Changsha weather in September
Temperature, rain and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Good
Best time to visit: September – November
What is the weather like in Changsha in September?
In September, Changsha is hot: daytime highs average 29 °C, and even at night it stays warm at around 22 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 80 mm in total. On about 14 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, September is a good month for a holiday in Changsha.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 38 | 62 | 76 |
| Day | 33° | 29° | 24° |
| Night | 26° | 22° | 16° |
| Sun | 7 h | 5 h | 4 h |
| Rain days | 13 | 9 | 8 |
More details for September
- Daylight
- 12 h 22 min06:13 – 18:34
- UV index
- 9 · very highclear sky, noon (estimate)All months
- Muggy days
- 21 daysdew point 18 °C or moreAll months
- Wind
- 13 km/haverage daily peakAll months
- Cloud cover
- 56 %on averageAll months
- Hot days
- 14 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+8Asia/Shanghai
How the score comes together
- Temperatureweight 50 %71 %
- Sunshineweight 20 %33 %
- Few rainy daysweight 30 %64 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in September
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Changsha in September: quick answers
Is Changsha hot in September?
Yes. In September, Changsha is hot: daytime highs average 29 °C and nights stay around 22 °C. On about 14 days the thermometer climbs to 30 °C or more.
Does it rain much in Changsha in September?
Rain is frequent, with about 9 rainy days and 80 mm in total.
Changsha month by month
The whole year in ChangshaAll destinations: ChinaWhere to go in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences