Climate averages 1991–2020
Shanhaiguan weather
in September.
A warm, moderately wet month: the 4th warmest and the 8th 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 Shanhaiguan: daytime highs average 24.2°C and nights cool to about 16.6°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 45 mm of rain on roughly 6 days, which makes September a moderately wet month (the 8th 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 Qinhuangdao (16 km away). In September its highs average 24.4°C, about as warm as Shanhaiguan, with 51 mm of rain.
Among the 884 cities listed in China, Shanhaiguan ranks joint 635th of 884 for the warmest September highs and joint 57th of 884 for the driest September (rainfall, lowest first). The mean September high of those 884 cities is 25.7°C; Shanhaiguan is 1.5°C cooler than that mean.
From September to October, average highs fall by 6.8°C to 17.4°C, and monthly rainfall falls from 45 mm to 34 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
Shanhaiguan climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -0.3°C-8.3°C | -8.3°C | 3.4 | 1.0 | 9.710 h |
| February | 3.0°C-5.7°C | -5.7°C | 6.1 | 1.5 | 10.711 h |
| March | 8.6°C-1.5°C | -1.5°C | 12 | 2.6 | 11.912 h |
| April | 15.7°C5.3°C | 5.3°C | 29 | 4.9 | 13.213 h |
| May | 21.9°C12.4°C | 12.4°C | 47 | 6.2 | 14.414 h |
| June | 25.8°C18.2°C | 18.2°C | 84 | 8.8 | 15.015 h |
| July | 28.3°C22.2°C | 22.2°C | 158 | 11.3 | 14.715 h |
| August | 27.9°C21.8°C | 21.8°C | 147 | 10.1 | 13.814 h |
| September, selected | 24.2°C16.6°C | 16.6°C | 45 | 5.8 | 12.512 h |
| October | 17.4°C9.1°C | 9.1°C | 34 | 4.6 | 11.211 h |
| November | 8.3°C0.6°C | 0.6°C | 15 | 2.8 | 10.010 h |
| December | 1.7°C-5.6°C | -5.6°C | 4.7 | 1.5 | 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
- Qinhuangdao in SeptemberChina · 16 kmHigh 24.4°C · Low 16.4°C · 51 mm rain
- Xingcheng in SeptemberChina · 107 kmHigh 24.2°C · Low 16.5°C · 50 mm rain
- Tangjiazhuang in SeptemberChina · 115 kmHigh 25.4°C · Low 15.1°C · 57 mm rain
- Linxi in SeptemberChina · 116 kmHigh 25.7°C · Low 15.4°C · 57 mm rain
- Zhaogezhuang in SeptemberChina · 117 kmHigh 25.5°C · Low 15.2°C · 57 mm rain
- Huludao in SeptemberChina · 124 kmHigh 24.2°C · Low 16.3°C · 47 mm rain
- Lianshan in SeptemberChina · 126 kmHigh 23.8°C · Low 16.6°C · 47 mm rain
- Tangshan in SeptemberChina · 140 kmHigh 26.0°C · Low 15.9°C · 58 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 Shanhaiguan) is explained once on the Shanhaiguan year overview and on the Sources, method and limits page.