Climate averages 1991–2020
Laohekou weather
in September.
A warm, moderately wet month: the 5th 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 Laohekou: daytime highs average 26.7°C and nights cool to about 18.8°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 84 mm of rain on roughly 9 days, which makes September a moderately wet month (the 9th 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 Gucheng Chengguanzhen (14 km away). In September its highs average 26.4°C, about as warm as Laohekou, with 90 mm of rain.
Among the 884 cities listed in China, Laohekou ranks joint 364th of 884 for the warmest September highs and joint 417th of 884 for the driest September (rainfall, lowest first). The mean September high of those 884 cities is 25.7°C; Laohekou is 1.0°C warmer than that mean.
From September to October, average highs fall by 4.6°C to 22.1°C, and monthly rainfall falls from 84 mm to 64 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
Laohekou climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.5°C-1.1°C | -1.1°C | 17 | 3.4 | 10.310 h |
| February | 11.5°C1.4°C | 1.4°C | 22 | 4.6 | 11.011 h |
| March | 16.5°C5.8°C | 5.8°C | 41 | 6.7 | 12.012 h |
| April | 22.7°C11.6°C | 11.6°C | 55 | 7.2 | 13.013 h |
| May | 27.3°C16.9°C | 16.9°C | 81 | 8.6 | 13.814 h |
| June | 30.7°C21.3°C | 21.3°C | 114 | 8.5 | 14.214 h |
| July | 31.8°C24.2°C | 24.2°C | 136 | 12.9 | 14.114 h |
| August | 30.7°C23.4°C | 23.4°C | 135 | 13.3 | 13.313 h |
| September, selected | 26.7°C18.8°C | 18.8°C | 84 | 9.1 | 12.412 h |
| October | 22.1°C13.2°C | 13.2°C | 64 | 7.7 | 11.411 h |
| November | 15.9°C6.8°C | 6.8°C | 41 | 6.2 | 10.511 h |
| December | 10.4°C1.0°C | 1.0°C | 15 | 3.4 | 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
- Gucheng Chengguanzhen in SeptemberChina · 14 kmHigh 26.4°C · Low 18.7°C · 90 mm rain
- Danjiangkou in SeptemberChina · 23 kmHigh 26.6°C · Low 19.1°C · 90 mm rain
- Dengzhou in SeptemberChina · 51 kmHigh 26.8°C · Low 18.5°C · 82 mm rain
- Xiangyang in SeptemberChina · 59 kmHigh 26.8°C · Low 18.9°C · 85 mm rain
- Nanzhang Chengguanzhen in SeptemberChina · 69 kmHigh 26.5°C · Low 18.8°C · 110 mm rain
- Shiyan in SeptemberChina · 88 kmHigh 25.8°C · Low 18.8°C · 99 mm rain
- Zhenping in SeptemberChina · 89 kmHigh 26.2°C · Low 17.9°C · 83 mm rain
- Zaoyang in SeptemberChina · 106 kmHigh 26.9°C · Low 18.9°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 Laohekou) is explained once on the Laohekou year overview and on the Sources, method and limits page.