Kunming Weather in September
In Kunming, September brings high daytime temperatures around 24°C (75°F), with nights cooling to 16°C (61°F). This month falls within the rainy season, so expect frequent rainfall.
Rainfall in Kunming in September
Kunming is in the rainy season in September, with rain on around 17 days and an average of 177 mm (7 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.
Temperature in Kunming in September
In September, Kunming gets high temperatures, with highs of 24°C (75°F). Nights cool to around 16°C (61°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows of 16°C (61°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Kunming in September
The month experiences a moderate amount of sunlight, with 123 hours of sunshine. This provides a nice balance between sunshine and rain.If you prefer dry days with pleasant temperatures, March and April typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit China, check out our Kunming's climate page.
Kunming Temperature in September
Min Temperature
16°C (61°F)
Max Temperature
24°C (75°F)
Chance of Rain
57%
Precipitation
177 mm (7 in)
Rainy days
17 days
Humidity
79%
Sunshine
123 hours
Percentage Sunshine
34%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Kunming typically stay consistent throughout September, with daily highs averaging around 24°C (75°F). Nights are pleasant, with lows typically ranging from 14°C (57°F) to 16°C (61°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Kunming in September
Browse day-by-day weather records for Kunming spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Kunming historical weather extremes in September
Based on weather observations in Kunming between 1976 and 2025, these are the recorded extremes during September.
- Kunming recorded its highest September temperature of 30°C (86°F) on September 21, 2010.
- The lowest daytime temperature in September was 10°C (50°F), recorded on September 26, 1997.
- Kunming registered its coldest September night on September 30, 2013, with temperatures dropping to 7°C (45°F).
Best Places in China in September
Find out more about the weather in China and which places have the best travel conditions in this month. See all of China in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Kunming in September
For Kunming in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Kunming in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit China, check out our Kunming's climate page.
Temperature Rainfall Sunshine Humidity
See the full Kunming climate overview or explore weather in China.
