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Weather in Chengdu Shi for September 2025

Your guide to Chengdu Shi weather in September - trends and predictions
  • In general, the average temperature in Chengdu Shi at the beginning of September is 31.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 24.9 °C by the end of September.

  • Expect significant rainfall in Chengdu Shi during September, with an average of 19 rainy days.

  • 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
11
Dry days
Average rainy days
19
Rainy days
Average snowy days
0
Snow days
Average temperatures
26°/20°
Temperatures
Average wind speed
10 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Chengdu Shi in September average weather

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Temperatures trend during September in Chengdu Shi

See the weather trend as well as the moving average line
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September weather day by day

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Date Weather Temperatures Rain UV More
1 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
29° /22° 9 mm 6
2 Sept. Sunny
Sunny
32° /21° 2.9 mm 8
3 Sept. Sunny
Sunny
33° /22° 3.7 mm 8
4 Sept. Partly cloudy
Partly cloudy
33° /23° 2.6 mm 8
5 Sept. Cloudy
Cloudy
32° /23° 5.3 mm 7
6 Sept. Light rain shower
Light rain shower
32° /23° 7 mm 7
7 Sept. Patchy light drizzle
Patchy light drizzle
29° /23° 10 mm 6
8 Sept. Cloudy
Cloudy
32° /23° 3.6 mm 7
9 Sept. Light rain shower
Light rain shower
31° /23° 15.5 mm 7
10 Sept. Light rain shower
Light rain shower
27° /22° 29.8 mm 6
11 Sept. Light rain shower
Light rain shower
28° /20° 23.7 mm 6
12 Sept. Cloudy
Cloudy
29° /20° 7.8 mm 7
13 Sept. Partly cloudy
Partly cloudy
28° /21° 10.6 mm 7
14 Sept. Cloudy
Cloudy
29° /21° 9.5 mm 6
15 Sept. Cloudy
Cloudy
28° /22° 6 mm 6
16 Sept. Light rain shower
Light rain shower
30° /22° 5.4 mm 7
17 Sept. Light rain
Light rain
29° /22° 4.7 mm 7
18 Sept. Patchy rain possible
Patchy rain possible
29° /23° 2 mm 7
19 Sept. Light rain shower
Light rain shower
28° /24° 2.7 mm 6
20 Sept. Light rain shower
Light rain shower
30° /22° 3.2 mm 7
21 Sept. Partly cloudy
Partly cloudy
28° /21° 0.3 mm 8
22 Sept. Light rain shower
Light rain shower
27° /21° 0.4 mm 7
23 Sept. Light drizzle
Light drizzle
25° /21° 0.6 mm 6
24 Sept. Light drizzle
Light drizzle
25° /20° 0.7 mm 6
25 Sept. Light drizzle
Light drizzle
25° /21° 1.4 mm 6
26 Sept. Light drizzle
Light drizzle
26° /20° 1.4 mm 6
27 Sept. Patchy rain possible
Patchy rain possible
27° /21° 0.4 mm 7
28 Sept. Patchy rain possible
Patchy rain possible
26° /20° 2.3 mm 6
29 Sept. Overcast
Overcast
24° /18° 0.8 mm 5
30 Sept. Patchy rain possible
Patchy rain possible
21° /18° 0.9 mm 5
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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.

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 26° and lows near 20°, suitable for diverse activities and preferences.
How much rainfall should be expected in Chengdu Shi during September?
Significant rainfall exceeding 142.7 mm is expected in Chengdu Shi during September, occurring over more than 19 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
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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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