Climate averages 1991–2020
Jiujiang weather
in September.
A hot, wet month: the 4th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Jiujiang: daytime highs average 28.1°C and nights cool to about 21.5°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 91 mm of rain on roughly 9 days, which makes September a wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 22 min on an average September day.
The nearest other city in this atlas is Wuxue (46 km away). In September its highs average 28.2°C, about as warm as Jiujiang, with 85 mm of rain.
Among the 884 cities listed in China, Jiujiang ranks joint 187th of 884 for the warmest September highs and joint 506th of 884 for the driest September (rainfall, lowest first). The mean September high of those 884 cities is 25.7°C; Jiujiang is 2.4°C warmer than that mean.
From September to October, average highs fall by 5.0°C to 23.0°C, and monthly rainfall falls from 91 mm to 60 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
Jiujiang climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.6°C2.4°C | 2.4°C | 73 | 9.5 | 10.510 h |
| February | 11.3°C4.2°C | 4.2°C | 101 | 11.1 | 11.111 h |
| March | 15.7°C8.0°C | 8.0°C | 157 | 14.5 | 12.012 h |
| April | 21.8°C13.8°C | 13.8°C | 203 | 14.6 | 12.913 h |
| May | 26.3°C19.0°C | 19.0°C | 237 | 14.2 | 13.614 h |
| June | 28.9°C22.8°C | 22.8°C | 344 | 16.9 | 14.014 h |
| July | 32.2°C26.2°C | 26.2°C | 243 | 15.4 | 13.914 h |
| August | 31.8°C25.7°C | 25.7°C | 167 | 16.1 | 13.213 h |
| September, selected | 28.1°C21.5°C | 21.5°C | 91 | 9.3 | 12.412 h |
| October | 23.0°C16.1°C | 16.1°C | 60 | 7.0 | 11.511 h |
| November | 17.0°C10.2°C | 10.2°C | 66 | 7.9 | 10.711 h |
| December | 11.0°C4.4°C | 4.4°C | 49 | 7.0 | 10.310 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
- Wuxue in SeptemberChina · 46 kmHigh 28.2°C · Low 21.2°C · 85 mm rain
- Huangmei in SeptemberChina · 54 kmHigh 28.0°C · Low 20.8°C · 92 mm rain
- Pengze in SeptemberChina · 57 kmHigh 27.8°C · Low 21.2°C · 74 mm rain
- Poyang in SeptemberChina · 102 kmHigh 29.4°C · Low 22.5°C · 77 mm rain
- Qingquan in SeptemberChina · 110 kmHigh 28.7°C · Low 20.5°C · 91 mm rain
- Daye in SeptemberChina · 110 kmHigh 28.4°C · Low 21.4°C · 94 mm rain
- Huangshi in SeptemberChina · 110 kmHigh 28.4°C · Low 21.4°C · 92 mm rain
- Nanchang in SeptemberChina · 114 kmHigh 29.1°C · Low 22.0°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 Jiujiang) is explained once on the Jiujiang year overview and on the Sources, method and limits page.