easeweather.com
Jeollanam-do (Incheon)
BusanCheonanCheongju-siChuncheonDaeguDaejeonEverlandGangwonGapyeongGwangjuGwangmyeongGyeongjuHallasan National ParkHongch’ŏnIncheonIncheonJeju CityJejudoJeonjuMyeong-dongNamiseomPyeongchangPyeongtaekSeoulSokchoSuwonUlsan More Locations
South Korea weather

Weather in Jeollanam-do for September 2026

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

    Temperatures

  • In general, the average temperature in Jeollanam-do at the beginning of September is 30.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 25.9 °C by the end of September.

    • Rain 🌧️

  • The climate of Jeollanam-do in September is notably wet, with an average of 11 rainy days, and a total of 150.3 mm of precipitation.

Average dry days
19
Dry days
Average rainy days
11
Rainy days
Average snowy days
0
Snow days
Average temperatures
29°/21°
Temperatures
Average wind speed
12 km/h
Avg max wind
Average humidity
80 %
Avg humidity

Jeollanam-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
Overcast
29°
3
Light rain shower
31°
4
Partly cloudy
31°
5
Sunny
31°
6
Light drizzle
30°
7
Light rain shower
29°
8
Cloudy
30°
9
Light rain shower
29°
10
Patchy rain possible
31°
11
Patchy light drizzle
32°
12
Light rain shower
29°
13
Patchy rain possible
29°
14
Patchy rain possible
31°
15
Light rain shower
29°
16
Patchy rain possible
31°
17
Light rain shower
30°
18
Light rain shower
30°
19
Partly cloudy
29°
20
Moderate or heavy rain shower
25°
21
Moderate or heavy rain shower
26°
22
Light drizzle
23°
23
Partly cloudy
25°
24
Overcast
27°
25
Patchy rain possible
25°
26
Partly cloudy
26°
27
Mist
26°
28
Light drizzle
25°
29
Patchy rain possible
26°
30
Patchy rain possible
26°

Temperatures trend during September in Jeollanam-do

See the weather trend as well as the moving average line

September weather in Jeollanam-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° /22° 1.4 mm 7
2 Sept. Overcast
Overcast
 29° /20° 3.3 mm 6
3 Sept. Light rain shower
Light rain shower
 31° /21° 2.1 mm 7
4 Sept. Partly cloudy
Partly cloudy
 31° /21° 1.4 mm 8
5 Sept. Sunny
Sunny
 31° /21° 0 mm 8
6 Sept. Light drizzle
Light drizzle
 30° /22° 1.3 mm 7
7 Sept. Light rain shower
Light rain shower
 29° /22° 11 mm 7
8 Sept. Cloudy
Cloudy
 30° /20° 0.7 mm 7
9 Sept. Light rain shower
Light rain shower
 29° /20° 6.6 mm 7
10 Sept. Patchy rain possible
Patchy rain possible
 31° /20° 12.6 mm 7
11 Sept. Patchy light drizzle
Patchy light drizzle
 32° /22° 0.4 mm 7
12 Sept. Light rain shower
Light rain shower
 29° /22° 3.7 mm 7
13 Sept. Patchy rain possible
Patchy rain possible
 29° /22° 6.5 mm 7
14 Sept. Patchy rain possible
Patchy rain possible
 31° /22° 0.1 mm 7
15 Sept. Light rain shower
Light rain shower
 29° /22° 6.2 mm 7
16 Sept. Patchy rain possible
Patchy rain possible
 31° /23° 0.5 mm 7
17 Sept. Light rain shower
Light rain shower
 30° /22° 6.7 mm 7
18 Sept. Light rain shower
Light rain shower
 30° /21° 4.1 mm 7
19 Sept. Partly cloudy
Partly cloudy
 29° /21° 0.4 mm 7
20 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 25° /21° 39.2 mm 6
21 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 26° /18° 24.3 mm 6
22 Sept. Light drizzle
Light drizzle
 23° /18° 1.6 mm 6
23 Sept. Partly cloudy
Partly cloudy
 25° /16° 0.2 mm 7
24 Sept. Overcast
Overcast
 27° /17° 3.8 mm 6
25 Sept. Patchy rain possible
Patchy rain possible
 25° /18° 2.8 mm 6
26 Sept. Partly cloudy
Partly cloudy
 26° /19° 0.1 mm 6
27 Sept. Mist
Mist
 26° /18° 0.2 mm 6
28 Sept. Light drizzle
Light drizzle
 25° /19° 2.3 mm 6
29 Sept. Patchy rain possible
Patchy rain possible
 26° /17° 0 mm 6
30 Sept. Patchy rain possible
Patchy rain possible
 26° /15° 0 mm 6
Next
Important Notice
Our weather forecast for Jeollanam-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 Jeollanam-do forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Jeollanam-do in September - FAQ

What are the expected maximum and minimum temperatures in Jeollanam-do during September?
During September, expect a variety of temperatures with highs around 29° and lows near 21°, suitable for diverse activities and preferences.
How much rainfall should be expected in Jeollanam-do during September?
Significant rainfall exceeding 150.3 mm is expected in Jeollanam-do during September, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Jeollanam-do during September?
The average wind speed in Jeollanam-do during September is 12 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Jeollanam-do

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

UV exposure in Jeollanam-do during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Provinces in Jeollanam-do
Select a province for an accurate weather forecast
Naju-si
Top locations in Jeollanam-do
Select a location for an accurate weather forecast
Incheon
More Locations

Quick links

More Jeollanam-do weather pages
You are here
Location coordinates Where is Jeollanam-do?

Get accurate weather forecasts for Jeollanam-do, located at latitude 35.073 and longitude 126.7. Stay updated with localized weather information tailored for Jeollanam-do.

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