Climate averages 1991–2020
Bismil weather
in September.
A 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 hot month in Bismil: daytime highs average 33.6°C and nights cool to about 18.5°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 5.3 mm of rain on roughly 1 day, 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 Diyarbakır (40 km away). In September its highs average 32.3°C, 1.3°C cooler than Bismil, with 8.3 mm of rain.
Among the 138 cities listed in Turkey, Bismil ranks joint 4th of 138 for the warmest September highs and 12th of 138 for the driest September (rainfall, lowest first). The mean September high of those 138 cities is 27.1°C; Bismil is 6.5°C warmer than that mean.
From September to October, average highs fall by 7.7°C to 25.9°C, and monthly rainfall rises from 5.3 mm to 37 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
Bismil climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.3°C-0.2°C | -0.2°C | 69 | 10.4 | 9.910 h |
| February | 10.5°C0.8°C | 0.8°C | 71 | 10.7 | 10.811 h |
| March | 15.5°C4.2°C | 4.2°C | 81 | 11.1 | 11.912 h |
| April | 20.7°C8.4°C | 8.4°C | 75 | 10.4 | 13.213 h |
| May | 26.5°C13.4°C | 13.4°C | 48 | 8.6 | 14.214 h |
| June | 33.8°C18.9°C | 18.9°C | 5.6 | 1.8 | 14.715 h |
| July | 38.9°C23.1°C | 23.1°C | 0.9 | 0.3 | 14.515 h |
| August | 38.9°C22.9°C | 22.9°C | 0.5 | 0.1 | 13.614 h |
| September, selected | 33.6°C18.5°C | 18.5°C | 5.3 | 1.2 | 12.512 h |
| October | 25.9°C13.1°C | 13.1°C | 37 | 4.8 | 11.211 h |
| November | 16.4°C5.9°C | 5.9°C | 49 | 6.5 | 10.210 h |
| December | 10.0°C1.5°C | 1.5°C | 70 | 9.6 | 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
- Diyarbakır in SeptemberTurkey · 40 kmHigh 32.3°C · Low 17.8°C · 8.3 mm rain
- Batman in SeptemberTurkey · 42 kmHigh 32.9°C · Low 19.2°C · 6.0 mm rain
- Mardin in SeptemberTurkey · 60 kmHigh 30.4°C · Low 16.2°C · 1.8 mm rain
- Kızıltepe in SeptemberTurkey · 73 kmHigh 34.0°C · Low 20.0°C · 1.6 mm rain
- Midyat in SeptemberTurkey · 76 kmHigh 31.6°C · Low 18.8°C · 6.6 mm rain
- Al Qāmishlī in SeptemberSyria · 102 kmHigh 34.4°C · Low 19.7°C · 1.1 mm rain
- Viranşehir in SeptemberTurkey · 106 kmHigh 33.6°C · Low 20.2°C · 2.8 mm rain
- Siirt in SeptemberTurkey · 113 kmHigh 29.6°C · Low 14.7°C · 6.2 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 Bismil) is explained once on the Bismil year overview and on the Sources, method and limits page.