Currently: 69 °F. Passing clouds. (Weather station: Charleston Air Force Base Reporting Station, USA). See more current weatherSeptember 2017 Weather in Charleston — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
59
62
65
68
71
74
77
80
83
86
89
92
95
Fri, Sep 1
Lo:73
12 am
Hi:73
1
Lo:73
6 am
Hi:88
6
Lo:82
12 pm
Hi:90
16
Lo:73
6 pm
Hi:82
10
Sat, Sep 2
Lo:73
12 am
Hi:75
7
Lo:73
6 am
Hi:82
2
Lo:77
12 pm
Hi:84
4
Lo:73
6 pm
Hi:81
6
Sun, Sep 3
Lo:72
12 am
Hi:75
6
Lo:72
6 am
Hi:84
5
Lo:84
12 pm
Hi:88
9
Lo:73
6 pm
Hi:86
7
Mon, Sep 4
Lo:70
12 am
Hi:73
2
Lo:70
6 am
Hi:86
2
Lo:84
12 pm
Hi:88
9
Lo:75
6 pm
Hi:84
9
Tue, Sep 5
Lo:73
12 am
Hi:75
3
Lo:75
6 am
Hi:86
6
Lo:84
12 pm
Hi:88
13
Lo:79
6 pm
Hi:84
10
Wed, Sep 6
Lo:75
12 am
Hi:79
7
Lo:72
6 am
Hi:81
6
Lo:75
12 pm
Hi:82
9
Lo:70
6 pm
Hi:81
10
Thu, Sep 7
Lo:66
12 am
Hi:70
6
Lo:64
6 am
Hi:75
9
Lo:75
12 pm
Hi:81
7
Lo:64
6 pm
Hi:79
3
Fri, Sep 8
Lo:61
12 am
Hi:64
4
Lo:61
6 am
Hi:79
9
Lo:79
12 pm
Hi:82
11
Lo:66
6 pm
Hi:81
8
Sat, Sep 9
Lo:64
12 am
Hi:66
11
Lo:64
6 am
Hi:77
15
Lo:77
12 pm
Hi:79
16
Lo:72
6 pm
Hi:77
12
Sun, Sep 10
Lo:66
12 am
Hi:72
16
Lo:64
6 am
Hi:70
17
Lo:70
12 pm
Hi:72
18
Lo:64
6 pm
Hi:72
17
Mon, Sep 11
Lo:63
12 am
Hi:64
21
Lo:64
6 am
Hi:73
24
Lo:73
12 pm
Hi:77
30
Lo:75
6 pm
Hi:79
21
Tue, Sep 12
Lo:70
12 am
Hi:77
10
Lo:70
6 am
Hi:81
7
Lo:79
12 pm
Hi:82
13
Lo:68
6 pm
Hi:79
5
Wed, Sep 13
Lo:66
12 am
Hi:68
1
Lo:64
6 am
Hi:81
6
Lo:81
12 pm
Hi:82
12
Lo:73
6 pm
Hi:81
7
Thu, Sep 14
Lo:73
12 am
Hi:73
2
Lo:73
6 am
Hi:84
4
Lo:82
12 pm
Hi:88
9
Lo:73
6 pm
Hi:82
6
Fri, Sep 15
Lo:70
12 am
Hi:73
2
Lo:70
6 am
Hi:84
4
Lo:84
12 pm
Hi:88
5
Lo:73
6 pm
Hi:84
3
Sat, Sep 16
Lo:70
12 am
Hi:73
1
Lo:70
6 am
Hi:86
6
Lo:82
12 pm
Hi:88
10
Lo:72
6 pm
Hi:82
4
Sun, Sep 17
Lo:70
12 am
Hi:72
4
Lo:72
6 am
Hi:84
10
Lo:84
12 pm
Hi:88
13
Lo:72
6 pm
Hi:86
7
Mon, Sep 18
Lo:68
12 am
Hi:72
6
Lo:70
6 am
Hi:84
8
Lo:84
12 pm
Hi:88
12
Lo:73
6 pm
Hi:84
6
Tue, Sep 19
Lo:68
12 am
Hi:73
2
Lo:68
6 am
Hi:84
4
Lo:84
12 pm
Hi:88
7
Lo:73
6 pm
Hi:86
4
Wed, Sep 20
Lo:72
12 am
Hi:75
2
Lo:73
6 am
Hi:86
4
Lo:84
12 pm
Hi:91
6
Lo:75
6 pm
Hi:84
7
Thu, Sep 21
Lo:73
12 am
Hi:75
2
Lo:72
6 am
Hi:91
3
Lo:75
12 pm
Hi:91
7
Lo:72
6 pm
Hi:77
1
Fri, Sep 22
Lo:66
12 am
Hi:72
2
Lo:66
6 am
Hi:84
4
Lo:81
12 pm
Hi:88
8
Lo:72
6 pm
Hi:81
4
Sat, Sep 23
Lo:70
12 am
Hi:72
3
Lo:70
6 am
Hi:84
7
Lo:84
12 pm
Hi:88
12
Lo:73
6 pm
Hi:84
6
Sun, Sep 24
Lo:70
12 am
Hi:73
6
Lo:70
6 am
Hi:81
10
Lo:81
12 pm
Hi:82
9
Lo:73
6 pm
Hi:82
5
Mon, Sep 25
Lo:70
12 am
Hi:73
7
Lo:70
6 am
Hi:81
9
Lo:81
12 pm
Hi:82
9
Lo:73
6 pm
Hi:82
7
Tue, Sep 26
Lo:70
12 am
Hi:73
6
Lo:70
6 am
Hi:84
9
Lo:84
12 pm
Hi:91
11
Lo:75
6 pm
Hi:86
6
Wed, Sep 27
Lo:72
12 am
Hi:75
6
Lo:72
6 am
Hi:88
10
Lo:88
12 pm
Hi:91
12
Lo:75
6 pm
Hi:90
4
Thu, Sep 28
Lo:73
12 am
Hi:75
2
Lo:73
6 am
Hi:90
4
Lo:90
12 pm
Hi:93
5
Lo:79
6 pm
Hi:91
4
Fri, Sep 29
Lo:75
12 am
Hi:79
4
Lo:73
6 am
Hi:88
4
Lo:73
12 pm
Hi:90
9
Lo:73
6 pm
Hi:75
6
Sat, Sep 30
Lo:72
12 am
Hi:75
9
Lo:72
6 am
Hi:79
12
Lo:79
12 pm
Hi:82
12
Lo:70
6 pm
Hi:79
11
Friday, September 1, 2017, 12:00 am — 6:00 am
73 / 73 °F
Fog.
Humidity: 98%
Barometer: 30 "Hg
ESE
Wind: 1.243 mph
High & Low Weather Summary for September 2017
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 94 °F (Sep 28, 2:56 pm) | 100% (Sep 1, 3:56 am) | 30.16 "Hg (Sep 1, 3:56 am) |
| Low | 60 °F (Sep 8, 5:56 am) | 38% (Sep 30, 3:56 pm) | 29.63 "Hg (Sep 11, 6:31 pm) |
| Average | 76 °F | 79% | 29.97 "Hg |
| * Reported Sep 1 12:56 am — Sep 30 11:56 pm, Charleston. 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
Charleston Weather History for September 1, 2017
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 12:56 am Fri, Sep 1 |  | 74 °F | Partly cloudy. | No wind | ↑ | 97% | 30.01 "Hg | 8 mi |
| 1:56 am |  | 74 °F | Mostly cloudy. | 5 mph | ↑ | 97% | 29.97 "Hg | 10 mi |
| 2:56 am | | 74 °F | Mostly cloudy. | No wind | ↑ | 97% | 30.00 "Hg | 10 mi |
| 3:56 am | | 73 °F | Passing clouds. | 3 mph | ↑ | 100% | 30.00 "Hg | 8 mi |
| 4:56 am | | 73 °F | Passing clouds. | No wind | ↑ | 100% | 30.00 "Hg | 7 mi |
| 5:56 am | | 73 °F | Fog. | No wind | ↑ | 97% | 30.00 "Hg | 6 mi |
| 6:56 am |  | 74 °F | Scattered clouds. | No wind | ↑ | 97% | 29.99 "Hg | 8 mi |
| 7:56 am |  | 77 °F | Broken clouds. | 3 mph | ↑ | 94% | 30.00 "Hg | 10 mi |
| 8:56 am | | 80 °F | Broken clouds. | 6 mph | ↑ | 90% | 30.01 "Hg | 10 mi |
| 9:56 am | | 83 °F | Broken clouds. | 9 mph | ↑ | 85% | 30.02 "Hg | 10 mi |
| 10:56 am | | 85 °F | Broken clouds. | 10 mph | ↑ | 80% | 30.02 "Hg | 10 mi |
| 11:56 am | | 88 °F | Broken clouds. | 15 mph | ↑ | 70% | 30.01 "Hg | 10 mi |
| 12:56 pm | | 87 °F | Broken clouds. | 13 mph | ↑ | 77% | 29.99 "Hg | 10 mi |
| 1:56 pm | | 90 °F | Passing clouds. | 15 mph | ↑ | 66% | 29.97 "Hg | 10 mi |
| 2:56 pm | | 90 °F | Passing clouds. | 18 mph | ↑ | 61% | 29.95 "Hg | 10 mi |
| 3:56 pm | | 89 °F | Passing clouds. | 15 mph | ↑ | 61% | 29.94 "Hg | 10 mi |
| 4:56 pm | | 89 °F | Passing clouds. | 15 mph | ↑ | 63% | 29.93 "Hg | 10 mi |
| 5:56 pm | | 83 °F | Broken clouds. | 23 mph | ↑ | 74% | 29.98 "Hg | 10 mi |
| 6:56 pm |  | 73 °F | Light rain. Partly sunny. | 13 mph | ↑ | 90% | 29.99 "Hg | 10 mi |
| 7:56 pm | | 74 °F | Passing clouds. | 8 mph | ↑ | 94% | 29.96 "Hg | 10 mi |
| 8:56 pm | | 73 °F | Passing clouds. | 3 mph | ↑ | 94% | 29.97 "Hg | 10 mi |
| 9:56 pm | | 74 °F | Partly cloudy. | 8 mph | ↑ | 94% | 29.99 "Hg | 10 mi |
| 10:56 pm | | 75 °F | Partly cloudy. | 7 mph | ↑ | 90% | 29.99 "Hg | 10 mi |
| 11:56 pm | | 74 °F | Passing clouds. | 6 mph | ↑ | 97% | 30.01 "Hg | 10 mi |
| Weather by CustomWeather, © 2025 | ||||||||