Climate averages 1991–2020
Changyuan weather
in September.
A warm, wet month: the 4th 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 Changyuan: daytime highs average 27.1°C and nights cool to about 20.6°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 126 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 Longshui (25 km away). In September its highs average 26.8°C, about as warm as Changyuan, with 131 mm of rain.
Among the 884 cities listed in China, Changyuan ranks joint 301st of 884 for the warmest September highs and joint 682nd of 884 for the driest September (rainfall, lowest first). The mean September high of those 884 cities is 25.7°C; Changyuan is 1.4°C warmer than that mean.
From September to October, average highs fall by 5.7°C to 21.4°C, and monthly rainfall falls from 126 mm to 87 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
Changyuan climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 11.1°C5.4°C | 5.4°C | 22 | 6.9 | 10.510 h |
| February | 13.7°C7.2°C | 7.2°C | 25 | 7.3 | 11.111 h |
| March | 18.1°C10.6°C | 10.6°C | 52 | 10.9 | 12.012 h |
| April | 23.1°C14.8°C | 14.8°C | 87 | 13.2 | 12.913 h |
| May | 26.3°C18.5°C | 18.5°C | 120 | 15.7 | 13.614 h |
| June | 28.6°C21.6°C | 21.6°C | 171 | 16.3 | 14.014 h |
| July | 31.4°C24.2°C | 24.2°C | 207 | 18.6 | 13.814 h |
| August | 31.4°C24.1°C | 24.1°C | 189 | 17.1 | 13.213 h |
| September, selected | 27.1°C20.6°C | 20.6°C | 126 | 15.1 | 12.412 h |
| October | 21.4°C16.2°C | 16.2°C | 87 | 16.3 | 11.511 h |
| November | 17.2°C11.6°C | 11.6°C | 52 | 10.8 | 10.711 h |
| December | 12.2°C6.9°C | 6.9°C | 26 | 7.9 | 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
- Longshui in SeptemberChina · 25 kmHigh 26.8°C · Low 20.3°C · 131 mm rain
- Yongchuan in SeptemberChina · 30 kmHigh 27.3°C · Low 20.8°C · 120 mm rain
- Nandajie in SeptemberChina · 30 kmHigh 27.3°C · Low 20.8°C · 120 mm rain
- Longgang, China in SeptemberChina · 35 kmHigh 26.6°C · Low 20.2°C · 128 mm rain
- Fuji, China in SeptemberChina · 35 kmHigh 27.2°C · Low 20.7°C · 123 mm rain
- Neijiang in SeptemberChina · 55 kmHigh 26.4°C · Low 20.0°C · 110 mm rain
- Luzhou in SeptemberChina · 59 kmHigh 27.4°C · Low 21.0°C · 125 mm rain
- Qinggang in SeptemberChina · 63 kmHigh 27.6°C · Low 21.1°C · 111 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 Changyuan) is explained once on the Changyuan year overview and on the Sources, method and limits page.