Climate averages 1991–2020
Xiuyan 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 Xiuyan: daytime highs average 23.5°C and nights cool to about 13.6°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 68 mm of rain on roughly 8 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 Fengcheng (Liaoning), China (70 km away). In September its highs average 23.7°C, about as warm as Xiuyan, with 78 mm of rain.
Among the 884 cities listed in China, Xiuyan ranks joint 675th of 884 for the warmest September highs and joint 252nd of 884 for the driest September (rainfall, lowest first). The mean September high of those 884 cities is 25.7°C; Xiuyan is 2.2°C cooler than that mean.
From September to October, average highs fall by 7.4°C to 16.1°C, and monthly rainfall falls from 68 mm to 42 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
Xiuyan climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -2.6°C-13.1°C | -13.1°C | 7.1 | 2.0 | 9.710 h |
| February | 1.7°C-9.2°C | -9.2°C | 13 | 2.5 | 10.611 h |
| March | 8.1°C-3.1°C | -3.1°C | 22 | 4.1 | 11.912 h |
| April | 15.2°C2.6°C | 2.6°C | 47 | 6.3 | 13.213 h |
| May | 21.1°C9.3°C | 9.3°C | 75 | 7.9 | 14.414 h |
| June | 25.3°C15.5°C | 15.5°C | 107 | 10.8 | 15.015 h |
| July | 27.6°C19.9°C | 19.9°C | 179 | 14.5 | 14.715 h |
| August | 27.6°C19.6°C | 19.6°C | 213 | 13.8 | 13.814 h |
| September, selected | 23.5°C13.6°C | 13.6°C | 68 | 7.6 | 12.513 h |
| October | 16.1°C5.6°C | 5.6°C | 42 | 6.1 | 11.211 h |
| November | 6.8°C-2.2°C | -2.2°C | 35 | 5.2 | 10.010 h |
| December | -0.6°C-9.5°C | -9.5°C | 13 | 2.8 | 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
- Fengcheng (Liaoning), China in SeptemberChina · 70 kmHigh 23.7°C · Low 13.6°C · 78 mm rain
- Zhuanghe in SeptemberChina · 70 kmHigh 23.5°C · Low 16.4°C · 59 mm rain
- Dashiqiao in SeptemberChina · 76 kmHigh 23.8°C · Low 15.2°C · 53 mm rain
- Haicheng in SeptemberChina · 76 kmHigh 24.0°C · Low 14.1°C · 51 mm rain
- Jiupu in SeptemberChina · 90 kmHigh 23.9°C · Low 13.9°C · 57 mm rain
- Gongchangling in SeptemberChina · 93 kmHigh 22.5°C · Low 13.1°C · 66 mm rain
- Anshan in SeptemberChina · 95 kmHigh 23.8°C · Low 13.8°C · 57 mm rain
- Dandong in SeptemberChina · 97 kmHigh 23.7°C · Low 14.5°C · 85 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 Xiuyan) is explained once on the Xiuyan year overview and on the Sources, method and limits page.