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Jiuzhaigou Weather in September

Season: Autumn

In short: cozy temperature, moderate precipitation, changeable

Overall, the weather of Jiuzhaigou in September features warm temperature and moderate precipitation.

Colorful Pond in September

The average temperature is from 14 - 23℃ (57 - 73℉). During the first half month, in the daytime when the sun is shining, the temperature is relatively high and cozy; while during the second half month, the high temperature may drop to around 20℃ (68℉), and you may feel cool. However, whether at the beginning or the end of the month, you should dress a little thicker at night and in early morning than during the day, as there is always a big gap in temperature between the daytime and evening.

Rain is not much this month, and it usually does not last for more than half an hour. The total monthly rainfall is 76 mm and the humidity is 74% on average. Stepping into autumn, the daylight hours begin to shorten and are usually less than 12 hours this month.

Packing List to Visit Jiuzhaigou in September

Upper: You can wear several layers so that you can take off or put on clothes according to the changeable Jiuzhaigou climate in September. For example, you can wear T-shirts or long-sleeve T-shirts as the first layer, shirts or thin knitwear as the middle layer, and thin jackets like sun-protective jackets or baseball jackets as the outer layer. If you want to arrange your trip to Jiuzhaigou in the second half month, you are also advised to bring thicker jackets like thick windbreakers.

Bottoms: You may need to wear thick jeans and sweatpants. If you are afraid of coldness, pack thermal pants.

Shoes: Hiking shoes, walking shoes, and warm and comfortable sneakers are the first choices.

Other items: Sun protection items such as sunhats and sunscreen are needed to protect you from strong UV rays. Besides, raingear is also helpful in September because you are likely to encounter showers.

Advantages of Traveling to Jiuzhiagou in September

1. The small tourist number and cheap hotels and flight tickets this month will give you a more leisurely and favorable traveling experience.

2. In late September, the leaves in Jiuzhaigou Valley begin to turn yellow, orange and red, forming a more beautiful view together with the blue lakes and waterfalls.

What Will You See in Jiuzhaigou Valley in September

Tourism Rate:

1. Green-blue lakes

Jiuzhaigou’s lakes are its main landscape. Traveling there in September 2025, you will find these lakes are still full of water, showing their most charming state. They are like jewels and spark under the sunshine, especially Five Flower Lake, which displays a variety of colors due to the effect of minerals. In addition, if you are lucky, you may see cute otters.

The Long Lake

2. Gushing Waterfalls

If the lakes in Jiuzhaigou represent the beauty of still water, the waterfalls here show the beauty of flowing water. For example, Jiuzhaigou’s largest calcareous waterfall, Nourilang Waterfall, pours down from high with abundant water in autumn, which is majestic. Standing in front of the waterfall, you will feel the power and beauty of nature.

Gushing Waterfalls in September

3. Lush Primitive Forest

Jiuzhaigou is a perfect place for those who like hiking, with rich landscapes including forests, meadows, streams, and lakes. Walking along the forest paths, you will see tall, centuries-old trees such as fir and spruce, and breathe in the fresh air. In addition, you may meet animals like squirrels here. At the end of September, the leaves gradually turn colorful, showing you a more beautiful world.

Primitive Forest

Historical Jiuzhaigou Weather in September

Sep	Temperature		Sunrise / Sunset	Humi- dity (%)
Sep	High	Low	Sunrise / Sunset	Humi- dity (%)
1	25.6°C / 78°F	16°C / 60.8°F	06:37 / 19:29	70
2	25.4°C / 77.7°F	15.9°C / 60.6°F	06:38 / 19:27	74
3	25.3°C / 77.5°F	15.8°C / 60.4°F	06:38 / 19:26	81
4	25.2°C / 77.3°F	15.6°C / 60°F	06:39 / 19:25	79
5	25.1°C / 77.1°F	15.5°C / 59.9°F	06:40 / 19:24	82
6	24.9°C / 76.8°F	15.4°C / 59.7°F	06:40 / 19:22	55
7	24.8°C / 76.6°F	15.3°C / 59.5°F	06:41 / 19:21	63
8	24.7°C / 76.4°F	15.1°C / 59.1°F	06:42 / 19:19	74
9	24.6°C / 76.2°F	15°C / 59°F	06:42 / 19:18	76
10	24.4°C / 75.9°F	14.9°C / 58.8	06:43 / 19:15	52
11	24.3°C / 75.7°F	14.7°C / 58.4°F	06:44 / 19:14	50
12	24.1°C / 75.3°F	14.6°C / 58.2°F	06:45 / 19:13	68
13	24°C / 75.2°F	14.5°C / 58.1°F	06:46 / 19:11	71
14	23.8°C / 74.8°F	14.3°C / 57.7°F	06:46 / 19:10	74
15	23.7°C / 74.6°F	14.2°C / 57.5°F	06:47 / 19:08	69
16	23.5°C / 74.3°F	14°C / 57.2°F	06:48 / 19:07	75
17	23.3°C / 73.9°F	13.9°C / 57°F	06:48 / 19:06	75
18	23.1°C / 73.5°F	13.5°C / 56.3°F	06:49 / 19:04	84
19	23°C / 73.4°F	13.4°C / 56.1°F	06:49 / 19:04	91
20	22.8°C / 73°F	13.2°C / 55.7°F	06:50 / 19:03	77
21	22.6°C / 72.7°F	13.1°C / 55.5°F	06:50 / 19:02	81
22	22.4°C / 72.3°F	13°C / 55.4°F	06:51 / 19:00	89
23	22.2°C / 71.9	12.8°C / 55°F	06:52 / 18:59	76
24	22°C / 71.6°F	12.7°C / 54.8°F	06:52 / 18:57	73
25	21.8°C / 71.2°F	12.6°C / 54.6°F	06:53 / 18:56	79
26	21.5°C / 70°F	12.5°C / 54.5°F	06:54 / 18:55	70
27	21.3°C / 70.3°F	12.3°C / 54.1°F	06:54 / 18:53	85
28	21.1°C / 70.3°F	12.2°C /53.9°F	06:55 / 18:52	76
29	20.9°C / 69.6°F	12.1°C / 53.7°F	06:56 / 18:50	78
30	20.7°C / 69.2°F	12.2°C / 53.9°F	06:56 / 18:49	66