Jiuzhaigou

Sichuan Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Sichuan, China in September.

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Chengdu Emeishan Jiuzhaigou Mianyang

Planning a journey to Sichuan, China this September and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in Sichuan in September

Sichuan, China is a region in China. The weather in Sichuan in September can be quite varied, with temperatures that range from mild to warm and precipitation levels ranging from high to heavy.

Temperatures

Based on our climate data spanning from 1990-2020, the average maximum temperature is mild in Daocheng at 14°C (57°F) to warm in Luzhou at 29°C (84°F). Nighttime temperatures generally drop to 21°C (70°F) in Luzhou and 5°C (41°F) in Daocheng.

To explore the conditions in Sichuan, China in more detail, check the map below.

Precipitation

In September, precipitation varies across different areas. From high rainfall in Jianyang with an average of 122 mm (4.8 in) to heavy rainfall in Dujiangyan with 247 mm (9.7 in).

Average sunshine

Sunshine is more restricted in many locations in September. Chengdu sees roughly 79 hours of sunlight. Our weather planner can help you find destinations with more sunshine if needed.

Explore Sichuan by month

Pick a month to see the average temperature, rainfall and sunshine in Sichuan — and find the best time to visit. (based on Chengdu)

January11°C (52°F) February14°C (57°F) March19°C (66°F) April24°C (75°F) May28°C (82°F) June30°C (86°F) This monthJuly32°C (90°F) August31°C (88°F) September27°C (81°F) October22°C (72°F) November18°C (64°F) December12°C (54°F)
Best Time to Visit Sichuan →

Best Places to Visit in Sichuan in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Sichuan.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Sichuan

What is the weather like in September for some of the most popular destinations in Sichuan, China?

Temperature range in Sichuan (September)

Precipitation variation in Sichuan (September)

Chengdu

In September Chengdu generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 20°C (68°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
31°C (88°F)
27°C (81°F)
22°C (72°F)
Min temperature
23°C (73°F)
20°C (68°F)
15°C (59°F)
Monthly sun hours
155 hours
79 hours
61 hours
Monthly rainfall
291 mm (11 in)
145 mm (5.7 in)
52 mm (2 in)
Monthly rainy days
16 days
17 days
17 days
Weather conditions
poor
pleasant
perfect
Climate in Chengdu →

Emeishan

In September Emeishan generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 19°C (66°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

« August
September
October »
August
September
October
Max temperature
29°C (84°F)
25°C (77°F)
20°C (68°F)
Min temperature
22°C (72°F)
19°C (66°F)
15°C (59°F)
Monthly rainfall
317 mm (12 in)
190 mm (7.5 in)
116 mm (4.6 in)
Monthly rainy days
16 days
18 days
17 days
Weather conditions
poor
tolerable
pleasant
Climate in Emeishan →

Jiuzhaigou

In September Jiuzhaigou generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 6°C (43°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

« August
September
October »
August
September
October
Max temperature
18°C (64°F)
15°C (59°F)
10°C (50°F)
Min temperature
9°C (48°F)
6°C (43°F)
0°C (32°F)
Monthly rainfall
157 mm (6.2 in)
165 mm (6.5 in)
135 mm (5.3 in)
Monthly rainy days
17 days
20 days
18 days
Weather conditions
tolerable
unpleasant
poor
Climate in Jiuzhaigou →

Mianyang

In September Mianyang generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 20°C (68°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
32°C (90°F)
27°C (81°F)
22°C (72°F)
Min temperature
23°C (73°F)
20°C (68°F)
15°C (59°F)
Monthly rainfall
223 mm (8.8 in)
159 mm (6.3 in)
60 mm (2.4 in)
Monthly rainy days
14 days
16 days
16 days
Weather conditions
poor
pleasant
perfect
Climate in Mianyang →

Ya'an

In September Ya'an generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 18°C (64°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

« August
September
October »
August
September
October
Max temperature
28°C (82°F)
24°C (75°F)
20°C (68°F)
Min temperature
21°C (70°F)
18°C (64°F)
14°C (57°F)
Monthly rainfall
336 mm (13 in)
204 mm (8 in)
120 mm (4.7 in)
Monthly rainy days
17 days
18 days
16 days
Weather conditions
poor
unpleasant
pleasant
Climate in Ya'an →

Is your destination not in the list? Have a look at all destinations in Sichuan, in China.

In our records: China September extremes

Notable September records observed across cities in China in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • From our sources, the wettest September day in China brought 362 mm (14 in) in Guangzhou on September 6, 1992.

Popular cities in September

Day & night temperatures, rainfall and average weather in Sichuan in September.

City Weather Day temp Night temp Rainfall
Chengdu 27°C (81°F) 20°C (68°F) 145 mm (5.7 in)
Emeishan 25°C (77°F) 19°C (66°F) 190 mm (7.5 in)
Jiuzhaigou 15°C (59°F) 6°C (43°F) 165 mm (6.5 in)
Mianyang 27°C (81°F) 20°C (68°F) 159 mm (6.3 in)
Ya'an 24°C (75°F) 18°C (64°F) 204 mm (8 in)
Xichang 22°C (72°F) 14°C (57°F) 176 mm (6.9 in)

Sichuan weather in September: frequently asked questions

What is the weather like in Sichuan, China in September?

In September, Sichuan, China generally has pleasant weather conditions. Chengdu sees daytime temperatures near 27°C (81°F), with nights cooling to roughly 20°C (68°F).

What is the average temperature in Sichuan, China in September?

Chengdu averages a daytime maximum of 27°C (81°F) in September, with overnight lows close to 20°C (68°F).

Does Sichuan, China get a lot of rain in September?

Chengdu typically receives notable rainfall in September, about 145 mm (5.7 in) on average across Sichuan, China.

Is September a Good Time to Visit Sichuan, China?

Given the typically pleasant weather conditions in Chengdu, September might be a good time to visit Sichuan, China. It's worth noting that weather conditions might differ depending on the location you visit.

Generally speaking, the best visiting conditions can be found in March, April, May, October and November offering mostly perfect weather in Chengdu. The weather in July and August, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Sichuan.

Weather and climate has detailed information for every country in the world. Are you going to China? Get detailed historical weather averages for many cities in China.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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