Chongqing
September
Weather in Chongqing for September 2025
Your guide to Chongqing weather in September - trends and predictions
In general, the average temperature in Chongqing at the beginning of September is 38.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 26.7 °C by the end of September.
Expect significant rainfall in Chongqing during September, with an average of 20 rainy days.
Is September a good time to visit Chongqing? check out the best time to travel to Chongqing page.
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10
Dry days
20
Rainy days
0
Snow days
29°/23°
Temperatures
10 km/h
Avg max wind
69 %
Avg humidity
Chongqing in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  39° | 2  40° | 3  41° | 4  38° | 5 37° | 6  36° | 7 36° |
| 8 37° | 9 37° | 10 37° | 11 35° | 12  30° | 13 33° | 14 34° |
| 15 35° | 16 36° | 17 36° | 18 34° | 19 36° | 20 33° | 21 28° |
| 22  25° | 23 25° | 24 27° | 25 27° | 26 25° | 27 29° | 28 29° |
| 29 28° | 30 22° |
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Temperatures trend during September in Chongqing
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Cloudy | 39° /29° | 0.3 mm | 8 | |
| 2 Sept. | Light rain | 40° /30° | 1.7 mm | 9 | |
| 3 Sept. | Partly cloudy | 41° /30° | 0 mm | 10 | |
| 4 Sept. | Patchy rain possible | 38° /27° | 1.2 mm | 9 | |
| 5 Sept. | Patchy rain possible | 37° /26° | 6.2 mm | 8 | |
| 6 Sept. | Sunny | 36° /26° | 0.8 mm | 9 | |
| 7 Sept. | Partly cloudy | 36° /27° | 1.6 mm | 9 | |
| 8 Sept. | Partly cloudy | 37° /27° | 0.8 mm | 9 | |
| 9 Sept. | Partly cloudy | 37° /27° | 0.8 mm | 9 | |
| 10 Sept. | Partly cloudy | 37° /28° | 1.3 mm | 9 | |
| 11 Sept. | Light rain shower | 35° /24° | 6.5 mm | 8 | |
| 12 Sept. | Overcast | 30° /23° | 0.6 mm | 7 | |
| 13 Sept. | Partly cloudy | 33° /24° | 0 mm | 8 | |
| 14 Sept. | Partly cloudy | 34° /25° | 0.7 mm | 8 | |
| 15 Sept. | Partly cloudy | 35° /26° | 0 mm | 9 | |
| 16 Sept. | Partly cloudy | 36° /26° | 0 mm | 8 | |
| 17 Sept. | Patchy rain possible | 36° /26° | 1.9 mm | 8 | |
| 18 Sept. | Light rain shower | 34° /27° | 2.5 mm | 8 | |
| 19 Sept. | Light rain shower | 36° /27° | 1.6 mm | 8 | |
| 20 Sept. | Light rain shower | 33° /26° | 15.6 mm | 7 | |
| 21 Sept. | Light rain shower | 28° /21° | 21.2 mm | 6 | |
| 22 Sept. | Moderate rain | 25° /22° | 8.5 mm | 6 | |
| 23 Sept. | Light rain | 25° /21° | 10.2 mm | 6 | |
| 24 Sept. | Light rain | 27° /23° | 5.6 mm | 6 | |
| 25 Sept. | Patchy rain possible | 27° /23° | 0.9 mm | 7 | |
| 26 Sept. | Light drizzle | 25° /21° | 1.3 mm | 6 | |
| 27 Sept. | Patchy rain possible | 29° /23° | 0.2 mm | 7 | |
| 28 Sept. | Light rain shower | 29° /23° | 1.7 mm | 6 | |
| 29 Sept. | Patchy rain possible | 28° /22° | 3.9 mm | 6 | |
| 30 Sept. | Patchy rain possible | 22° /18° | 15.2 mm | 5 | |
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Important Notice
Our weather forecast for Chongqing 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 Chongqing forecast closer to your planned date for the most up-to-date weather information.
Chongqing in September - FAQ
What are the expected maximum and minimum temperatures in Chongqing during September?
During September, expect a variety of temperatures with highs around 29° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in Chongqing during September?
Significant rainfall exceeding 145 mm is expected in Chongqing during September, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Chongqing during September?
The average wind speed in Chongqing during September is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Chongqing in September?
As you prepare for your trip to Chongqing 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 Chongqing, 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
- Sandals/Flip-flops: Comfortable for warm climates
- 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 Chongqing
Explore the daily rainfall trends and prepare for Chongqings September weather 💧
UV exposure in Chongqing during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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