Kunming 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
Fair
Best time to visit: February – April, November
What is the weather like in Kunming in September?
In September, Kunming is warm: daytime highs average 22 °C, and nights cool down to about 16 °C. Expect around 4 hours of sunshine a day. It rains often – on about 18 days, adding up to 119 mm. All in all, September is a so-so month for a holiday in Kunming.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 55 | 54 | 64 |
| Day | 23° | 22° | 19° |
| Night | 18° | 16° | 14° |
| Sun | 5 h | 4 h | 5 h |
| Rain days | 23 | 18 | 14 |
More details for September
- Daylight
- 12 h 20 min06:55 – 19:14
- UV index
- 11 · extremeclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 11 km/haverage daily peakAll months
- Cloud cover
- 73 %on averageAll months
- Hot days
- 0 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 %100 %
- Sunshineweight 20 %20 %
- Few rainy daysweight 30 %0 %
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
- Rain jacket or umbrella
Kunming in September: quick answers
Is Kunming hot in September?
Warm rather than hot: in September, daytime highs in Kunming average 22 °C and nights cool to about 16 °C.
Does it rain much in Kunming in September?
It rains often – on about 18 days, adding up to 119 mm.
Kunming month by month
The whole year in KunmingAll 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