easeweather.com
Yongin-si (Everland)
BusanCheonanCheongju-siChuncheonDaeguDaejeonEverlandGangwonGapyeongGwangjuGwangmyeongGyeongjuHallasan National ParkHongch’ŏnIncheonIncheonJeju CityJejudoJeonjuMyeong-dongNamiseomPyeongchangPyeongtaekSeoulSokchoSuwonUlsan More Locations
South Korea weather

Weather in Yongin-si for September 2026

Your guide to Yongin-si weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Yongin-si at the beginning of September is 28.4 °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 Yongin-si in September is notably wet, with an average of 12 rainy days, and a total of 262 mm of precipitation.

Average dry days
18
Dry days
Average rainy days
12
Rainy days
Average snowy days
0
Snow days
Average temperatures
28°/20°
Temperatures
Average wind speed
10 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Yongin-si Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Overcast
27°
2
Moderate or heavy rain shower
27°
3
Overcast
30°
4
Sunny
29°
5
Moderate rain at times
30°
6
Moderate rain at times
28°
7
Patchy rain possible
28°
8
Sunny
31°
9
Cloudy
30°
10
Patchy rain possible
32°
11
Moderate or heavy rain shower
33°
12
Moderate or heavy rain shower
25°
13
Moderate or heavy rain shower
26°
14
Heavy rain at times
29°
15
Patchy rain possible
29°
16
Patchy rain possible
28°
17
Moderate or heavy rain shower
27°
18
Moderate or heavy rain shower
27°
19
Moderate or heavy rain shower
25°
20
Moderate or heavy rain shower
25°
21
Moderate or heavy rain shower
22°
22
Patchy rain possible
23°
23
Sunny
24°
24
Cloudy
23°
25
Patchy rain possible
26°
26
Patchy rain possible
27°
27
Overcast
26°
28
Patchy rain possible
23°
29
Sunny
25°
30
Partly cloudy
26°

Temperatures trend during September in Yongin-si

See the weather trend as well as the moving average line

September weather in Yongin-si day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Overcast
Overcast
 27° /21° 5.2 mm 6
2 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 27° /20° 9.2 mm 6
3 Sept. Overcast
Overcast
 30° /20° 0 mm 7
4 Sept. Sunny
Sunny
 29° /20° 4 mm 7
5 Sept. Moderate rain at times
Moderate rain at times
 30° /21° 0.8 mm 7
6 Sept. Moderate rain at times
Moderate rain at times
 28° /22° 5.6 mm 6
7 Sept. Patchy rain possible
Patchy rain possible
 28° /19° 0.8 mm 7
8 Sept. Sunny
Sunny
 31° /20° 0 mm 8
9 Sept. Cloudy
Cloudy
 30° /20° 0 mm 7
10 Sept. Patchy rain possible
Patchy rain possible
 32° /20° 0.3 mm 8
11 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 33° /20° 5.7 mm 8
12 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 25° /21° 24.8 mm 6
13 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 26° /20° 23.6 mm 6
14 Sept. Heavy rain at times
Heavy rain at times
 29° /20° 5.1 mm 6
15 Sept. Patchy rain possible
Patchy rain possible
 29° /21° 0.3 mm 6
16 Sept. Patchy rain possible
Patchy rain possible
 28° /20° 6.3 mm 6
17 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 27° /22° 17.6 mm 6
18 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 27° /20° 3 mm 6
19 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 25° /19° 9.2 mm 6
20 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 25° /16° 53.6 mm 6
21 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 22° /15° 35.1 mm 5
22 Sept. Patchy rain possible
Patchy rain possible
 23° /15° 0.3 mm 5
23 Sept. Sunny
Sunny
 24° /14° 0 mm 6
24 Sept. Cloudy
Cloudy
 23° /15° 11.2 mm 5
25 Sept. Patchy rain possible
Patchy rain possible
 26° /17° 5.5 mm 6
26 Sept. Patchy rain possible
Patchy rain possible
 27° /17° 0.4 mm 7
27 Sept. Overcast
Overcast
 26° /17° 0.1 mm 6
28 Sept. Patchy rain possible
Patchy rain possible
 23° /16° 11 mm 6
29 Sept. Sunny
Sunny
 25° /16° 0 mm 6
30 Sept. Partly cloudy
Partly cloudy
 26° /16° 0 mm 6
Next
Important Notice
Our weather forecast for Yongin-si 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 Yongin-si forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Yongin-si in September - FAQ

What are the expected maximum and minimum temperatures in Yongin-si during September?
During September, expect a variety of temperatures with highs around 28° and lows near 20°, suitable for diverse activities and preferences.
How much rainfall should be expected in Yongin-si during September?
Significant rainfall exceeding 262 mm is expected in Yongin-si during September, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Yongin-si during September?
The average wind speed in Yongin-si during September is 10 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Yongin-si

Explore the daily rainfall trends and prepare for Yongin-sis September weather 💧

UV exposure in Yongin-si during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Top locations in Yongin-si
Select a location for an accurate weather forecast
Everland
More Locations

Quick links

More Yongin-si weather pages
You are here
Location coordinates Where is Yongin-si?

Get accurate weather forecasts for Yongin-si, located at latitude 37.296 and longitude 127.231. Stay updated with localized weather information tailored for Yongin-si.

Found a mistake?
We appreciate your attention to details. Tell us here.