Temperatures in September
It's warm in September in Chengdu with an average temperature of 27°C. Temperatures this month range from a low of 24°C to a high of 30°C. At night, you can expect temperatures between 19°C and 22°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Chengdu in September. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of September
The month of September starts in Chengdu with hot temperatures, averaging around 29°C during the day and nights close to 22°C. You can expect regular precipitation, but there’s also a chance for some sunny days in the first days of the month.
Mid-September
By mid-September, the average daytime temperature drops to around 27°C, with nights close to 21°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days.
Temperatures vary between day and night, so it’s smart to wear layers.
End of September
By the end of September, the average daytime temperature in Chengdu will be around 26°C, with nights close to 20°C. A shower might show up, but overall the weather will be dry and sunny.
As it gets cooler in the evening, it’s best to wear layers.
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Precipitation in September
In September, there is an average of 134 mm of precipitation, spread over 16 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
Across the whole month, the average precipitation chance is 52% per day. Though it seems average, the weather’s variable. Some days have a lower chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in September for Chengdu. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Chengdu in September |
London | ||
|---|---|---|---|
 Average Temperature |
27°C | 20°C | |
 High Temp |
30°C | 22°C | |
| Low Temp |
24°C | 17°C | |
 Total Precipitation |
134 mm | 44 mm | |
| Rainy Days |
16 days | 8 days | |
August
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is September a good time to visit Chengdu?
After some sun? Then September isn’t the best time to be in Chengdu. The temperature is pleasant, but there’s too much chance of rain this month.
The typhoon season in Chengdu runs from June to November.
Temperature records for Chengdu in September
With 35°C, Chengdu hit the highest temperature in the last 10 years in September 2018. The lowest daytime temperature in this month was 19°C in 2022. The extreme night temperatures ranged from a low of 15°C to a high of 26°C.
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Daily Temperature in September in Chengdu
This chart shows the average daily temperatures, both day and night, for each day in September in Chengdu, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in Chengdu
The chart below shows the average daily precipitation in September for Chengdu, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 16 days of rain in Chengdu.
Daily UV Index in September in Chengdu
This chart shows the average daily UV index in September in Chengdu, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Chengdu Over the Years
This chart shows the average temperature in September in Chengdu, measured in degrees Celsius, over the past years.
Total Precipitation in September in Chengdu Over the Years
This chart shows the average precipitation in September in Chengdu, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for Chengdu
Click on a specific day in September for detailed info on the typical weather on that day in Chengdu. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Chengdu
Have you been to Chengdu in September?
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Average Weather in Chengdu by Month
Click on a month below to see detailed weather info for Chengdu. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
