🧳 Packing guide
What to wear in Chongqing in September
For what to wear in Chongqing in September, light, breathable clothes work best, with sun protection for long outdoor days. Add a compact umbrella or light rain jacket because wet weather is common enough to affect sightseeing.
Travel takeaway: The month can be a practical time to visit when your packing matches the daytime-to-evening temperature change.
🗓️ Travel timing at a glance
Chongqing: 12-month travel weather
Chongqing has a damp, cool winter and a long hot, humid summer. Rain and cloud can remain frequent into autumn.
Monthly labels summarize typical climate patterns for trip planning. Always check the latest forecast and tropical-storm alerts before departure.
🎉 Trip planning check
Chongqing 2026 events & busy periods
Check major events, holidays and periods that may affect crowds, transport or opening hours.
🎊 Featured event
Chinese New Year holiday
📅 Feb 15–23, 2026
The 2026 Spring Festival holiday runs for nine days. Chongqing authorities also warn of heavier crowds and traffic at popular sights, so book transport and accommodation early.
Check official source →⚠️ Busy / closure period
National Day Golden Week
📅 Oct 1–7, 2026
A seven-day nationwide holiday that can sharply increase domestic travel. Expect heavier traffic and larger crowds at Chongqing’s major attractions.
Check official source →Event dates, holiday schedules and opening hours can change. Recheck the linked official tourism or government source before departure.
Chongqing Weather in September
2016–2025 · 10 complete years averaged · °F
Chongqing in September · recent 3 years
Compare the most recent complete year with the two years before it. Daily high / low temperatures are shown in °F.
CalendarNo measurable rain🌧️ Rain⛈️ Thunderstorm❄️ SnowHigh / Low · °F
⭐ September 2025 · latest complete year☔ 18 days · 172.8 mm
2
🌦️
40.5°C/26.5°C
🌧️ 1.1 mm
6
🌦️
25.1°C/21.2°C
🌧️ 7.2 mm
8
🌧️
28.5°C/23.3°C
🌧️ 9.1 mm
12
🌧️
26.6°C/24.2°C
🌧️ 28.7 mm
17
🌧️
30.4°C/24.3°C
🌧️ 8.2 mm
18
🌦️
31.8°C/24.5°C
🌧️ 1.9 mm
19
🌧️
26°C/21.1°C
🌧️ 29.7 mm
20
🌦️
27.9°C/21.3°C
🌧️ 4.1 mm
21
🌦️
30.5°C/21.5°C
🌧️ 3.4 mm
22
🌧️
25.4°C/21.6°C
🌧️ 20.7 mm
23
🌦️
22.7°C/20.5°C
🌧️ 6.1 mm
25
🌦️
27.7°C/21.3°C
🌧️ 3.3 mm
26
🌦️
25.3°C/22.2°C
🌧️ 10.4 mm
28
🌧️
30.5°C/23.1°C
🌧️ 16.3 mm
29
🌧️
25.4°C/22.1°C
🌧️ 8.9 mm
September 2024☔ 8 days · 78.6 mm
9
🌦️
37.6°C/26.9°C
🌧️ 1.3 mm
11
🌧️
34.5°C/24.9°C
🌧️ 12.8 mm
12
🌦️
35.6°C/25.2°C
🌧️ 1.5 mm
21
🌧️
32.1°C/24.9°C
🌧️ 5.8 mm
29
🌧️
36.6°C/23.5°C
🌧️ 12.7 mm
30
🌧️
23.3°C/16.9°C
🌧️ 33.3 mm
September 2023☔ 13 days · 245.2 mm
10
🌧️
34.6°C/24.9°C
🌧️ 35.1 mm
11
🌧️
34.6°C/24.4°C
🌧️ 20.7 mm
12
🌧️
24.8°C/20.5°C
🌧️ 39 mm
19
🌧️
33.4°C/24.5°C
🌧️ 19 mm
20
🌧️
27.7°C/22.8°C
🌧️ 36.8 mm
21
🌧️
23.6°C/20.3°C
🌧️ 11.1 mm
22
🌧️
24.2°C/21°C
🌧️ 16.2 mm
23
🌧️
23.6°C/20.7°C
🌧️ 27.4 mm
24
🌧️
23.2°C/20.6°C
🌧️ 18.7 mm
28
🌦️
26.4°C/19.8°C
🌧️ 4.4 mm
29
🌧️
25.3°C/21.4°C
🌧️ 4.3 mm
Historical calendars use Open-Meteo reanalysis data. A rainy day is counted when daily precipitation is at least 1 mm. Conditions at a specific hotel, beach or station can differ.
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Current Chongqing weather and 7-day forecast
When departure is close, the latest forecast matters more than long-term averages.
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Chongqing weather in other months
Switch months to compare the seasonal pattern.
Travel Weather Fairy