Climate averages 1991–2020
Datong weather
in September.
A mild, moderately wet month: the 5th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a mild month in Datong: daytime highs average 21.4°C and nights cool to about 9.6°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 67 mm of rain on roughly 9 days, which makes September a moderately wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 30 min on an average September day.
The nearest other city in this atlas is Beichengqu (40 km away). In September its highs average 20.4°C, 1.0°C cooler than Datong, with 66 mm of rain.
Among the 884 cities listed in China, Datong ranks joint 772nd of 884 for the warmest September highs and joint 247th of 884 for the driest September (rainfall, lowest first). The mean September high of those 884 cities is 25.7°C; Datong is 4.3°C cooler than that mean.
From September to October, average highs fall by 7.0°C to 14.4°C, and monthly rainfall falls from 67 mm to 32 mm.
The annual picture
September in context
Monthly precipitation
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
Datong climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -2.8°C-15.4°C | -15.4°C | 2.6 | 0.9 | 9.710 h |
| February | 1.8°C-11.0°C | -11.0°C | 5.1 | 1.8 | 10.711 h |
| March | 8.6°C-4.9°C | -4.9°C | 14 | 3.6 | 11.912 h |
| April | 16.2°C0.2°C | 0.2°C | 27 | 4.7 | 13.213 h |
| May | 22.5°C7.5°C | 7.5°C | 39 | 6.0 | 14.414 h |
| June | 26.9°C13.6°C | 13.6°C | 59 | 9.3 | 15.015 h |
| July | 28.3°C16.8°C | 16.8°C | 96 | 11.8 | 14.715 h |
| August | 26.4°C15.4°C | 15.4°C | 88 | 10.5 | 13.814 h |
| September, selected | 21.4°C9.6°C | 9.6°C | 67 | 8.8 | 12.512 h |
| October | 14.4°C1.8°C | 1.8°C | 32 | 5.4 | 11.211 h |
| November | 5.6°C-5.5°C | -5.5°C | 13 | 3.0 | 10.010 h |
| December | -1.4°C-12.3°C | -12.3°C | 2.7 | 0.8 | 9.49 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet 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
- Beichengqu in SeptemberChina · 40 kmHigh 20.4°C · Low 9.3°C · 66 mm rain
- Ulanqab in SeptemberChina · 101 kmHigh 19.3°C · Low 7.1°C · 54 mm rain
- Shuozhou in SeptemberChina · 114 kmHigh 20.7°C · Low 9.3°C · 78 mm rain
- Zhangjiakou in SeptemberChina · 154 kmHigh 22.6°C · Low 10.4°C · 56 mm rain
- Hohhot in SeptemberChina · 160 kmHigh 20.8°C · Low 8.9°C · 60 mm rain
- Yuanping in SeptemberChina · 160 kmHigh 22.3°C · Low 11.6°C · 71 mm rain
- Xuanhua in SeptemberChina · 161 kmHigh 23.8°C · Low 11.4°C · 57 mm rain
- Xinzhou in SeptemberChina · 193 kmHigh 22.4°C · Low 12.1°C · 61 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 Datong) is explained once on the Datong year overview and on the Sources, method and limits page.