Currently: 77 °F. Clear. (Weather station: Seoul / Kimp'O International Airport, South Korea). See more current weatherSeptember 2018 Weather in Seoul — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
49
53
57
61
65
69
73
77
81
85
Sat, Sep 1
Lo:68
12 am
Hi:72
2
Lo:68
6 am
Hi:84
7
Lo:82
12 pm
Hi:86
7
Lo:75
6 pm
Hi:82
9
Sun, Sep 2
Lo:70
12 am
Hi:75
9
Lo:70
6 am
Hi:81
10
Lo:81
12 pm
Hi:86
6
Lo:77
6 pm
Hi:81
5
Mon, Sep 3
Lo:75
12 am
Hi:77
5
Lo:75
6 am
Hi:77
6
Lo:70
12 pm
Hi:81
7
Lo:70
6 pm
Hi:72
4
Tue, Sep 4
Lo:68
12 am
Hi:70
4
Lo:66
6 am
Hi:79
6
Lo:79
12 pm
Hi:82
12
Lo:70
6 pm
Hi:79
7
Wed, Sep 5
Lo:66
12 am
Hi:70
4
Lo:66
6 am
Hi:81
9
Lo:79
12 pm
Hi:82
13
Lo:70
6 pm
Hi:79
6
Thu, Sep 6
Lo:68
12 am
Hi:70
4
Lo:68
6 am
Hi:82
7
Lo:79
12 pm
Hi:82
11
Lo:70
6 pm
Hi:81
13
Fri, Sep 7
Lo:66
12 am
Hi:70
7
Lo:68
6 am
Hi:75
7
Lo:75
12 pm
Hi:77
11
Lo:63
6 pm
Hi:75
6
Sat, Sep 8
Lo:57
12 am
Hi:64
2
Lo:57
6 am
Hi:77
4
Lo:77
12 pm
Hi:79
10
Lo:63
6 pm
Hi:77
5
Sun, Sep 9
Lo:57
12 am
Hi:63
4
Lo:57
6 am
Hi:77
3
Lo:75
12 pm
Hi:81
6
Lo:66
6 pm
Hi:75
7
Mon, Sep 10
Lo:59
12 am
Hi:70
6
Lo:59
6 am
Hi:79
6
Lo:77
12 pm
Hi:81
6
Lo:70
6 pm
Hi:77
9
Tue, Sep 11
Lo:63
12 am
Hi:70
5
Lo:63
6 am
Hi:77
9
Lo:75
12 pm
Hi:77
7
Lo:70
6 pm
Hi:75
8
Wed, Sep 12
Lo:61
12 am
Hi:70
9
Lo:61
6 am
Hi:77
5
Lo:77
12 pm
Hi:82
5
Lo:68
6 pm
Hi:79
4
Thu, Sep 13
Lo:68
12 am
Hi:70
3
Lo:66
6 am
Hi:75
6
Lo:75
12 pm
Hi:81
7
Lo:72
6 pm
Hi:77
5
Fri, Sep 14
Lo:66
12 am
Hi:73
4
Lo:66
6 am
Hi:79
6
Lo:79
12 pm
Hi:79
8
Lo:73
6 pm
Hi:79
6
Sat, Sep 15
Lo:70
12 am
Hi:73
6
Lo:70
6 am
Hi:77
4
Lo:75
12 pm
Hi:79
4
Lo:72
6 pm
Hi:75
2
Sun, Sep 16
Lo:70
12 am
Hi:73
2
Lo:70
6 am
Hi:75
3
Lo:70
12 pm
Hi:75
6
Lo:70
6 pm
Hi:72
3
Mon, Sep 17
Lo:63
12 am
Hi:70
3
Lo:63
6 am
Hi:75
3
Lo:73
12 pm
Hi:79
7
Lo:63
6 pm
Hi:73
3
Tue, Sep 18
Lo:61
12 am
Hi:64
4
Lo:63
6 am
Hi:75
3
Lo:73
12 pm
Hi:79
7
Lo:68
6 pm
Hi:73
3
Wed, Sep 19
Lo:64
12 am
Hi:68
3
Lo:64
6 am
Hi:77
2
Lo:73
12 pm
Hi:79
4
Lo:66
6 pm
Hi:73
4
Thu, Sep 20
Lo:66
12 am
Hi:68
6
Lo:64
6 am
Hi:66
6
Lo:66
12 pm
Hi:68
9
Lo:66
6 pm
Hi:68
8
Fri, Sep 21
Lo:64
12 am
Hi:68
6
Lo:64
6 am
Hi:66
7
Lo:68
12 pm
Hi:72
6
Lo:66
6 pm
Hi:70
3
Sat, Sep 22
Lo:61
12 am
Hi:66
2
Lo:61
6 am
Hi:77
6
Lo:72
12 pm
Hi:79
11
Lo:59
6 pm
Hi:72
2
Sun, Sep 23
Lo:57
12 am
Hi:63
4
Lo:63
6 am
Hi:70
6
Lo:70
12 pm
Hi:75
7
Lo:63
6 pm
Hi:72
5
Mon, Sep 24
Lo:54
12 am
Hi:63
3
Lo:55
6 am
Hi:70
8
Lo:66
12 pm
Hi:70
11
Lo:54
6 pm
Hi:66
4
Tue, Sep 25
Lo:50
12 am
Hi:55
4
Lo:50
6 am
Hi:70
4
Lo:68
12 pm
Hi:73
7
Lo:57
6 pm
Hi:68
4
Wed, Sep 26
Lo:55
12 am
Hi:57
4
Lo:57
6 am
Hi:72
7
Lo:70
12 pm
Hi:75
7
Lo:61
6 pm
Hi:70
8
Thu, Sep 27
Lo:52
12 am
Hi:61
4
Lo:52
6 am
Hi:72
5
Lo:70
12 pm
Hi:75
6
Lo:63
6 pm
Hi:70
6
Fri, Sep 28
Lo:59
12 am
Hi:63
6
Lo:61
6 am
Hi:66
7
Lo:66
12 pm
Hi:72
7
Lo:63
6 pm
Hi:68
5
Sat, Sep 29
Lo:55
12 am
Hi:63
4
Lo:55
6 am
Hi:75
5
Lo:73
12 pm
Hi:79
6
Lo:63
6 pm
Hi:73
5
Sun, Sep 30
Lo:57
12 am
Hi:63
4
Lo:55
6 am
Hi:70
6
Lo:64
12 pm
Hi:70
13
Lo:55
6 pm
Hi:64
8
Saturday, September 1, 2018, 12:00 am — 6:00 am
72 / 68 °F
Clear.
Humidity: 90%
Barometer: 29.86 "Hg
N
Wind: 2.486 mph
High & Low Weather Summary for September 2018
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 86 °F (Sep 1, 3:00 pm) | 94% (Sep 1, 4:00 am) | 30.21 "Hg (Sep 1, 4:00 am) |
| Low | 50 °F (Sep 25, 2:00 am) | 25% (Sep 25, 3:00 pm) | 29.42 "Hg (Sep 4, 2:00 pm) |
| Average | 70 °F | 64% | 29.93 "Hg |
| * Reported Sep 1 12:00 am — Sep 30 11:00 pm, Seoul. Weather by CustomWeather, © 2025 | |||
Note: Actual official high and low records may vary slightly from our data, if they occured in-between our weather recording intervals... More about our weather records
Seoul Weather History for September 1, 2018
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 12:00 am Sat, Sep 1 |  | 72 °F | Passing clouds. | 1 mph | ↑ | 88% | 29.86 "Hg | N/A |
| 1:00 am | | 70 °F | Passing clouds. | 3 mph | ↑ | 88% | 29.86 "Hg | N/A |
| 2:00 am | | 70 °F | Passing clouds. | 1 mph | ↑ | 88% | 29.86 "Hg | N/A |
| 3:00 am |  | 70 °F | Clear. | 3 mph | ↑ | 88% | 29.86 "Hg | 5 mi |
| 4:00 am | | 68 °F | Clear. | 3 mph | ↑ | 94% | 29.86 "Hg | 4 mi |
| 5:00 am | | 68 °F | Clear. | 2 mph | ↑ | 94% | 29.86 "Hg | 4 mi |
| 6:00 am | | 68 °F | Clear. | 5 mph | ↑ | 88% | 29.86 "Hg | 5 mi |
| 7:00 am | | 70 °F | Clear. | 3 mph | ↑ | 88% | 29.89 "Hg | 5 mi |
| 8:00 am |  | 75 °F | Passing clouds. | 3 mph | ↑ | 69% | 29.89 "Hg | N/A |
| 9:00 am | | 77 °F | Sunny. | 10 mph | ↑ | 57% | 29.89 "Hg | 10 mi |
| 10:00 am | | 81 °F | Sunny. | 10 mph | ↑ | 51% | 29.92 "Hg | 10 mi |
| 11:00 am | | 82 °F | Passing clouds. | 9 mph | ↑ | 48% | 29.92 "Hg | N/A |
| 12:00 pm | | 84 °F | Passing clouds. | 9 mph | ↑ | 45% | 29.89 "Hg | N/A |
| 1:00 pm | | 84 °F | Scattered clouds. | 9 mph | ↑ | 45% | 29.86 "Hg | N/A |
| 2:00 pm | | 84 °F | Scattered clouds. | 8 mph | ↑ | 45% | 29.86 "Hg | N/A |
| 3:00 pm | | 86 °F | Scattered clouds. | 8 mph | ↑ | 43% | 29.83 "Hg | N/A |
| 4:00 pm | | 84 °F | Scattered clouds. | 9 mph | ↑ | 45% | 29.83 "Hg | N/A |
| 5:00 pm | | 86 °F | Scattered clouds. | 5 mph | ↑ | 43% | 29.83 "Hg | N/A |
| 6:00 pm | | 82 °F | Passing clouds. | 6 mph | ↑ | 51% | 29.83 "Hg | N/A |
| 7:00 pm | | 81 °F | Passing clouds. | 6 mph | ↑ | 54% | 29.83 "Hg | N/A |
| 8:00 pm | | 81 °F | Passing clouds. | 12 mph | ↑ | 48% | 29.86 "Hg | N/A |
| 9:00 pm | | 79 °F | Passing clouds. | 12 mph | ↑ | 51% | 29.86 "Hg | N/A |
| 10:00 pm | | 79 °F | Passing clouds. | 13 mph | ↑ | 51% | 29.86 "Hg | N/A |
| 11:00 pm | | 77 °F | Passing clouds. | 10 mph | ↑ | 54% | 29.89 "Hg | N/A |
| Weather by CustomWeather, © 2025 | ||||||||