If you plan to visit Chongqing in September, the weather is typically alright, with an average high temperature of +28°C during the day and approximately 6 sunny days. Expect some rainy, though, as there are typically 17 rainy days in the month and around 115 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flightsin one click on Avionero.
Average weather
☀️
+28°C
Avg. max. temperature
+15°C
Min.
+43°C
Max.
115 mm
Total precipitation
77%
Avg. humidity
1 m/s
Avg. wind
6 ☀️
Sunny Days
7 ⛅️
Cloudy
17 🌦
Rainy
Our opinion: Chongqing has OK weather in September.
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Average temperature in Chongqing in September
Here are the expected maximum, average and minimum temperatures in Chongqing for September based on the historical data.
Last Year
Historical Data
Going from a maximum of +37°C during the day to a minimum of +21°C during the night, the temperature in September averages around +30°C.
The average maximum temperature goes down 44% by the end of the month, compared with the beginning of the month, from +33°C to +26°C.
Is Chongqing warm or cold in September?
Chongqing is typically warm in September.
Maximum temperatures go down compared to the previous month from +33°C to +28°C. The minimum temperature also goes down from +26°C to +22°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how September is compared to other months in Chongqing:
Climate in Chongqing in September
Chongqing weather looks like this, on average, in September and the surrounding months.
August
September
October
Avg. temperature
+33°C
+28°C
+22°C
Min. temperature
+19°C
+15°C
+7°C
Max. temperature
+44°C
+43°C
+37°C
Rainfall
131 mm
115 mm
98 mm
Wind
1 m/s
1 m/s
1 m/s
Humidity
71%
77%
82%
Air pressure
1002 HPa
1010 HPa
1017 HPa
Sunny days
7
6
4
Cloudy days
5
7
7
Rainy days
17
17
20
Snowy days
0
0
0
September weather is still as ok as in August.It’s getting colder in September. From +33°C in the day, the average maximum temperature lowers to +28°C.As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 131 mm to 115 mm.Humidity rises from 71% to 77%.The average wind speed doesn’t change much during September, staying around 1 m/s.The days becoming less sunny, going from 7 sunny days in August to 6 in September.
October brings much the same weather, it remains ok.
Wind speed in Chongqing in September based on historical data.
Last Year
Historical Data
The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Chongqing is gradually increasing during September, going from 2 m/s to 2 m/s over the course of the month.
Rain
Amount of rainfall in mm during September in Chongqing based on historical data.
Last Year
Historical Data
Typically, there is a 43% chance of rain on an average day in September, with total rainfall of approximately 139 mm. The maximum amount of rainfall per day is around 26 mm, which is moderate rain.September is a pretty wet month with over 13 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how September is compared with other months in the amount of precipitation, total mm:
Chongqing wettest month is July, where a typical day has a 58% chance of precipitation and 156 mm of rainfall per day. January, on the other hand, is the driest month with a mere 42% chance of precipitation and 27 mm of rainfall per day.
How was the weather last September in Chongqing?
This is the weather in Chongqing in September 2024:
1 September
☀️
+33°C
2 September
☀️
+34°C
3 September
☀️
+35°C
4 September
☀️
+36°C
5 September
☀️
+37°C
6 September
☀️
+36°C
7 September
☀️
+35°C
8 September
☁️
+36°C
9 September
☀️
+37°C
10 September
☀️
+36°C
11 September
☁️
+34°C
12 September
☁️
+24°C
13 September
☀️
+29°C
14 September
☀️
+32°C
15 September
☀️
+33°C
16 September
☀️
+33°C
17 September
☀️
+36°C
18 September
☀️
+33°C
19 September
☁️
+34°C
20 September
🌧️
+28°C
21 September
🌫️
+24°C
22 September
🌫️
+22°C
23 September
🌧️
+22°C
24 September
🌧️
+22°C
25 September
🌧️
+22°C
26 September
☁️
+23°C
27 September
🌫️
+24°C
28 September
☁️
+27°C
29 September
☁️
+25°C
30 September
☁️
+26°C
In September 2024 Chongqing had 15 sunny days, 8 cloudy days, and 4 rainy days. The average maximum temperature was +30°C, with an absolute maximum of +37°C and a minimum of +22°C. The average humidity was 72%, with a maximum of 100% and a minimum of 30%. The average wind speed was 2 m/s, with a maximum of 11 m/s and a minimum of 0 m/s.
Are you planning a trip in September?
Climate Change over Years
This is how Chongqing climate have been changing during last 43 years period.
The climate in Chongqing in September has not changed much over the last 43 years.
The average temperature was the lowest in 1982 (+21°C) and the highest in 2024 (+24°C). The driest year was 2006 with only 689 mm of rainfall, and the wettest year was 1998 with 1476 mm.
FAQ
Frequently asked questions about the weather in Chongqing in September:
Is September a good time to visit Chongqing?
It’s always a good time to visit Chongqing, but the weather is changeable in September, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.
Can you sunbathe in Chongqing in September?
September is warm in Chongqing. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.
Is Chongqing rainy in September?
Chongqing is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Chongqing in September?
Usually, it’s not very sunny in Chongqing in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
For this page, we’ve looked at the typical weather in Chongqing, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
