Climate averages 1991–2020
Xichang weather
in September.
A warm, 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 Xichang: daytime highs average 23.1°C and nights cool to about 16.6°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 160 mm of rain on roughly 20 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 Zhaotong (157 km away). In September its highs average 20.0°C, 3.0°C cooler than Xichang, with 121 mm of rain.
Among the 884 cities listed in China, Xichang ranks joint 693rd of 884 for the warmest September highs and joint 766th of 884 for the driest September (rainfall, lowest first). The mean September high of those 884 cities is 25.7°C; Xichang is 2.6°C cooler than that mean.
From September to October, average highs fall by 3.6°C to 19.4°C, and monthly rainfall falls from 160 mm to 129 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
Xichang climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 13.3°C3.1°C | 3.1°C | 23 | 5.8 | 10.611 h |
| February | 16.0°C5.0°C | 5.0°C | 18 | 4.9 | 11.211 h |
| March | 20.8°C8.9°C | 8.9°C | 32 | 7.6 | 12.012 h |
| April | 24.0°C12.7°C | 12.7°C | 46 | 9.6 | 12.813 h |
| May | 25.2°C15.9°C | 15.9°C | 97 | 15.6 | 13.514 h |
| June | 25.0°C18.2°C | 18.2°C | 193 | 22.9 | 13.914 h |
| July | 25.8°C18.5°C | 18.5°C | 220 | 22.8 | 13.714 h |
| August | 25.8°C18.2°C | 18.2°C | 201 | 21.4 | 13.113 h |
| September, selected | 23.1°C16.6°C | 16.6°C | 160 | 19.5 | 12.312 h |
| October | 19.4°C13.1°C | 13.1°C | 129 | 18.8 | 11.512 h |
| November | 16.7°C8.4°C | 8.4°C | 48 | 10.3 | 10.811 h |
| December | 13.3°C3.9°C | 3.9°C | 29 | 6.9 | 10.410 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
- Zhaotong in SeptemberChina · 157 kmHigh 20.0°C · Low 12.9°C · 121 mm rain
- Junlian in SeptemberChina · 223 kmHigh 25.6°C · Low 19.7°C · 156 mm rain
- Shuifu in SeptemberChina · 225 kmHigh 26.6°C · Low 21.1°C · 127 mm rain
- Lijiang in SeptemberChina · 232 kmHigh 20.1°C · Low 13.2°C · 249 mm rain
- Leshan in SeptemberChina · 236 kmHigh 25.6°C · Low 20.0°C · 128 mm rain
- Kangding in SeptemberChina · 236 kmHigh 14.9°C · Low 8.9°C · 175 mm rain
- Luocheng in SeptemberChina · 239 kmHigh 25.2°C · Low 19.5°C · 115 mm rain
- Baixi in SeptemberChina · 241 kmHigh 26.4°C · Low 20.8°C · 127 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 Xichang) is explained once on the Xichang year overview and on the Sources, method and limits page.