Climate averages 1991–2020
Changping weather
in September.
A warm, moderately wet month: the 5th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Changping: daytime highs average 25.3°C and nights cool to about 14.6°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 65 mm of rain on roughly 8 days, which makes September a moderately wet month (the 9th 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 Mentougou (33 km away). In September its highs average 25.6°C, about as warm as Changping, with 80 mm of rain.
Among the 884 cities listed in China, Changping ranks joint 580th of 884 for the warmest September highs and joint 222nd of 884 for the driest September (rainfall, lowest first). The mean September high of those 884 cities is 25.7°C; Changping is 0.3°C cooler than that mean.
From September to October, average highs fall by 6.9°C to 18.4°C, and monthly rainfall falls from 65 mm to 40 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
Changping climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 1.6°C-9.0°C | -9.0°C | 3.3 | 0.9 | 9.710 h |
| February | 5.6°C-5.3°C | -5.3°C | 6.3 | 1.5 | 10.611 h |
| March | 12.4°C-0.8°C | -0.8°C | 13 | 3.0 | 11.912 h |
| April | 20.5°C5.6°C | 5.6°C | 23 | 4.2 | 13.213 h |
| May | 27.1°C12.9°C | 12.9°C | 40 | 5.9 | 14.414 h |
| June | 30.7°C18.7°C | 18.7°C | 86 | 9.5 | 15.015 h |
| July | 30.9°C21.6°C | 21.6°C | 165 | 14.5 | 14.715 h |
| August | 29.4°C20.4°C | 20.4°C | 132 | 12.4 | 13.814 h |
| September, selected | 25.3°C14.6°C | 14.6°C | 65 | 8.2 | 12.512 h |
| October | 18.4°C6.7°C | 6.7°C | 40 | 5.4 | 11.211 h |
| November | 9.1°C-1.4°C | -1.4°C | 17 | 3.0 | 10.010 h |
| December | 2.6°C-6.6°C | -6.6°C | 4.5 | 1.2 | 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
- Mentougou in SeptemberChina · 33 kmHigh 25.6°C · Low 14.7°C · 80 mm rain
- Shunyi in SeptemberChina · 37 kmHigh 26.0°C · Low 14.9°C · 59 mm rain
- Beijing in SeptemberChina · 37 kmHigh 26.3°C · Low 15.2°C · 56 mm rain
- Tongzhou in SeptemberChina · 50 kmHigh 26.4°C · Low 15.5°C · 59 mm rain
- Daxing in SeptemberChina · 53 kmHigh 26.4°C · Low 15.5°C · 55 mm rain
- Liangxiang in SeptemberChina · 54 kmHigh 26.0°C · Low 15.0°C · 55 mm rain
- Fangshan in SeptemberChina · 62 kmHigh 26.1°C · Low 15.0°C · 65 mm rain
- Sanhe in SeptemberChina · 76 kmHigh 25.9°C · Low 15.3°C · 62 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 Changping) is explained once on the Changping year overview and on the Sources, method and limits page.