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Chengdu Shi (Chengdu)
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Weather in Chengdu Shi for September 2025

Your guide to Chengdu Shi weather in September - trends and predictions

    Official Weather Alert ⚠️

  • Rainstorm Warning - See hour by hour.

    • Temperatures

  • Until now, September 2025 in Chengdu Shi has been nearly identical to the historical average, with a temperature of 28.1 °C (showing only a slight deviation of -0.4 °C).

  • The forecast for the next days in Chengdu Shi predicts a temperature of 23.3 °C, which is cooler than the historical average.

  • In general, the average temperature in Chengdu Shi at the beginning of September is 28.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 25.3 °C by the end of September.

    • Rain 🌧️

  • Chengdu Shi experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 159 mm.

    • More

  • Is September a good time to visit Chengdu Shi? check out the best time to travel to Chengdu Shi page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
3
Dry days
Average rainy days
27
Rainy days
Average snowy days
0
Snow days
Average temperatures
27°/21°
Temperatures
Average wind speed
10 km/h
Avg max wind
Average humidity
75 %
Avg humidity

Chengdu Shi Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
28°
2
Moderate rain at times
29°
3
Patchy rain possible
29°
4
Partly cloudy
29°
5
Light rain shower
29°
6
Light rain shower
29°
7
Partly cloudy
29°
8
Cloudy
28°
9
Partly cloudy
29°
10
Light rain shower
29°
11
Light rain shower
29°
12
Cloudy
29°
13
Moderate rain at times
28°
14
Moderate or heavy rain shower
27°
15
Moderate or heavy rain shower
27°
16
Light rain shower
27°
17
Weather Alert Patchy rain possible
22°
18
Weather Alert Patchy rain possible
19°
19
Patchy rain possible
21°
20
Patchy rain possible
23°
21
Patchy rain possible
20°
22
Patchy rain possible
18°
23
Patchy rain possible
26°
24
Patchy rain possible
26°
25
Patchy rain possible
25°
26
Sunny
28°
27
Sunny
28°
28
Cloudy
23°
29
Cloudy
22°
30
Overcast
25°

Temperatures trend during September in Chengdu Shi

See the weather trend as well as the moving average line

September weather in Chengdu Shi day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
 28° /20° 4.7 mm 6
2 Sept. Moderate rain at times
Moderate rain at times
 29° /21° 1.9 mm 7
3 Sept. Patchy rain possible
Patchy rain possible
 29° /21° 4.1 mm 6
4 Sept. Partly cloudy
Partly cloudy
 29° /21° 6 mm 7
5 Sept. Light rain shower
Light rain shower
 29° /20° 3.2 mm 7
6 Sept. Light rain shower
Light rain shower
 29° /20° 3.2 mm 7
7 Sept. Partly cloudy
Partly cloudy
 29° /21° 4 mm 7
8 Sept. Cloudy
Cloudy
 28° /21° 1.9 mm 6
9 Sept. Partly cloudy
Partly cloudy
 29° /21° 6.4 mm 6
10 Sept. Light rain shower
Light rain shower
 29° /21° 13.2 mm 6
11 Sept. Light rain shower
Light rain shower
 29° /20° 11.6 mm 6
12 Sept. Cloudy
Cloudy
 29° /20° 3.2 mm 6
13 Sept. Moderate rain at times
Moderate rain at times
 28° /21° 7.9 mm 6
14 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 27° /21° 21.8 mm 6
15 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 27° /21° 8 mm 6
16 Sept. Light rain shower
Light rain shower
 27° /21° 4.9 mm 6
17 Sept. Patchy rain possible
Patchy rain possible
 22° /20° 4.1 mm 0.3
18 Sept. Patchy rain possible
Patchy rain possible
 19° /19° 2.1 mm 0.2
19 Sept. Patchy rain possible
Patchy rain possible
 21° /19° 2.8 mm 0.4
20 Sept. Patchy rain possible
Patchy rain possible
 23° /19° 0.4 mm 1
21 Sept. Patchy rain possible
Patchy rain possible
 20° /18° 3.1 mm 0.4
22 Sept. Patchy rain possible
Patchy rain possible
 18° /17° 4.4 mm 4
23 Sept. Patchy rain possible
Patchy rain possible
 26° /17° 2.6 mm 5
24 Sept. Patchy rain possible
Patchy rain possible
 26° /19° 0.5 mm 5
25 Sept. Patchy rain possible
Patchy rain possible
 25° /20° 1.1 mm 5
26 Sept. Sunny
Sunny
 28° /20° 0 mm 6
27 Sept. Sunny
Sunny
 28° /20° 0 mm 6
28 Sept. Cloudy
Cloudy
 23° /21° 0 mm 5
29 Sept. Cloudy
Cloudy
 22° /20° 0 mm 5
30 Sept. Overcast
Overcast
 25° /21° 0.1 mm 5
Next
Important Notice
Our weather forecast for Chengdu Shi in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Chengdu Shi forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Chengdu Shi weather in September vs August vs October

Compare September weather in Chengdu Shi with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
AugustSeptemberOctober
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures31°/23°27°/21°20°/16°
Rainfall216 mm159 mm64 mm
Wind9.3 km/h10.4 km/h8.9 km/h
Humidity76%75%74%
Rainy days27 days27 days19 days
Dry days4 days3 days12 days

Planning a trip to Chengdu Shi? Discover the best time to visit

Chengdu Shi in September - FAQ

What are the expected maximum and minimum temperatures in Chengdu Shi during September?
During September, expect a variety of temperatures with highs around 27° and lows near 21°, suitable for diverse activities and preferences.
How much rainfall should be expected in Chengdu Shi during September?
Significant rainfall exceeding 159 mm is expected in Chengdu Shi during September, occurring over more than 27 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Chengdu Shi during September?
The average wind speed in Chengdu Shi during September is 10 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Chengdu Shi in September?

As you prepare for your trip to Chengdu Shi in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Chengdu Shi, during September, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days
  • Personal Items
    • Sunscreen: High SPF for sunny destinations
    • Lip Balm with SPF: To protect against chapped lips

September rainfall patterns in Chengdu Shi

Explore the daily rainfall trends and prepare for Chengdu Shis September weather 💧

UV exposure in Chengdu Shi during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is Chengdu Shi?

Get accurate weather forecasts for Chengdu Shi, located at latitude 30.667 and longitude 104.067. Stay updated with localized weather information tailored for Chengdu Shi.

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