Average data for 10 years
1 September
Sunday
+25°
+19°
2 September
Monday
+25°
+19°
3 September
Tuesday
+26°
+19°
4 September
Wednesday
+24°
+20°
5 September
Thursday
+24°
+20°
6 September
Friday
+25°
+19°
7 September
Saturday
+25°
+20°
8 September
Sunday
+24°
+19°
9 September
Monday
+24°
+19°
10 September
Tuesday
+23°
+19°
11 September
Wednesday
+23°
+19°
12 September
Thursday
+24°
+19°
13 September
Friday
+24°
+19°
14 September
Saturday
+25°
+19°
15 September
Sunday
+25°
+18°
16 September
Monday
+25°
+19°
17 September
Tuesday
+25°
+18°
18 September
Wednesday
+24°
+18°
19 September
Thursday
+23°
+17°
20 September
Friday
+23°
+18°
21 September
Saturday
+23°
+16°
22 September
Sunday
+23°
+16°
23 September
Monday
+23°
+18°
24 September
Tuesday
+23°
+18°
25 September
Wednesday
+23°
+17°
26 September
Thursday
+22°
+17°
27 September
Friday
+20°
+16°
28 September
Saturday
+19°
+15°
29 September
Sunday
+21°
+15°
30 September
Monday
+20°
+15°
Cities near you
South Korea
Busan
North Korea
Pyongyang
South Korea
Incheon
South Korea
Sokcho
North Korea
Wonsan
Cities with similar weather in September
Azerbaijan
Baku
Georgia
Batumi
Montenegro
Budva
Greece
Heraklion
Spain
Madrid
In September, the weather in Seoul is typically warm. Average daily high temperature in September is about 23 degrees above zero. On average, Seoul has 12 sunny, 11 partly cloudy, 5 rainy, and 2 cloudy days in September. The rains are usually heavy. September as well as May and October is considered the most comfortable time to visit Seoul.