Climate averages 1991–2020
Yibin weather
in September.
A warm, 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 Yibin: daytime highs average 26.4°C and nights cool to about 20.8°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 119 mm of rain on roughly 15 days, which makes September a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 21 min on an average September day.
The nearest other city in this atlas is Baixi (11 km away). In September its highs average 26.4°C, about as warm as Yibin, with 127 mm of rain.
Among the 884 cities listed in China, Yibin ranks joint 438th of 884 for the warmest September highs and joint 652nd of 884 for the driest September (rainfall, lowest first). The mean September high of those 884 cities is 25.7°C; Yibin is 0.7°C warmer than that mean.
From September to October, average highs fall by 5.4°C to 21.0°C, and monthly rainfall falls from 119 mm to 72 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
Yibin climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 10.5°C5.7°C | 5.7°C | 24 | 8.1 | 10.511 h |
| February | 13.2°C7.4°C | 7.4°C | 27 | 7.9 | 11.211 h |
| March | 17.8°C10.9°C | 10.9°C | 43 | 10.8 | 12.012 h |
| April | 23.1°C15.2°C | 15.2°C | 67 | 12.9 | 12.813 h |
| May | 26.6°C18.9°C | 18.9°C | 91 | 14.0 | 13.614 h |
| June | 28.8°C22.0°C | 22.0°C | 152 | 16.8 | 13.914 h |
| July | 31.0°C24.0°C | 24.0°C | 232 | 20.7 | 13.814 h |
| August | 30.6°C23.8°C | 23.8°C | 231 | 19.3 | 13.213 h |
| September, selected | 26.4°C20.8°C | 20.8°C | 119 | 15.3 | 12.412 h |
| October | 21.0°C16.5°C | 16.5°C | 72 | 15.3 | 11.511 h |
| November | 16.8°C12.0°C | 12.0°C | 40 | 9.9 | 10.711 h |
| December | 11.7°C7.3°C | 7.3°C | 26 | 7.6 | 10.310 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
- Baixi in SeptemberChina · 11 kmHigh 26.4°C · Low 20.8°C · 127 mm rain
- Shuifu in SeptemberChina · 27 kmHigh 26.6°C · Low 21.1°C · 127 mm rain
- Changning in SeptemberChina · 34 kmHigh 26.9°C · Low 20.9°C · 140 mm rain
- Nanxi in SeptemberChina · 34 kmHigh 26.9°C · Low 21.0°C · 123 mm rain
- Xunchang in SeptemberChina · 35 kmHigh 25.3°C · Low 19.5°C · 130 mm rain
- Zigong in SeptemberChina · 66 kmHigh 26.7°C · Low 20.4°C · 114 mm rain
- Junlian in SeptemberChina · 67 kmHigh 25.6°C · Low 19.7°C · 156 mm rain
- Gusong in SeptemberChina · 77 kmHigh 25.6°C · Low 19.1°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 Yibin) is explained once on the Yibin year overview and on the Sources, method and limits page.