Climate averages 1991–2020
Yishui weather
in September.
A warm, moderately wet month: the joint 4th warmest and the 10th 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 Yishui: daytime highs average 25.2°C and nights cool to about 16.3°C. By daytime temperature it is the joint 4th warmest of the 12 months.
Expect about 75 mm of rain on roughly 7 days, which makes September a moderately wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 26 min on an average September day.
The nearest other city in this atlas is Yishan (49 km away). In September its highs average 25.2°C, about as warm as Yishui, with 70 mm of rain.
Among the 884 cities listed in China, Yishui ranks joint 586th of 884 for the warmest September highs and joint 309th of 884 for the driest September (rainfall, lowest first). The mean September high of those 884 cities is 25.7°C; Yishui is 0.5°C cooler than that mean.
From September to October, average highs fall by 5.4°C to 19.8°C, and monthly rainfall falls from 75 mm to 29 mm.
The annual picture
September in context
Monthly rainfall
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
Yishui climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 4.0°C-5.0°C | -5.0°C | 11 | 2.4 | 10.010 h |
| February | 7.1°C-3.0°C | -3.0°C | 16 | 3.3 | 10.911 h |
| March | 13.0°C1.0°C | 1.0°C | 26 | 4.4 | 11.912 h |
| April | 19.9°C7.5°C | 7.5°C | 39 | 5.6 | 13.113 h |
| May | 25.2°C13.5°C | 13.5°C | 63 | 6.3 | 14.014 h |
| June | 28.9°C18.4°C | 18.4°C | 74 | 7.4 | 14.515 h |
| July | 29.9°C22.1°C | 22.1°C | 199 | 13.5 | 14.314 h |
| August | 28.8°C21.5°C | 21.5°C | 168 | 13.6 | 13.514 h |
| September, selected | 25.2°C16.3°C | 16.3°C | 75 | 6.5 | 12.412 h |
| October | 19.8°C9.8°C | 9.8°C | 29 | 4.2 | 11.311 h |
| November | 12.1°C2.4°C | 2.4°C | 28 | 4.1 | 10.310 h |
| December | 5.5°C-3.1°C | -3.1°C | 14 | 2.7 | 9.810 h |
Rainfall is the average of the 30 separate monthly totals. A rain 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
- Yishan in SeptemberChina · 49 kmHigh 25.2°C · Low 16.2°C · 70 mm rain
- Jiayue in SeptemberChina · 56 kmHigh 25.7°C · Low 16.7°C · 74 mm rain
- Nanma in SeptemberChina · 62 kmHigh 24.8°C · Low 16.3°C · 73 mm rain
- Xinzhai in SeptemberChina · 68 kmHigh 25.5°C · Low 16.2°C · 68 mm rain
- Shizilu in SeptemberChina · 71 kmHigh 25.4°C · Low 17.2°C · 81 mm rain
- Yeyuan in SeptemberChina · 71 kmHigh 25.7°C · Low 16.5°C · 68 mm rain
- Zhu Cheng City in SeptemberChina · 74 kmHigh 25.9°C · Low 17.0°C · 76 mm rain
- Linghe in SeptemberChina · 76 kmHigh 25.9°C · Low 16.9°C · 71 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 Yishui) is explained once on the Yishui year overview and on the Sources, method and limits page.