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Weather in Inner Mongolia for September 2026

Your guide to Inner Mongolia weather in September - trends and predictions

    Temperatures

  • Until now, September 2026 in Inner Mongolia has been nearly identical to the historical average, with a temperature of 24.8 °C (showing only a slight deviation of 0.2 °C).

  • Expect cooler weather in the next days in Inner Mongolia with the forecast suggesting a temperature of 23.4 °C, lower than the historical average.

  • In general, the average temperature in Inner Mongolia at the beginning of September is 25.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.3 °C by the end of September.

    • Rain 🌧️

  • Inner Mongolia experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 106.7 mm.

    • More

  • Is September a good time to visit Inner Mongolia? check out the best time to travel to Inner Mongolia page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
22
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/12°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
52 %
Avg humidity

Inner Mongolia Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
28°
2
Patchy rain possible
27°
3
Sunny
27°
4
Sunny
27°
5
Light rain shower
25°
6
Sunny
24°
7
Sunny
20°
8
Sunny
22°
9
Sunny
24°
10
Sunny
25°
11
Patchy light rain with thunder
23°
12
Partly cloudy
23°
13
Patchy light rain with thunder
24°
14
Sunny
24°
15
Sunny
27°
16
Sunny
27°
17
Sunny
25°
18
Overcast
25°
19
Patchy rain possible
25°
20
Overcast
25°
21
Overcast
22°
22
Sunny
25°
23
Overcast
25°
24
Sunny
24°
25
Patchy rain possible
23°
26
Sunny
16°
27
Sunny
15°
28
Sunny
21°
29
Partly cloudy
21°
30
Sunny
22°

Temperatures trend during September in Inner Mongolia

See the weather trend as well as the moving average line

September weather in Inner Mongolia day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 28° /14° 0.6 mm 8
2 Sept. Patchy rain possible
Patchy rain possible
 27° /17° 0 mm 7
3 Sept. Sunny
Sunny
 27° /16° 0 mm 7
4 Sept. Sunny
Sunny
 27° /17° 0 mm 5
5 Sept. Light rain shower
Light rain shower
 25° /15° 18.9 mm 7
6 Sept. Sunny
Sunny
 24° /14° 0 mm 4
7 Sept. Sunny
Sunny
 20° /12° 4.4 mm 4
8 Sept. Sunny
Sunny
 22° /11° 0.2 mm 5
9 Sept. Sunny
Sunny
 24° /11° 0 mm 8
10 Sept. Sunny
Sunny
 25° /11° 0 mm 8
11 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 23° /12° 15.1 mm 6
12 Sept. Partly cloudy
Partly cloudy
 23° /12° 1.7 mm 7
13 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 24° /11° 9 mm 6
14 Sept. Sunny
Sunny
 24° /12° 0 mm 6.2
15 Sept. Sunny
Sunny
 27° /15° 0 mm 5.8
16 Sept. Sunny
Sunny
 27° /15° 0 mm 5.8
17 Sept. Sunny
Sunny
 25° /15° 0 mm 5.8
18 Sept. Overcast
Overcast
 25° /16° 0 mm 6
19 Sept. Patchy rain possible
Patchy rain possible
 25° /17° 1 mm 5
20 Sept. Overcast
Overcast
 25° /17° 0 mm 5
21 Sept. Overcast
Overcast
 22° /16° 1.5 mm 5
22 Sept. Sunny
Sunny
 25° /15° 1 mm 7
23 Sept. Overcast
Overcast
 25° /17° 0 mm 6
24 Sept. Sunny
Sunny
 24° /15° 1.4 mm 6
25 Sept. Patchy rain possible
Patchy rain possible
 23° /15° 6.2 mm 6
26 Sept. Sunny
Sunny
 16° /10° 2.9 mm 5
27 Sept. Sunny
Sunny
 15° /7° 0 mm 4
28 Sept. Sunny
Sunny
 21° /10° 0 mm 6
29 Sept. Partly cloudy
Partly cloudy
 21° /12° 0 mm 6
30 Sept. Sunny
Sunny
 22° /11° 0 mm 6
Next
Important Notice
Our weather forecast for Inner Mongolia in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Inner Mongolia forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
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Inner Mongolia weather in September vs August vs October

Compare September weather in Inner Mongolia with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
AugustSeptemberOctober
WeatherPatchy rain possible
Patchy rain possible
Sunny
Sunny
Sunny
Sunny
Temperatures26°/17°21°/12°12°/5°
Rainfall169 mm107 mm69 mm
Snowfall0 cm0 cm1 cm
Wind15.9 km/h15.8 km/h13.8 km/h
Humidity64%52%56%
Rainy days19 days8 days6 days
Snow days0 days0 days1 days
Dry days12 days22 days24 days

Planning a trip to Inner Mongolia? Discover the best time to visit

Inner Mongolia in September - FAQ

What are the expected maximum and minimum temperatures in Inner Mongolia during September?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Inner Mongolia during September?
Significant rainfall exceeding 106.7 mm is expected in Inner Mongolia during September, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Inner Mongolia during September?
The average wind speed in Inner Mongolia during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Inner Mongolia

Explore the daily rainfall trends and prepare for Inner Mongolias September weather 💧
Typically, Inner Mongolia has 8 rainy days in September with a total of 106.7 mm of rainfall.

UV exposure in Inner Mongolia during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

What to pack to Inner Mongolia in September?

🌦️ Mild & changeable · highs around 21 °C, frequent showers

As you prepare for your trip to Inner Mongolia in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Inner Mongolia, during September, is comfortable and enjoyable, regardless of the weather conditions.

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Location coordinates Where is Inner Mongolia?

Get accurate weather forecasts for Inner Mongolia, located at latitude 40.811 and longitude 111.652. Stay updated with localized weather information tailored for Inner Mongolia.

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