Climate averages 1991–2020
Yima weather
in September.
A warm, wet month: the 5th 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 Yima: daytime highs average 24.3°C and nights cool to about 15.7°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 104 mm of rain on roughly 10 days, which makes September a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 26 min on an average September day.
The nearest other city in this atlas is Luoyang (51 km away). In September its highs average 26.4°C, 2.1°C warmer than Yima, with 95 mm of rain.
Among the 884 cities listed in China, Yima ranks joint 628th of 884 for the warmest September highs and joint 583rd of 884 for the driest September (rainfall, lowest first). The mean September high of those 884 cities is 25.7°C; Yima is 1.4°C cooler than that mean.
From September to October, average highs fall by 5.0°C to 19.3°C, and monthly rainfall falls from 104 mm to 51 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
Yima climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 5.1°C-4.8°C | -4.8°C | 11 | 3.0 | 10.110 h |
| February | 8.7°C-2.3°C | -2.3°C | 16 | 3.5 | 10.911 h |
| March | 14.7°C2.5°C | 2.5°C | 25 | 4.7 | 11.912 h |
| April | 21.3°C8.5°C | 8.5°C | 39 | 5.5 | 13.013 h |
| May | 26.2°C14.1°C | 14.1°C | 56 | 6.4 | 14.014 h |
| June | 30.2°C19.0°C | 19.0°C | 72 | 7.7 | 14.414 h |
| July | 30.3°C21.6°C | 21.6°C | 147 | 14.2 | 14.214 h |
| August | 28.4°C20.5°C | 20.5°C | 135 | 13.5 | 13.513 h |
| September, selected | 24.3°C15.7°C | 15.7°C | 104 | 9.8 | 12.412 h |
| October | 19.3°C9.7°C | 9.7°C | 51 | 6.4 | 11.311 h |
| November | 12.6°C2.7°C | 2.7°C | 29 | 4.8 | 10.410 h |
| December | 6.6°C-2.9°C | -2.9°C | 9.5 | 2.4 | 9.910 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
- Luoyang in SeptemberChina · 51 kmHigh 26.4°C · Low 17.2°C · 95 mm rain
- Changzhi (Shanxi, 35.21°N 111.74°E), China in SeptemberChina · 54 kmHigh 24.8°C · Low 16.4°C · 86 mm rain
- Sanmenxia in SeptemberChina · 63 kmHigh 25.0°C · Low 16.4°C · 103 mm rain
- Jiyuan in SeptemberChina · 75 kmHigh 26.1°C · Low 16.8°C · 91 mm rain
- Yuncheng in SeptemberChina · 87 kmHigh 26.0°C · Low 17.2°C · 81 mm rain
- Jincheng in SeptemberChina · 121 kmHigh 23.1°C · Low 14.2°C · 74 mm rain
- Yongji in SeptemberChina · 133 kmHigh 26.1°C · Low 17.2°C · 106 mm rain
- Jiaozuo in SeptemberChina · 135 kmHigh 26.4°C · Low 16.9°C · 73 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 Yima) is explained once on the Yima year overview and on the Sources, method and limits page.