.1°C | 17.1°C | 4.1 | 1.0 | 13.614 h |
| September, selected | 27.4°C13.4°C | 13.4°C | 6.5 | 1.9 | 12.512 h |
| October | 21.0°C8.0°C | 8.0°C | 14 | 3.2 | 11.311 h |
| November | 13.6°C2.1°C | 2.1°C | 29 | 5.5 | 10.210 h |
| December | 8.5°C-2.3°C | -2.3°C | 27 | 5.6 | 9.610 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
- Shīrvān in SeptemberIran · 54 kmHigh 26.2°C · Low 13.9°C · 3.6 mm rain
- Ashgabat in SeptemberTurkmenistan · 107 kmHigh 29.6°C · Low 17.8°C · 2.6 mm rain
- Qūchān in SeptemberIran · 112 kmHigh 25.1°C · Low 11.6°C · 4.8 mm rain
- Sabzevar in SeptemberIran · 144 kmHigh 31.0°C · Low 16.4°C · 1.2 mm rain
- Neyshābūr in SeptemberIran · 192 kmHigh 29.0°C · Low 12.5°C · 3.1 mm rain
- Gonbad-e Kāvūs in SeptemberIran · 193 kmHigh 30.9°C · Low 18.6°C · 36 mm rain
- Shahrud in SeptemberIran · 240 kmHigh 27.0°C · Low 15.3°C · 24 mm rain
- Mashhad in SeptemberIran · 241 kmHigh 27.9°C · Low 13.6°C · 2.1 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 Bojnūrd) is explained once on the Bojnūrd year overview and on the Sources, method and limits page.