Climate averages 1991–2020
Hengyang weather
in September.
A hot, moderately wet month: the 4th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Hengyang: daytime highs average 29.5°C and nights cool to about 22.0°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 80 mm of rain on roughly 10 days, which makes September a moderately wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 20 min on an average September day.
The nearest other city in this atlas is Leiyang (59 km away). In September its highs average 29.6°C, about as warm as Hengyang, with 82 mm of rain.
Among the 884 cities listed in China, Hengyang ranks joint 106th of 884 for the warmest September highs and joint 383rd of 884 for the driest September (rainfall, lowest first). The mean September high of those 884 cities is 25.7°C; Hengyang is 3.8°C warmer than that mean.
From September to October, average highs fall by 4.9°C to 24.5°C, and monthly rainfall falls from 80 mm to 71 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
Hengyang climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 10.3°C3.8°C | 3.8°C | 73 | 11.2 | 10.711 h |
| February | 13.1°C6.0°C | 6.0°C | 82 | 12.5 | 11.211 h |
| March | 17.0°C9.5°C | 9.5°C | 164 | 18.4 | 12.012 h |
| April | 23.1°C15.0°C | 15.0°C | 220 | 17.7 | 12.813 h |
| May | 27.1°C19.5°C | 19.5°C | 268 | 17.6 | 13.513 h |
| June | 29.9°C23.2°C | 23.2°C | 292 | 17.9 | 13.814 h |
| July | 33.4°C26.2°C | 26.2°C | 148 | 12.1 | 13.714 h |
| August | 33.2°C25.8°C | 25.8°C | 134 | 13.8 | 13.113 h |
| September, selected | 29.5°C22.0°C | 22.0°C | 80 | 9.9 | 12.312 h |
| October | 24.5°C16.7°C | 16.7°C | 71 | 7.9 | 11.512 h |
| November | 18.5°C10.9°C | 10.9°C | 81 | 8.5 | 10.811 h |
| December | 12.7°C5.5°C | 5.5°C | 50 | 7.8 | 10.510 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
- Leiyang in SeptemberChina · 59 kmHigh 29.6°C · Low 22.2°C · 82 mm rain
- Yongfeng in SeptemberChina · 77 kmHigh 28.4°C · Low 21.1°C · 83 mm rain
- Gantang in SeptemberChina · 88 kmHigh 28.2°C · Low 20.7°C · 84 mm rain
- Xiangxiang in SeptemberChina · 94 kmHigh 28.8°C · Low 21.3°C · 87 mm rain
- Xiangtan in SeptemberChina · 110 kmHigh 29.0°C · Low 21.4°C · 89 mm rain
- Loudi in SeptemberChina · 112 kmHigh 28.1°C · Low 20.5°C · 76 mm rain
- Yongzhou in SeptemberChina · 113 kmHigh 29.0°C · Low 21.7°C · 72 mm rain
- Shaoshan in SeptemberChina · 115 kmHigh 28.3°C · Low 20.8°C · 81 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 Hengyang) is explained once on the Hengyang year overview and on the Sources, method and limits page.