Climate averages 1991–2020
Jiayue weather
in September.
A warm, moderately wet month: the 4th warmest and the 10th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Jiayue: daytime highs average 25.7°C and nights cool to about 16.7°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 74 mm of rain on roughly 6 days, which makes September a moderately 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 Zhu Cheng City (21 km away). In September its highs average 25.9°C, about as warm as Jiayue, with 76 mm of rain.
Among the 884 cities listed in China, Jiayue ranks joint 549th of 884 for the warmest September highs and joint 299th of 884 for the driest September (rainfall, lowest first). The mean September high of those 884 cities is 25.7°C; Jiayue is level with that mean.
From September to October, average highs fall by 5.4°C to 20.3°C, and monthly rainfall falls from 74 mm to 30 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
Jiayue climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 4.0°C-5.1°C | -5.1°C | 11 | 2.3 | 10.010 h |
| February | 7.3°C-3.1°C | -3.1°C | 16 | 3.2 | 10.811 h |
| March | 13.2°C1.2°C | 1.2°C | 24 | 4.4 | 11.912 h |
| April | 20.1°C7.8°C | 7.8°C | 40 | 5.8 | 13.113 h |
| May | 25.5°C13.8°C | 13.8°C | 64 | 6.7 | 14.114 h |
| June | 29.2°C18.7°C | 18.7°C | 67 | 7.2 | 14.615 h |
| July | 30.3°C22.5°C | 22.5°C | 186 | 13.2 | 14.314 h |
| August | 29.1°C21.8°C | 21.8°C | 165 | 13.4 | 13.514 h |
| September, selected | 25.7°C16.7°C | 16.7°C | 74 | 6.3 | 12.412 h |
| October | 20.3°C10.3°C | 10.3°C | 30 | 4.2 | 11.311 h |
| November | 12.6°C3.0°C | 3.0°C | 27 | 4.3 | 10.310 h |
| December | 5.8°C-3.0°C | -3.0°C | 14 | 2.7 | 9.810 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
- Zhu Cheng City in SeptemberChina · 21 kmHigh 25.9°C · Low 17.0°C · 76 mm rain
- Jingzhi in SeptemberChina · 37 kmHigh 26.1°C · Low 17.2°C · 69 mm rain
- Linghe in SeptemberChina · 39 kmHigh 25.9°C · Low 16.9°C · 71 mm rain
- Linjiacun in SeptemberChina · 43 kmHigh 25.6°C · Low 17.2°C · 79 mm rain
- Anqiu in SeptemberChina · 46 kmHigh 26.0°C · Low 17.1°C · 65 mm rain
- Chaigou in SeptemberChina · 47 kmHigh 26.1°C · Low 17.0°C · 69 mm rain
- Yishan in SeptemberChina · 48 kmHigh 25.2°C · Low 16.2°C · 70 mm rain
- Kanjia in SeptemberChina · 53 kmHigh 26.4°C · Low 17.2°C · 69 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 Jiayue) is explained once on the Jiayue year overview and on the Sources, method and limits page.