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The weather in September in Chengdu

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.

Looking for sun? September isn’t a good month to be in Chengdu. The temperature is nice, but there’s too much chance of rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Chengdu, China. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 35°C in 2018, Chengdu reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 19°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 15°C to a highest value of 26°C.

Rainfall amount

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.

Daily weather in September for Chengdu

Click on any day in September to get detailed info about the usual weather on that day in Chengdu. Check out the historical temperatures and precipitation over the past 10 years on this day.

September weather comparison

  Chengdu New York
Average temperature 27°C 27°C
Max. temperature 30°C 31°C
Min. temperature 19°C -5°C
Total precipitation 134 mm 57 mm
Rainy days 16 days 9 days

Start of September

The month of September starts in Chengdu with hot temps, averaging around 29°C during the day and nights around 22°C.

Mid September

By mid-September, daytime temps drop to around 27°C, with nights around 21°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

End of September

By the end of September, the average daytime temperature in Chengdu is around 26°C, while nighttime temps are about 20°C. A shower might pop up, but overall, the weather will be dry and sunny.

Find affordable trips to Chengdu

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.

The typhoon season in Chengdu runs from June to November.

Check out the climate of Chengdu for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in September in Chengdu, China. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Chengdu

Temperature in September in Chengdu over the years

Precipitation charts

These charts show the average amount of precipitation in September in Chengdu, China. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in September in Chengdu

Total precipitation in September in Chengdu over the years

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.

Weather experiences in September in Chengdu

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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.