Climate averages 1991–2020
Donghe weather
in September.
A warm, very wet month: the joint 4th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Donghe: daytime highs average 24.9°C and nights cool to about 18.5°C. By daytime temperature it is the joint 4th warmest of the 12 months.
Expect about 217 mm of rain on roughly 17 days, which makes September a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 24 min on an average September day.
The nearest other city in this atlas is Guangyuan (51 km away). In September its highs average 24.2°C, 0.7°C cooler than Donghe, with 193 mm of rain.
Among the 884 cities listed in China, Donghe ranks joint 599th of 884 for the warmest September highs and joint 863rd of 884 for the driest September (rainfall, lowest first). The mean September high of those 884 cities is 25.7°C; Donghe is 0.8°C cooler than that mean.
From September to October, average highs fall by 4.8°C to 20.1°C, and monthly rainfall falls from 217 mm to 119 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
Donghe climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.4°C1.7°C | 1.7°C | 30 | 8.2 | 10.310 h |
| February | 11.8°C3.9°C | 3.9°C | 37 | 8.6 | 11.011 h |
| March | 16.2°C7.6°C | 7.6°C | 54 | 10.9 | 12.012 h |
| April | 21.3°C12.2°C | 12.2°C | 82 | 11.7 | 13.013 h |
| May | 24.9°C16.4°C | 16.4°C | 129 | 13.5 | 13.814 h |
| June | 27.9°C19.9°C | 19.9°C | 179 | 14.4 | 14.214 h |
| July | 29.6°C22.5°C | 22.5°C | 315 | 22.5 | 14.014 h |
| August | 29.3°C22.1°C | 22.1°C | 219 | 19.6 | 13.313 h |
| September, selected | 24.9°C18.5°C | 18.5°C | 217 | 16.9 | 12.412 h |
| October | 20.1°C13.7°C | 13.7°C | 119 | 14.6 | 11.411 h |
| November | 15.5°C8.3°C | 8.3°C | 65 | 9.7 | 10.511 h |
| December | 10.6°C3.1°C | 3.1°C | 30 | 7.8 | 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
- Guangyuan in SeptemberChina · 51 kmHigh 24.2°C · Low 17.7°C · 193 mm rain
- Bazhong in SeptemberChina · 58 kmHigh 25.8°C · Low 19.1°C · 197 mm rain
- Mianyang, China in SeptemberChina · 109 kmHigh 22.8°C · Low 17.0°C · 210 mm rain
- Hanzhong in SeptemberChina · 115 kmHigh 22.7°C · Low 16.5°C · 170 mm rain
- Chenggu in SeptemberChina · 140 kmHigh 23.0°C · Low 16.6°C · 198 mm rain
- Dazhou in SeptemberChina · 158 kmHigh 26.9°C · Low 20.1°C · 177 mm rain
- Jiangyou in SeptemberChina · 158 kmHigh 24.3°C · Low 18.6°C · 164 mm rain
- Xixiang in SeptemberChina · 161 kmHigh 24.8°C · Low 17.7°C · 175 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 Donghe) is explained once on the Donghe year overview and on the Sources, method and limits page.