Chongqing Weather in September
In the first and middle ten days of September, the weather remains extremely hot and dry. You need to wear a breathable top and carry a water cup to replenish water. It is necessary to avoid outdoor activities to prevent heatstroke. Starting from the last ten days of September, rainy days will occur, so you need to bring an umbrella when going out for a trip.
| Average Maximum | Average Minimum | Highest Maximum | Lowest Minimum | |
| ℃ | 36.4 | 27.6 | 41 | 16 |
| ℉ | 97.5 | 81.7 | 105.8 | 60.8 |
Sunny Days: 15 days
Cloudy Days: 11 days
Rainy Days: 4 days
What to wear and bring
Early September
Chongqing experiences continuous high temperatures in Early September; hence light tops, short skirts, and shorts are good to wear, suitable and breathable. One can carry a water bottle to stay hydrated, sunglasses, and a parasol against the sun.
Mid-September
There are more sunny days during this period, with the highest temperature being up to 39℃/102.2℉. It is a pleasant enough to wear T-shirts and dresses. And don’t forget to bring sunglasses when touring.
Late September
Day temperature is hot, so the heat must be kept off by light and loose-fitting clothes such as short blouses, short skirts, and shorts. Dress in dress shirts, long non-tight skirts, and normal-fitting T-shirts, etc., at night. Since there is a lot of rain in the late September, please carry an umbrella or a foldable lightweight raincoat with you.
Activities and Festivals
The Mid-Autumn Festival holiday falls in September (the Mid-Autumn Festival in 2025 is in the early part of October). Major scenic spots in Chongqing will launch special "Mid-Autumn Festival" - themed cultural and tourism activities to enrich the holiday travel experiences of citizens and tourists. The Mid-Autumn Festival is a poetic festival, brimming with infinite romance and anticipation. During the festival, the "national-style" activities led by traditional cultures such as moon-viewing in ancient towns, market lantern fairs, and night cruises will guide tourists to discover a unique Mid-Autumn cultural experience exclusive to the Chinese.
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