Inner Mongolia Weather in September

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

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Manzhouli Hohhot Hulunbuir Yakeshi

Are you planning a trip a to Inner Mongolia, China in September and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Inner Mongolia in September

Inner Mongolia, China is a region in China. September in Inner Mongolia generally has temperatures that range from pleasant to warm, with moderate precipitation.

Temperatures

During the day temperatures vary from pleasant in Yakeshi at 18°C (64°F) to warm in Chifeng at 25°C (77°F). At night it cools down to 10°C (50°F) in Chifeng and 4°C (39°F) in Yakeshi.

For a closer look at conditions across Inner Mongolia, China, refer to the map below.

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Wuhai with an average of 31 mm (1.2 in) to moderate rainfall in Dongsheng with 70 mm (2.8 in).

Explore Inner Mongolia by month

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

January-17°C (1°F) February-11°C (12°F) March0°C (32°F) April11°C (52°F) May20°C (68°F) June26°C (79°F) This monthJuly28°C (82°F) August25°C (77°F) September19°C (66°F) October8°C (46°F) November-5°C (23°F) December-14°C (7°F)
Best Time to Visit Inner Mongolia →

Best Places to Visit in Inner Mongolia in September

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

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 Inner Mongolia

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

Temperature range in Inner Mongolia (September)

Precipitation variation in Inner Mongolia (September)

Manzhouli

In September Manzhouli generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 5°C (41°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
25°C (77°F)
19°C (66°F)
8°C (46°F)
Min temperature
13°C (55°F)
5°C (41°F)
-4°C (25°F)
Monthly rainfall
72 mm (2.8 in)
39 mm (1.5 in)
17 mm (0.7 in)
Monthly rainy days
14 days
10 days
5 days
Weather conditions
perfect
pleasant
unpleasant
Climate in Manzhouli →

Hohhot

In September Hohhot generally has pleasant temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 9°C (48°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
27°C (81°F)
22°C (72°F)
14°C (57°F)
Min temperature
14°C (57°F)
9°C (48°F)
1°C (34°F)
Monthly sun hours
257 hours
253 hours
244 hours
Monthly rainfall
79 mm (3.1 in)
68 mm (2.7 in)
32 mm (1.3 in)
Monthly rainy days
13 days
9 days
6 days
Weather conditions
perfect
perfect
tolerable
Climate in Hohhot →

Hulunbuir

In September Hulunbuir generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 5°C (41°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
25°C (77°F)
19°C (66°F)
9°C (48°F)
Min temperature
13°C (55°F)
5°C (41°F)
-4°C (25°F)
Monthly sun hours
273 hours
222 hours
220 hours
Monthly rainfall
92 mm (3.6 in)
50 mm (2 in)
26 mm (1 in)
Monthly rainy days
14 days
11 days
6 days
Weather conditions
perfect
pleasant
unpleasant
Climate in Hulunbuir →

Yakeshi

In September Yakeshi generally has pleasant temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 4°C (39°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
24°C (75°F)
18°C (64°F)
8°C (46°F)
Min temperature
12°C (54°F)
4°C (39°F)
-5°C (23°F)
Monthly sun hours
273 hours
222 hours
220 hours
Monthly rainfall
105 mm (4.1 in)
61 mm (2.4 in)
30 mm (1.2 in)
Monthly rainy days
16 days
12 days
7 days
Weather conditions
pleasant
pleasant
unpleasant
Climate in Yakeshi →

Baotou

In September Baotou generally has high temperatures with maximum daytime temperatures around 23°C (73°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
28°C (82°F)
23°C (73°F)
15°C (59°F)
Min temperature
16°C (61°F)
10°C (50°F)
2°C (36°F)
Monthly rainfall
84 mm (3.3 in)
58 mm (2.3 in)
21 mm (0.8 in)
Monthly rainy days
11 days
8 days
5 days
Weather conditions
perfect
perfect
pleasant
Climate in Baotou →

Is your destination not in the list? Have a look at all destinations in Inner Mongolia, 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 Inner Mongolia in September.

City Weather Day temp Night temp Rainfall
Manzhouli 19°C (66°F) 5°C (41°F) 39 mm (1.5 in)
Hohhot 22°C (72°F) 9°C (48°F) 68 mm (2.7 in)
Hulunbuir 19°C (66°F) 5°C (41°F) 50 mm (2 in)
Yakeshi 18°C (64°F) 4°C (39°F) 61 mm (2.4 in)
Baotou 23°C (73°F) 10°C (50°F) 58 mm (2.3 in)
Chifeng 25°C (77°F) 10°C (50°F) 40 mm (1.6 in)

Inner Mongolia weather in September: frequently asked questions

What is the weather like in Inner Mongolia, China in September?

Expect pleasant weather across Inner Mongolia, China in September. The popular destination of Manzhouli averages 19°C (66°F) by day and 5°C (41°F) at night during this month.

What is the average temperature in Inner Mongolia, China in September?

In Manzhouli, the average daytime high in September is 19°C (66°F), while nighttime temperatures drop to around 5°C (41°F).

Does Inner Mongolia, China get a lot of rain in September?

Rain is generally moderate to light in Inner Mongolia, China during September, with Manzhouli averaging close to 39 mm (1.5 in).

Is September a Good Time to Visit Inner Mongolia, China?

In our opinion, September is a good time to visit Inner Mongolia, China with overall pleasant weather in Manzhouli.

Generally speaking, the best visiting conditions can be found in May, June, July and August offering mostly perfect weather in Manzhouli. The weather in January, February, March, November and December, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Inner Mongolia.

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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