Climate averages 1991–2020
Leiyang weather
in September.
A hot, moderately wet month: the 4th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Leiyang: daytime highs average 29.6°C and nights cool to about 22.2°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 82 mm of rain on roughly 10 days, which makes September a moderately wet month (the 6th 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 Hengyang (59 km away). In September its highs average 29.5°C, about as warm as Leiyang, with 80 mm of rain.
Among the 884 cities listed in China, Leiyang ranks joint 100th of 884 for the warmest September highs and joint 402nd of 884 for the driest September (rainfall, lowest first). The mean September high of those 884 cities is 25.7°C; Leiyang is 3.9°C warmer than that mean.
From September to October, average highs fall by 4.8°C to 24.8°C, and monthly rainfall falls from 82 mm to 66 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
Leiyang climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 10.8°C4.1°C | 4.1°C | 69 | 11.7 | 10.711 h |
| February | 13.7°C6.4°C | 6.4°C | 77 | 12.1 | 11.211 h |
| March | 17.5°C10.0°C | 10.0°C | 152 | 17.4 | 12.012 h |
| April | 23.6°C15.5°C | 15.5°C | 200 | 17.2 | 12.813 h |
| May | 27.5°C20.0°C | 20.0°C | 240 | 17.3 | 13.413 h |
| June | 30.3°C23.7°C | 23.7°C | 251 | 17.5 | 13.814 h |
| July | 33.7°C26.5°C | 26.5°C | 133 | 12.0 | 13.614 h |
| August | 33.3°C26.0°C | 26.0°C | 139 | 14.3 | 13.113 h |
| September, selected | 29.6°C22.2°C | 22.2°C | 82 | 9.7 | 12.312 h |
| October | 24.8°C16.9°C | 16.9°C | 66 | 7.7 | 11.612 h |
| November | 18.9°C11.1°C | 11.1°C | 78 | 8.5 | 10.911 h |
| December | 13.1°C5.8°C | 5.8°C | 53 | 7.8 | 10.511 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
- Hengyang in SeptemberChina · 59 kmHigh 29.5°C · Low 22.0°C · 80 mm rain
- Chenzhou in SeptemberChina · 69 kmHigh 28.7°C · Low 21.5°C · 88 mm rain
- Yongzhou in SeptemberChina · 124 kmHigh 29.0°C · Low 21.7°C · 72 mm rain
- Yongfeng in SeptemberChina · 136 kmHigh 28.4°C · Low 21.1°C · 83 mm rain
- Gantang in SeptemberChina · 145 kmHigh 28.2°C · Low 20.7°C · 84 mm rain
- Lecheng in SeptemberChina · 150 kmHigh 29.8°C · Low 22.1°C · 97 mm rain
- Xiangxiang in SeptemberChina · 151 kmHigh 28.8°C · Low 21.3°C · 87 mm rain
- Xishan in SeptemberChina · 154 kmHigh 29.4°C · Low 21.6°C · 82 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 Leiyang) is explained once on the Leiyang year overview and on the Sources, method and limits page.