Weather in Chengdu for September 2025
In general, the average temperature in Chengdu 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 during September, with an average of 19 rainy days.
Is September a good time to visit Chengdu? check out the best time to travel to Chengdu page.
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Chengdu in September average weather
Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 29° | 2 32° | 3 33° | 4 33° | 5 32° | 6 32° | 7 29° |
8 32° | 9 31° | 10 27° | 11 28° | 12 29° | 13 28° | 14 29° |
15 28° | 16 30° | 17 29° | 18 29° | 19 28° | 20 30° | 21 28° |
22 27° | 23 25° | 24 25° | 25 25° | 26 26° | 27 27° | 28 26° |
29 24° | 30 21° |
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Temperatures trend during September in Chengdu
September weather day by day
Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
1 Sept. | Moderate or heavy rain shower | 29° /22° | 9 mm | 6 | |
2 Sept. | Sunny | 32° /21° | 2.9 mm | 8 | |
3 Sept. | Sunny | 33° /22° | 3.7 mm | 8 | |
4 Sept. | Partly cloudy | 33° /23° | 2.6 mm | 8 | |
5 Sept. | Cloudy | 32° /23° | 5.3 mm | 7 | |
6 Sept. | Light rain shower | 32° /23° | 7 mm | 7 | |
7 Sept. | Patchy light drizzle | 29° /23° | 10 mm | 6 | |
8 Sept. | Cloudy | 32° /23° | 3.6 mm | 7 | |
9 Sept. | Light rain shower | 31° /23° | 15.5 mm | 7 | |
10 Sept. | Light rain shower | 27° /22° | 29.8 mm | 6 | |
11 Sept. | Light rain shower | 28° /20° | 23.7 mm | 6 | |
12 Sept. | Cloudy | 29° /20° | 7.8 mm | 7 | |
13 Sept. | Partly cloudy | 28° /21° | 10.6 mm | 7 | |
14 Sept. | Cloudy | 29° /21° | 9.5 mm | 6 | |
15 Sept. | Cloudy | 28° /22° | 6 mm | 6 | |
16 Sept. | Light rain shower | 30° /22° | 5.4 mm | 7 | |
17 Sept. | Light rain | 29° /22° | 4.7 mm | 7 | |
18 Sept. | Patchy rain possible | 29° /23° | 2 mm | 7 | |
19 Sept. | Light rain shower | 28° /24° | 2.7 mm | 6 | |
20 Sept. | Light rain shower | 30° /22° | 3.2 mm | 7 | |
21 Sept. | Partly cloudy | 28° /21° | 0.3 mm | 8 | |
22 Sept. | Light rain shower | 27° /21° | 0.4 mm | 7 | |
23 Sept. | Light drizzle | 25° /21° | 0.6 mm | 6 | |
24 Sept. | Light drizzle | 25° /20° | 0.7 mm | 6 | |
25 Sept. | Light drizzle | 25° /21° | 1.4 mm | 6 | |
26 Sept. | Light drizzle | 26° /20° | 1.4 mm | 6 | |
27 Sept. | Patchy rain possible | 27° /21° | 0.4 mm | 7 | |
28 Sept. | Patchy rain possible | 26° /20° | 2.3 mm | 6 | |
29 Sept. | Overcast | 24° /18° | 0.8 mm | 5 | |
30 Sept. | Patchy rain possible | 21° /18° | 0.9 mm | 5 | |
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Chengdu in September - FAQ
What to pack to Chengdu in September?
As you prepare for your trip to Chengdu 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, 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
UV exposure in Chengdu during September
Quick links
Get accurate weather forecasts for Chengdu, located at latitude 30.667 and longitude 104.067. Stay updated with localized weather information tailored for Chengdu.