Currently: 79 °F. Light rain. Mostly cloudy. (Weather station: Myrtle Beach Air Force Base, USA). See more current weatherSeptember 2018 Weather in Myrtle Beach — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
67
70
73
76
79
82
85
88
91
Sat, Sep 1
Lo:73
12 am
Hi:81
2
Lo:73
6 am
Hi:86
4
Lo:84
12 pm
Hi:88
11
Lo:81
6 pm
Hi:84
8
Sun, Sep 2
Lo:79
12 am
Hi:81
5
Lo:77
6 am
Hi:88
8
Lo:84
12 pm
Hi:88
12
Lo:81
6 pm
Hi:84
9
Mon, Sep 3
Lo:75
12 am
Hi:81
6
Lo:75
6 am
Hi:88
9
Lo:84
12 pm
Hi:88
12
Lo:81
6 pm
Hi:84
8
Tue, Sep 4
Lo:75
12 am
Hi:81
4
Lo:75
6 am
Hi:86
7
Lo:84
12 pm
Hi:88
10
Lo:81
6 pm
Hi:84
7
Wed, Sep 5
Lo:75
12 am
Hi:81
3
Lo:75
6 am
Hi:88
9
Lo:84
12 pm
Hi:88
12
Lo:81
6 pm
Hi:84
8
Thu, Sep 6
Lo:75
12 am
Hi:81
6
Lo:75
6 am
Hi:88
8
Lo:82
12 pm
Hi:88
11
Lo:81
6 pm
Hi:82
9
Fri, Sep 7
Lo:75
12 am
Hi:81
5
Lo:75
6 am
Hi:84
4
Lo:84
12 pm
Hi:88
10
Lo:81
6 pm
Hi:84
9
Sat, Sep 8
Lo:73
12 am
Hi:81
4
Lo:75
6 am
Hi:88
6
Lo:84
12 pm
Hi:88
11
Lo:81
6 pm
Hi:84
10
Sun, Sep 9
Lo:75
12 am
Hi:81
3
Lo:73
6 am
Hi:86
4
Lo:84
12 pm
Hi:86
11
Lo:82
6 pm
Hi:84
10
Mon, Sep 10
Lo:75
12 am
Hi:82
3
Lo:75
6 am
Hi:86
4
Lo:84
12 pm
Hi:88
11
Lo:82
6 pm
Hi:84
7
Tue, Sep 11
Lo:75
12 am
Hi:82
2
Lo:75
6 am
Hi:88
6
Lo:82
12 pm
Hi:88
7
Lo:81
6 pm
Hi:84
6
Wed, Sep 12
Lo:77
12 am
Hi:81
5
Lo:75
6 am
Hi:88
9
Lo:86
12 pm
Hi:88
12
Lo:81
6 pm
Hi:86
7
Thu, Sep 13
Lo:75
12 am
Hi:81
12
Lo:75
6 am
Hi:84
16
Lo:84
12 pm
Hi:88
18
Lo:75
6 pm
Hi:84
20
Fri, Sep 14
Lo:81
12 am
Hi:81
26
Lo:75
6 am
Hi:81
30
Lo:75
12 pm
Hi:75
31
Lo:73
6 pm
Hi:75
29
Sat, Sep 15
Lo:75
12 am
Hi:75
27
Lo:75
6 am
Hi:75
25
Lo:75
12 pm
Hi:77
28
Lo:77
6 pm
Hi:79
22
Sun, Sep 16
Lo:79
12 am
Hi:81
23
Lo:79
6 am
Hi:81
26
Lo:81
12 pm
Hi:82
27
Lo:77
6 pm
Hi:81
22
Mon, Sep 17
Lo:81
12 am
Hi:81
17
Lo:79
6 am
Hi:82
14
Lo:82
12 pm
Hi:84
15
Lo:81
6 pm
Hi:84
11
Tue, Sep 18
Lo:79
12 am
Hi:81
11
Lo:75
6 am
Hi:86
10
Lo:86
12 pm
Hi:91
9
Lo:73
6 pm
Hi:88
3
Wed, Sep 19
Lo:73
12 am
Hi:77
1
Lo:73
6 am
Hi:86
2
Lo:84
12 pm
Hi:88
8
Lo:75
6 pm
Hi:84
2
Thu, Sep 20
Lo:73
12 am
Hi:75
0
Lo:73
6 am
Hi:86
4
Lo:82
12 pm
Hi:86
11
Lo:79
6 pm
Hi:82
11
Fri, Sep 21
Lo:73
12 am
Hi:79
9
Lo:72
6 am
Hi:82
7
Lo:81
12 pm
Hi:82
10
Lo:75
6 pm
Hi:81
6
Sat, Sep 22
Lo:68
12 am
Hi:72
1
Lo:68
6 am
Hi:82
2
Lo:82
12 pm
Hi:82
7
Lo:79
6 pm
Hi:82
7
Sun, Sep 23
Lo:72
12 am
Hi:79
4
Lo:72
6 am
Hi:82
6
Lo:81
12 pm
Hi:82
9
Lo:79
6 pm
Hi:81
6
Mon, Sep 24
Lo:72
12 am
Hi:79
6
Lo:72
6 am
Hi:82
10
Lo:81
12 pm
Hi:82
10
Lo:73
6 pm
Hi:81
8
Tue, Sep 25
Lo:72
12 am
Hi:73
8
Lo:72
6 am
Hi:82
7
Lo:79
12 pm
Hi:88
4
Lo:75
6 pm
Hi:82
2
Wed, Sep 26
Lo:73
12 am
Hi:75
1
Lo:73
6 am
Hi:84
6
Lo:84
12 pm
Hi:86
10
Lo:79
6 pm
Hi:84
9
Thu, Sep 27
Lo:72
12 am
Hi:79
6
Lo:72
6 am
Hi:82
3
Lo:82
12 pm
Hi:86
11
Lo:82
6 pm
Hi:84
14
Fri, Sep 28
Lo:79
12 am
Hi:82
10
Lo:79
6 am
Hi:86
9
Lo:84
12 pm
Hi:90
8
Lo:77
6 pm
Hi:84
6
Sat, Sep 29
Lo:75
12 am
Hi:77
1
Lo:75
6 am
Hi:82
4
Lo:75
12 pm
Hi:84
9
Lo:73
6 pm
Hi:77
6
Sun, Sep 30
Lo:72
12 am
Hi:73
6
Lo:70
6 am
Hi:81
10
Lo:81
12 pm
Hi:82
12
Lo:72
6 pm
Hi:81
8
Saturday, September 1, 2018, 12:00 am — 6:00 am
81 / 73 °F
Passing clouds.
Humidity: 90%
Barometer: 30.17 "Hg
S
Wind: 2.486 mph
High & Low Weather Summary for September 2018
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 91 °F (Sep 18, 3:56 pm) | 100% (Sep 14, 7:10 pm) | 30.28 "Hg (Sep 14, 7:10 pm) |
| Low | 68 °F (Sep 22, 4:56 am) | 57% (Sep 18, 3:56 pm) | 29.05 "Hg (Sep 14, 8:56 pm) |
| Average | 80 °F | 82% | 30.02 "Hg |
| * Reported Sep 1 12:56 am — Sep 30 11:56 pm, Myrtle Beach. 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
Myrtle Beach Weather History for September 1, 2018
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 12:56 am Sat, Sep 1 |  | 81 °F | Passing clouds. | 6 mph | ↑ | 82% | 30.17 "Hg | 10 mi |
| 1:56 am | | 80 °F | Passing clouds. | 3 mph | ↑ | 85% | 30.16 "Hg | 10 mi |
| 3:56 am | | 77 °F | Passing clouds. | No wind | ↑ | 90% | 30.17 "Hg | 10 mi |
| 4:56 am |  | 76 °F | Clear. | 3 mph | ↑ | 94% | 30.17 "Hg | 10 mi |
| 5:56 am | | 74 °F | Clear. | No wind | ↑ | 97% | 30.18 "Hg | 10 mi |
| 7:56 am |  | 77 °F | Sunny. | 3 mph | ↑ | 94% | 30.21 "Hg | 10 mi |
| 8:56 am |  | 82 °F | Scattered clouds. | No wind | ↑ | 82% | 30.21 "Hg | 10 mi |
| 9:56 am | | 85 °F | Scattered clouds. | 7 mph | ↑ | 77% | 30.22 "Hg | 10 mi |
| 10:56 am |  | 85 °F | Partly sunny. | 7 mph | ↑ | 72% | 30.23 "Hg | 10 mi |
| 11:56 am | | 86 °F | Passing clouds. | 8 mph | ↑ | 72% | 30.23 "Hg | 10 mi |
| 12:56 pm | | 86 °F | Scattered clouds. | 8 mph | ↑ | 72% | 30.22 "Hg | 10 mi |
| 1:56 pm | | 87 °F | Sunny. | 10 mph | ↑ | 67% | 30.21 "Hg | 10 mi |
| 2:56 pm | | 86 °F | Scattered clouds. | 12 mph | ↑ | 72% | 30.19 "Hg | 10 mi |
| 3:56 pm | | 86 °F | Sunny. | 14 mph | ↑ | 72% | 30.16 "Hg | 10 mi |
| 4:56 pm | | 86 °F | Passing clouds. | 13 mph | ↑ | 72% | 30.16 "Hg | 10 mi |
| 5:56 pm | | 85 °F | Passing clouds. | 9 mph | ↑ | 72% | 30.16 "Hg | 10 mi |
| 6:56 pm | | 84 °F | Sunny. | 10 mph | ↑ | 72% | 30.15 "Hg | 10 mi |
| 7:56 pm | | 82 °F | Passing clouds. | 9 mph | ↑ | 79% | 30.17 "Hg | 10 mi |
| 8:56 pm | | 81 °F | Clear. | 8 mph | ↑ | 79% | 30.19 "Hg | 10 mi |
| 9:56 pm | | 81 °F | Clear. | 8 mph | ↑ | 79% | 30.20 "Hg | 10 mi |
| 10:56 pm | | 81 °F | Clear. | 6 mph | ↑ | 82% | 30.21 "Hg | 10 mi |
| 11:56 pm | | 81 °F | Clear. | 7 mph | ↑ | 82% | 30.21 "Hg | 10 mi |
| Weather by CustomWeather, © 2025 | ||||||||