Climate averages 1991–2020
Chengqiao weather
in September.
A warm, wet month: the 4th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Chengqiao: daytime highs average 26.4°C and nights cool to about 21.5°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 101 mm of rain on roughly 10 days, which makes September a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 23 min on an average September day.
The nearest other city in this atlas is Luodian (25 km away). In September its highs average 26.9°C, about as warm as Chengqiao, with 100 mm of rain.
Among the 884 cities listed in China, Chengqiao ranks joint 438th of 884 for the warmest September highs and joint 570th of 884 for the driest September (rainfall, lowest first). The mean September high of those 884 cities is 25.7°C; Chengqiao is 0.8°C warmer than that mean.
From September to October, average highs fall by 4.6°C to 21.9°C, and monthly rainfall falls from 101 mm to 56 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
Chengqiao climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.8°C1.5°C | 1.5°C | 58 | 8.2 | 10.310 h |
| February | 9.5°C2.7°C | 2.7°C | 57 | 8.4 | 11.011 h |
| March | 13.5°C6.1°C | 6.1°C | 85 | 10.4 | 12.012 h |
| April | 19.0°C11.2°C | 11.2°C | 94 | 10.1 | 12.913 h |
| May | 23.9°C16.7°C | 16.7°C | 112 | 9.3 | 13.714 h |
| June | 26.8°C21.0°C | 21.0°C | 238 | 13.0 | 14.214 h |
| July | 30.7°C25.4°C | 25.4°C | 176 | 14.5 | 14.014 h |
| August | 30.2°C25.5°C | 25.5°C | 162 | 14.5 | 13.313 h |
| September, selected | 26.4°C21.5°C | 21.5°C | 101 | 10.1 | 12.412 h |
| October | 21.9°C16.1°C | 16.1°C | 56 | 5.7 | 11.411 h |
| November | 16.6°C10.3°C | 10.3°C | 55 | 7.2 | 10.611 h |
| December | 10.3°C4.0°C | 4.0°C | 42 | 6.4 | 10.110 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
- Luodian in SeptemberChina · 25 kmHigh 26.9°C · Low 21.2°C · 100 mm rain
- Baoshan in SeptemberChina · 26 kmHigh 26.7°C · Low 21.5°C · 104 mm rain
- Chongming in SeptemberChina · 29 kmHigh 26.0°C · Low 22.4°C · 111 mm rain
- Yanghang in SeptemberChina · 29 kmHigh 26.7°C · Low 21.4°C · 106 mm rain
- Jiading in SeptemberChina · 31 kmHigh 27.0°C · Low 21.0°C · 100 mm rain
- Huilong in SeptemberChina · 32 kmHigh 25.9°C · Low 22.2°C · 109 mm rain
- Taicang in SeptemberChina · 35 kmHigh 27.1°C · Low 20.9°C · 96 mm rain
- Putuo in SeptemberChina · 42 kmHigh 26.9°C · Low 21.3°C · 106 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 Chengqiao) is explained once on the Chengqiao year overview and on the Sources, method and limits page.