Chongqing Weather in September
September in Chongqing brings high temperatures, with daytime highs of 29°C (84°F) and nights around 21°C (70°F). Quite a bit of rainfall is expected, around 128 mm (5 in), so pack an umbrella.
Rainfall in Chongqing in September
Analyzing past climate data, one can expect approximately 15 days of rain, averaging 128 mm (5 in). This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Chongqing in September
Daytime highs in Chongqing in September reach 29°C (84°F), with nights around 21°C (70°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights remain mild at 21°C (70°F), making evenings a pleasant time to be outdoors.
Sunshine in Chongqing in September
You can expect a moderate amount of sunlight, with approximately 107 hours. This means a pleasant mix of sun and overcast.If your ideal day consists of dry skies and pleasant temperatures, March, April, May, September, October and November typically offer the best circumstances for Chongqing.
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 Chongqing's climate page.
Chongqing Temperature in September
Min Temperature
21°C (70°F)
Max Temperature
29°C (84°F)
Chance of Rain
51%
Precipitation
128 mm (5 in)
Rainy days
15 days
Humidity
79%
Sunshine
107 hours
Percentage Sunshine
28%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Chongqing typically drop from around 31°C (88°F) at the start of September to approximately 25°C (77°F) by the end. Nights are warm, with lows typically ranging from 19°C (66°F) to 24°C (75°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 Chongqing in September
Browse day-by-day weather records for Chongqing spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Chongqing historical weather extremes in September
According to our 49 years of weather records for Chongqing, the following extremes were recorded between 1976 and 2025.
- The warmest day in September was on September 1, 2006, with a maximum of 42°C (108°F).
- Chongqing experienced its chilliest September day on September 20, 2011, reaching only 16°C (61°F).
- Nighttime temperatures dropped to 14°C (57°F) on September 27, 1982, marking the coldest September night on record.
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 Chongqing in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Chongqing 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 Chongqing's climate page.
Temperature Rainfall Sunshine Humidity
See the full Chongqing climate overview or explore weather in China.
