Climate averages 1991–2020
Yichun weather
in September.
A hot, 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 Yichun: daytime highs average 28.7°C and nights cool to about 21.8°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 106 mm of rain on roughly 12 days, which makes September a wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 21 min on an average September day.
The nearest other city in this atlas is Xinyu (53 km away). In September its highs average 29.2°C, 0.5°C warmer than Yichun, with 85 mm of rain.
Among the 884 cities listed in China, Yichun ranks joint 156th of 884 for the warmest September highs and joint 592nd of 884 for the driest September (rainfall, lowest first). The mean September high of those 884 cities is 25.7°C; Yichun is 3.0°C warmer than that mean.
From September to October, average highs fall by 4.7°C to 24.0°C, and monthly rainfall falls from 106 mm to 65 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
Yichun climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.9°C3.5°C | 3.5°C | 75 | 10.8 | 10.611 h |
| February | 12.7°C5.6°C | 5.6°C | 94 | 12.0 | 11.211 h |
| March | 16.6°C9.1°C | 9.1°C | 210 | 18.2 | 12.012 h |
| April | 22.7°C14.5°C | 14.5°C | 276 | 18.5 | 12.813 h |
| May | 26.8°C19.3°C | 19.3°C | 308 | 18.6 | 13.514 h |
| June | 29.4°C22.7°C | 22.7°C | 372 | 20.5 | 13.914 h |
| July | 32.8°C25.2°C | 25.2°C | 210 | 16.4 | 13.714 h |
| August | 32.3°C25.2°C | 25.2°C | 182 | 17.4 | 13.113 h |
| September, selected | 28.7°C21.8°C | 21.8°C | 106 | 11.6 | 12.312 h |
| October | 24.0°C16.7°C | 16.7°C | 65 | 7.5 | 11.512 h |
| November | 18.0°C10.8°C | 10.8°C | 89 | 9.1 | 10.811 h |
| December | 12.2°C5.2°C | 5.2°C | 60 | 7.9 | 10.410 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
- Xinyu in SeptemberChina · 53 kmHigh 29.2°C · Low 21.9°C · 85 mm rain
- Pingxiang in SeptemberChina · 59 kmHigh 28.7°C · Low 21.1°C · 97 mm rain
- Guankou in SeptemberChina · 84 kmHigh 29.3°C · Low 21.3°C · 86 mm rain
- Xishan in SeptemberChina · 90 kmHigh 29.4°C · Low 21.6°C · 82 mm rain
- Ji’an in SeptemberChina · 98 kmHigh 29.7°C · Low 22.2°C · 85 mm rain
- Dunhou in SeptemberChina · 100 kmHigh 29.7°C · Low 22.3°C · 85 mm rain
- Zhuzhou in SeptemberChina · 123 kmHigh 29.2°C · Low 21.6°C · 85 mm rain
- Changsha in SeptemberChina · 146 kmHigh 28.8°C · Low 21.2°C · 85 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 Yichun) is explained once on the Yichun year overview and on the Sources, method and limits page.