Climate averages 1991–2020
Xining weather
in September.
A mild, moderately wet month: the 5th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a mild month in Xining: daytime highs average 18.0°C and nights cool to about 8.5°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 87 mm of rain on roughly 15 days, which makes September a moderately wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 27 min on an average September day.
The nearest other city in this atlas is Qiaotou (35 km away). In September its highs average 16.4°C, 1.6°C cooler than Xining, with 122 mm of rain.
Among the 884 cities listed in China, Xining ranks joint 868th of 884 for the warmest September highs and joint 454th of 884 for the driest September (rainfall, lowest first). The mean September high of those 884 cities is 25.7°C; Xining is 7.7°C cooler than that mean.
From September to October, average highs fall by 5.5°C to 12.5°C, and monthly rainfall falls from 87 mm to 41 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
Xining climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 0.1°C-12.3°C | -12.3°C | 3.2 | 1.2 | 10.010 h |
| February | 3.6°C-8.2°C | -8.2°C | 5.0 | 1.9 | 10.811 h |
| March | 8.7°C-3.4°C | -3.4°C | 15 | 4.7 | 11.912 h |
| April | 14.6°C1.3°C | 1.3°C | 30 | 6.6 | 13.113 h |
| May | 18.4°C6.2°C | 6.2°C | 54 | 9.6 | 14.114 h |
| June | 21.5°C10.6°C | 10.6°C | 66 | 11.1 | 14.615 h |
| July | 23.3°C13.1°C | 13.1°C | 81 | 12.4 | 14.414 h |
| August | 22.5°C12.6°C | 12.6°C | 85 | 13.6 | 13.614 h |
| September, selected | 18.0°C8.5°C | 8.5°C | 87 | 14.6 | 12.412 h |
| October | 12.5°C2.0°C | 2.0°C | 41 | 9.6 | 11.311 h |
| November | 6.3°C-4.7°C | -4.7°C | 9.3 | 2.9 | 10.310 h |
| December | 1.3°C-10.6°C | -10.6°C | 2.2 | 0.8 | 9.710 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
- Qiaotou in SeptemberChina · 35 kmHigh 16.4°C · Low 6.3°C · 122 mm rain
- Nianbo in SeptemberChina · 61 kmHigh 18.9°C · Low 9.8°C · 87 mm rain
- Tongren (Qinghai), China in SeptemberChina · 126 kmHigh 16.6°C · Low 7.2°C · 172 mm rain
- Wuwei in SeptemberChina · 164 kmHigh 21.3°C · Low 9.9°C · 37 mm rain
- Linxia Chengguanzhen in SeptemberChina · 173 kmHigh 18.8°C · Low 9.4°C · 104 mm rain
- Lanzhou in SeptemberChina · 197 kmHigh 22.3°C · Low 12.3°C · 72 mm rain
- Jinchang in SeptemberChina · 212 kmHigh 22.1°C · Low 11.0°C · 33 mm rain
- Baiyin in SeptemberChina · 216 kmHigh 20.4°C · Low 10.6°C · 54 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 Xining) is explained once on the Xining year overview and on the Sources, method and limits page.