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Weather in Chungcheongnam-do for September 2026

Your guide to Chungcheongnam-do weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Chungcheongnam-do at the beginning of September is 29.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 25.1 °C by the end of September.

    • Rain 🌧️

  • The climate of Chungcheongnam-do in September is notably wet, with an average of 12 rainy days, and a total of 204.4 mm of precipitation.

Average dry days
18
Dry days
Average rainy days
12
Rainy days
Average snowy days
0
Snow days
Average temperatures
28°/19°
Temperatures
Average wind speed
11 km/h
Avg max wind
Average humidity
80 %
Avg humidity

Chungcheongnam-do Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
30°
2
Patchy rain possible
28°
3
Patchy light drizzle
31°
4
Sunny
29°
5
Mist
30°
6
Light rain shower
29°
7
Light rain shower
27°
8
Patchy rain possible
28°
9
Light rain shower
30°
10
Mist
31°
11
Light rain shower
32°
12
Light rain shower
25°
13
Light rain shower
28°
14
Patchy rain possible
30°
15
Fog
30°
16
Partly cloudy
30°
17
Patchy rain possible
29°
18
Light rain shower
29°
19
Patchy rain possible
25°
20
Light rain shower
24°
21
Moderate or heavy rain shower
23°
22
Light drizzle
22°
23
Sunny
23°
24
Overcast
25°
25
Mist
25°
26
Light rain shower
26°
27
Patchy rain possible
27°
28
Patchy rain possible
23°
29
Sunny
25°
30
Sunny
25°

What’s the Weather Like in Chungcheongnam-do This September?

Discover the average temperatures and weather trends across Chungcheongnam-do’s cities this September.
Patchy rain possibleGangwon28 °C / 19 °CModerate or heavy rain showerCheonan28 °C / 20 °CMore Locations

Temperatures trend during September in Chungcheongnam-do

See the weather trend as well as the moving average line

September weather in Chungcheongnam-do day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
 30° /19° 3.6 mm 7
2 Sept. Patchy rain possible
Patchy rain possible
 28° /19° 2.7 mm 6
3 Sept. Patchy light drizzle
Patchy light drizzle
 31° /19° 1.9 mm 7
4 Sept. Sunny
Sunny
 29° /17° 1.4 mm 7
5 Sept. Mist
Mist
 30° /18° 0 mm 7
6 Sept. Light rain shower
Light rain shower
 29° /20° 5.2 mm 7
7 Sept. Light rain shower
Light rain shower
 27° /19° 15.6 mm 6
8 Sept. Patchy rain possible
Patchy rain possible
 28° /17° 0 mm 7
9 Sept. Light rain shower
Light rain shower
 30° /19° 1 mm 7
10 Sept. Mist
Mist
 31° /17° 0 mm 7
11 Sept. Light rain shower
Light rain shower
 32° /19° 3.6 mm 7
12 Sept. Light rain shower
Light rain shower
 25° /20° 9.6 mm 6
13 Sept. Light rain shower
Light rain shower
 28° /19° 7.8 mm 7
14 Sept. Patchy rain possible
Patchy rain possible
 30° /21° 0 mm 7
15 Sept. Fog
Fog
 30° /21° 0 mm 7
16 Sept. Partly cloudy
Partly cloudy
 30° /20° 2.7 mm 7
17 Sept. Patchy rain possible
Patchy rain possible
 29° /21° 4 mm 7
18 Sept. Light rain shower
Light rain shower
 29° /19° 1.4 mm 7
19 Sept. Patchy rain possible
Patchy rain possible
 25° /18° 1 mm 6
20 Sept. Light rain shower
Light rain shower
 24° /18° 30.7 mm 6
21 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 23° /15° 76.8 mm 5
22 Sept. Light drizzle
Light drizzle
 22° /15° 0.5 mm 5
23 Sept. Sunny
Sunny
 23° /14° 0 mm 6
24 Sept. Overcast
Overcast
 25° /12° 5.1 mm 6
25 Sept. Mist
Mist
 25° /16° 4.6 mm 6
26 Sept. Light rain shower
Light rain shower
 26° /16° 0.5 mm 6
27 Sept. Patchy rain possible
Patchy rain possible
 27° /16° 0 mm 7
28 Sept. Patchy rain possible
Patchy rain possible
 23° /16° 7.6 mm 6
29 Sept. Sunny
Sunny
 25° /15° 0 mm 6
30 Sept. Sunny
Sunny
 25° /13° 0 mm 6
Next
Important Notice
Our weather forecast for Chungcheongnam-do 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 Chungcheongnam-do forecast closer to your planned date for the most up-to-date weather information.
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Chungcheongnam-do in September - FAQ

What are the expected maximum and minimum temperatures in Chungcheongnam-do during September?
During September, expect a variety of temperatures with highs around 28° and lows near 19°, suitable for diverse activities and preferences.
How much rainfall should be expected in Chungcheongnam-do during September?
Significant rainfall exceeding 204.4 mm is expected in Chungcheongnam-do during September, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Chungcheongnam-do during September?
The average wind speed in Chungcheongnam-do during September is 11 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Chungcheongnam-do

Explore the daily rainfall trends and prepare for Chungcheongnam-dos September weather 💧

UV exposure in Chungcheongnam-do during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Provinces in Chungcheongnam-do
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Cheonan-siGongju-si
Top locations in Chungcheongnam-do
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Location coordinates Where is Chungcheongnam-do?

Get accurate weather forecasts for Chungcheongnam-do, located at latitude 36.353 and longitude 127.22. Stay updated with localized weather information tailored for Chungcheongnam-do.

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