Climate averages 1991–2020
Jianshui weather
in September.
A warm, very wet month: the 6th 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 Jianshui: daytime highs average 22.4°C and nights cool to about 15.1°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 212 mm of rain on roughly 24 days, which makes September a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 19 min on an average September day.
The nearest other city in this atlas is Chuxiong (90 km away). In September its highs average 23.0°C, 0.6°C warmer than Jianshui, with 126 mm of rain.
Among the 884 cities listed in China, Jianshui ranks joint 727th of 884 for the warmest September highs and joint 856th of 884 for the driest September (rainfall, lowest first). The mean September high of those 884 cities is 25.7°C; Jianshui is 3.3°C cooler than that mean.
From September to October, average highs fall by 2.3°C to 20.1°C, and monthly rainfall falls from 212 mm to 160 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
Jianshui climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 15.1°C4.7°C | 4.7°C | 65 | 7.3 | 10.811 h |
| February | 17.6°C5.8°C | 5.8°C | 49 | 6.2 | 11.311 h |
| March | 21.2°C8.9°C | 8.9°C | 61 | 7.5 | 12.012 h |
| April | 23.5°C11.7°C | 11.7°C | 99 | 10.8 | 12.713 h |
| May | 24.0°C14.3°C | 14.3°C | 176 | 16.8 | 13.313 h |
| June | 24.0°C16.3°C | 16.3°C | 279 | 25.6 | 13.614 h |
| July | 23.4°C16.5°C | 16.5°C | 334 | 29.5 | 13.513 h |
| August | 23.6°C16.1°C | 16.1°C | 287 | 27.7 | 13.013 h |
| September, selected | 22.4°C15.1°C | 15.1°C | 212 | 24.4 | 12.312 h |
| October | 20.1°C13.1°C | 13.1°C | 160 | 20.3 | 11.612 h |
| November | 17.3°C8.9°C | 8.9°C | 72 | 9.8 | 11.011 h |
| December | 14.8°C5.8°C | 5.8°C | 45 | 7.5 | 10.711 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
- Chuxiong in SeptemberChina · 90 kmHigh 23.0°C · Low 15.9°C · 126 mm rain
- Longquan in SeptemberChina · 105 kmHigh 24.3°C · Low 17.0°C · 129 mm rain
- Lincang in SeptemberChina · 123 kmHigh 24.8°C · Low 17.4°C · 194 mm rain
- Yuxi in SeptemberChina · 134 kmHigh 23.5°C · Low 16.6°C · 125 mm rain
- Yunnanyi in SeptemberChina · 139 kmHigh 22.0°C · Low 14.5°C · 109 mm rain
- Ning’er in SeptemberChina · 139 kmHigh 24.7°C · Low 17.7°C · 239 mm rain
- Micheng in SeptemberChina · 140 kmHigh 24.1°C · Low 16.7°C · 145 mm rain
- Anning in SeptemberChina · 146 kmHigh 22.4°C · Low 16.0°C · 152 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 Jianshui) is explained once on the Jianshui year overview and on the Sources, method and limits page.