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Weather in Chongqing for September 2025

Your guide to Chongqing weather in September - trends and predictions

    Official Weather Alert ⚠️

  • Rainstorm Warning - See hour by hour.

    • Temperatures

  • Until now, September 2025 in Chongqing is slightly cooler than the historical average by -1.8 °C.

  • The forecast for the next days in Chongqing predicts a temperature of 28.7 °C, which is cooler than the historical average.

  • In general, the average temperature in Chongqing at the beginning of September is 33 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 29.7 °C by the end of September.

    • Rain 🌧️

  • Chongqing experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 115.3 mm.

    • More

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

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

Average dry days
7
Dry days
Average rainy days
23
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/23°
Temperatures
Average wind speed
10 km/h
Avg max wind
Average humidity
65 %
Avg humidity

Chongqing Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
32°
2
Overcast
33°
3
Partly cloudy
33°
4
Moderate or heavy rain shower
34°
5
Overcast
34°
6
Patchy rain possible
31°
7
Cloudy
34°
8
Partly cloudy
32°
9
Patchy rain possible
31°
10
Cloudy
33°
11
Light rain shower
33°
12
Moderate or heavy rain shower
30°
13
Patchy rain possible
33°
14
Partly cloudy
34°
15
Partly cloudy
32°
16
Weather Alert Sunny
35°
17
Weather Alert Patchy rain possible
33°
18
Patchy rain possible
27°
19
Patchy rain possible
21°
20
Patchy rain possible
25°
21
Patchy rain possible
28°
22
Patchy rain possible
29°
23
Patchy rain possible
22°
24
Patchy rain possible
25°
25
Partly cloudy
29°
26
Sunny
31°
27
Sunny
31°
28
Sunny
33°
29
Sunny
33°
30
Partly cloudy
26°

Temperatures trend during September in Chongqing

See the weather trend as well as the moving average line

September weather in Chongqing 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
 32° /23° 0.8 mm 7
2 Sept. Overcast
Overcast
 33° /24° 1.4 mm 7
3 Sept. Partly cloudy
Partly cloudy
 33° /24° 2.3 mm 8
4 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 34° /24° 2.3 mm 8
5 Sept. Overcast
Overcast
 34° /23° 5.3 mm 8
6 Sept. Patchy rain possible
Patchy rain possible
 31° /22° 3.2 mm 7
7 Sept. Cloudy
Cloudy
 34° /24° 0.6 mm 8
8 Sept. Partly cloudy
Partly cloudy
 32° /24° 1.6 mm 7
9 Sept. Patchy rain possible
Patchy rain possible
 31° /24° 2.3 mm 7
10 Sept. Cloudy
Cloudy
 33° /24° 3.6 mm 8
11 Sept. Light rain shower
Light rain shower
 33° /23° 5.3 mm 7
12 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /23° 19.3 mm 7
13 Sept. Patchy rain possible
Patchy rain possible
 33° /23° 0.1 mm 8
14 Sept. Partly cloudy
Partly cloudy
 34° /24° 0.4 mm 8
15 Sept. Partly cloudy
Partly cloudy
 32° /24° 1.8 mm 7
16 Sept. Sunny
Sunny
 35° /25° 0 mm 2.1
17 Sept. Patchy rain possible
Patchy rain possible
 33° /26° 4.9 mm 1.4
18 Sept. Patchy rain possible
Patchy rain possible
 27° /23° 2.6 mm 0.5
19 Sept. Patchy rain possible
Patchy rain possible
 21° /21° 1.1 mm 0.1
20 Sept. Patchy rain possible
Patchy rain possible
 25° /21° 2.1 mm 0.6
21 Sept. Patchy rain possible
Patchy rain possible
 28° /22° 0.4 mm 5
22 Sept. Patchy rain possible
Patchy rain possible
 29° /21° 1 mm 5
23 Sept. Patchy rain possible
Patchy rain possible
 22° /20° 1.5 mm 5
24 Sept. Patchy rain possible
Patchy rain possible
 25° /19° 0.1 mm 5
25 Sept. Partly cloudy
Partly cloudy
 29° /21° 0 mm 6
26 Sept. Sunny
Sunny
 31° /22° 0 mm 7
27 Sept. Sunny
Sunny
 31° /23° 0 mm 7
28 Sept. Sunny
Sunny
 33° /23° 0 mm 7
29 Sept. Sunny
Sunny
 33° /24° 0 mm 7
30 Sept. Partly cloudy
Partly cloudy
 26° /19° 7.6 mm 6
Next
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.
Change Month
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Chongqing weather in September vs August vs October

Compare September weather in Chongqing 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
Temperatures34°/26°30°/23°21°/17°
Rainfall169 mm115 mm97 mm
Wind10 km/h10.2 km/h7.6 km/h
Humidity64%65%72%
Rainy days26 days23 days26 days
Dry days5 days7 days5 days

Planning a trip to Chongqing? Discover the best time to visit

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 30° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in Chongqing during September?
Significant rainfall exceeding 115.3 mm is expected in Chongqing during September, occurring over more than 23 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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Get accurate weather forecasts for Chongqing, located at latitude 29.56 and longitude 106.558. Stay updated with localized weather information tailored for Chongqing.

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