Climate averages 1991–2020
Ziyang 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 Ziyang: daytime highs average 26.1°C and nights cool to about 19.8°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 116 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 22 min on an average September day.
The nearest other city in this atlas is Neijiang (72 km away). In September its highs average 26.4°C, about as warm as Ziyang, with 110 mm of rain.
Among the 884 cities listed in China, Ziyang ranks joint 497th of 884 for the warmest September highs and joint 633rd of 884 for the driest September (rainfall, lowest first). The mean September high of those 884 cities is 25.7°C; Ziyang is 0.4°C warmer than that mean.
From September to October, average highs fall by 5.0°C to 21.1°C, and monthly rainfall falls from 116 mm to 62 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
Ziyang climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 10.8°C4.2°C | 4.2°C | 17 | 5.6 | 10.410 h |
| February | 13.3°C6.0°C | 6.0°C | 20 | 6.0 | 11.111 h |
| March | 17.8°C9.5°C | 9.5°C | 39 | 9.3 | 12.012 h |
| April | 23.3°C14.1°C | 14.1°C | 65 | 11.1 | 12.913 h |
| May | 27.0°C18.2°C | 18.2°C | 84 | 12.3 | 13.714 h |
| June | 29.1°C21.3°C | 21.3°C | 152 | 14.4 | 14.114 h |
| July | 30.4°C23.3°C | 23.3°C | 240 | 19.9 | 13.914 h |
| August | 30.2°C23.1°C | 23.1°C | 205 | 18.2 | 13.213 h |
| September, selected | 26.1°C19.8°C | 19.8°C | 116 | 14.6 | 12.412 h |
| October | 21.1°C15.5°C | 15.5°C | 62 | 13.1 | 11.511 h |
| November | 16.9°C10.8°C | 10.8°C | 31 | 7.3 | 10.711 h |
| December | 11.9°C5.8°C | 5.8°C | 18 | 4.9 | 10.210 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
- Neijiang in SeptemberChina · 72 kmHigh 26.4°C · Low 20.0°C · 110 mm rain
- Meishan in SeptemberChina · 79 kmHigh 25.7°C · Low 19.7°C · 120 mm rain
- Chengdu in SeptemberChina · 82 kmHigh 25.5°C · Low 19.3°C · 134 mm rain
- Zigong in SeptemberChina · 88 kmHigh 26.7°C · Low 20.4°C · 114 mm rain
- Suining in SeptemberChina · 99 kmHigh 26.8°C · Low 20.1°C · 115 mm rain
- Luocheng in SeptemberChina · 101 kmHigh 25.2°C · Low 19.5°C · 115 mm rain
- Leshan in SeptemberChina · 106 kmHigh 25.6°C · Low 20.0°C · 128 mm rain
- Longgang, China in SeptemberChina · 113 kmHigh 26.6°C · Low 20.2°C · 128 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 Ziyang) is explained once on the Ziyang year overview and on the Sources, method and limits page.