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Normal weather for Chengdu 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.

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.

Chengdu in September

New York
Temperature Average Temperature
27°C 27°C
Sun High Temp
30°C 31°C
Sun Low Temp
24°C 21°C
Rain Total Precipitation
134 mm 57 mm
Rain 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. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.

With the temperature difference between day and night, it’s smart to wear layers. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. In the evening and morning, a T-shirt, light pants or skirt, and a light jacket are ideal.

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.

Since it cools down at night, it’s a good idea to wear layers. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. In the evening and morning, a T-shirt, light pants or skirt, and a light jacket are ideal.

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.

Because temperatures drop in the evening, wearing layers is recommended. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. In the evening and morning, a T-shirt, light pants or skirt, and a light jacket are ideal.

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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?

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.

The typhoon season in Chengdu runs from June to November.

Temperature records for Chengdu in September

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

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Daily Temperature in September in Chengdu

This chart shows the average daily high and low temperatures in September for Chengdu, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.

Daily Temperature in September in Chengdu

Daily Precipitation in September in Chengdu

The chart below shows the average daily precipitation in September for Chengdu, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed 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 it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 16 days of precipitation in Chengdu.

Daily Precipitation in September 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.

Daily UV Index in September in Chengdu

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 few years.

Temperature in September in Chengdu Over the Years

Total Precipitation in September in Chengdu Over the Years

This chart shows the average precipitation in September in Chengdu, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.

Precipitation in September in Chengdu Over the Years

Daily Climate 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.

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.


Or check out the climate of Chengdu for all months at once

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