September 2018 Weather in Louisville — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
52
56
60
64
68
72
76
80
84
88
92
Sat, Sep 1
Lo:73
12 am
Hi:73
6
Lo:72
6 am
Hi:81
7
Lo:81
12 pm
Hi:88
9
Lo:79
6 pm
Hi:88
9
Sun, Sep 2
Lo:73
12 am
Hi:79
5
Lo:72
6 am
Hi:86
4
Lo:86
12 pm
Hi:91
7
Lo:81
6 pm
Hi:91
6
Mon, Sep 3
Lo:75
12 am
Hi:81
4
Lo:75
6 am
Hi:90
5
Lo:90
12 pm
Hi:91
6
Lo:82
6 pm
Hi:91
6
Tue, Sep 4
Lo:75
12 am
Hi:82
4
Lo:75
6 am
Hi:90
3
Lo:90
12 pm
Hi:93
6
Lo:82
6 pm
Hi:93
5
Wed, Sep 5
Lo:77
12 am
Hi:84
4
Lo:75
6 am
Hi:88
2
Lo:86
12 pm
Hi:90
7
Lo:81
6 pm
Hi:88
7
Thu, Sep 6
Lo:75
12 am
Hi:81
4
Lo:75
6 am
Hi:82
6
Lo:73
12 pm
Hi:84
6
Lo:79
6 pm
Hi:84
6
Fri, Sep 7
Lo:75
12 am
Hi:79
4
Lo:75
6 am
Hi:81
4
Lo:81
12 pm
Hi:88
3
Lo:77
6 pm
Hi:88
9
Sat, Sep 8
Lo:73
12 am
Hi:77
6
Lo:73
6 am
Hi:75
6
Lo:70
12 pm
Hi:75
13
Lo:66
6 pm
Hi:72
9
Sun, Sep 9
Lo:64
12 am
Hi:66
5
Lo:64
6 am
Hi:64
7
Lo:63
12 pm
Hi:64
9
Lo:63
6 pm
Hi:64
7
Mon, Sep 10
Lo:59
12 am
Hi:63
6
Lo:61
6 am
Hi:64
7
Lo:64
12 pm
Hi:68
9
Lo:64
6 pm
Hi:68
5
Tue, Sep 11
Lo:61
12 am
Hi:66
2
Lo:59
6 am
Hi:70
4
Lo:70
12 pm
Hi:72
7
Lo:68
6 pm
Hi:72
6
Wed, Sep 12
Lo:63
12 am
Hi:68
4
Lo:63
6 am
Hi:73
5
Lo:73
12 pm
Hi:81
7
Lo:72
6 pm
Hi:79
7
Thu, Sep 13
Lo:64
12 am
Hi:72
4
Lo:64
6 am
Hi:81
4
Lo:81
12 pm
Hi:90
4
Lo:75
6 pm
Hi:90
5
Fri, Sep 14
Lo:72
12 am
Hi:75
4
Lo:72
6 am
Hi:84
4
Lo:84
12 pm
Hi:90
9
Lo:79
6 pm
Hi:88
6
Sat, Sep 15
Lo:72
12 am
Hi:79
6
Lo:72
6 am
Hi:86
5
Lo:86
12 pm
Hi:91
9
Lo:81
6 pm
Hi:90
7
Sun, Sep 16
Lo:75
12 am
Hi:81
6
Lo:73
6 am
Hi:82
7
Lo:81
12 pm
Hi:82
10
Lo:75
6 pm
Hi:82
7
Mon, Sep 17
Lo:73
12 am
Hi:75
7
Lo:72
6 am
Hi:75
9
Lo:75
12 pm
Hi:84
7
Lo:77
6 pm
Hi:82
6
Tue, Sep 18
Lo:73
12 am
Hi:77
4
Lo:73
6 am
Hi:86
4
Lo:86
12 pm
Hi:91
7
Lo:79
6 pm
Hi:88
4
Wed, Sep 19
Lo:73
12 am
Hi:79
2
Lo:73
6 am
Hi:88
2
Lo:88
12 pm
Hi:91
7
Lo:81
6 pm
Hi:91
5
Thu, Sep 20
Lo:75
12 am
Hi:81
5
Lo:75
6 am
Hi:90
5
Lo:90
12 pm
Hi:93
8
Lo:82
6 pm
Hi:93
9
Fri, Sep 21
Lo:81
12 am
Hi:82
10
Lo:77
6 am
Hi:86
12
Lo:81
12 pm
Hi:91
11
Lo:75
6 pm
Hi:81
4
Sat, Sep 22
Lo:68
12 am
Hi:75
10
Lo:64
6 am
Hi:68
11
Lo:63
12 pm
Hi:66
9
Lo:63
6 pm
Hi:63
7
Sun, Sep 23
Lo:63
12 am
Hi:63
7
Lo:61
6 am
Hi:64
6
Lo:64
12 pm
Hi:68
8
Lo:66
6 pm
Hi:68
6
Mon, Sep 24
Lo:64
12 am
Hi:66
4
Lo:66
6 am
Hi:70
7
Lo:70
12 pm
Hi:73
9
Lo:72
6 pm
Hi:73
11
Tue, Sep 25
Lo:72
12 am
Hi:72
10
Lo:72
6 am
Hi:77
11
Lo:73
12 pm
Hi:81
11
Lo:72
6 pm
Hi:75
7
Wed, Sep 26
Lo:72
12 am
Hi:75
8
Lo:70
6 am
Hi:73
8
Lo:70
12 pm
Hi:73
12
Lo:63
6 pm
Hi:72
7
Thu, Sep 27
Lo:61
12 am
Hi:63
6
Lo:61
6 am
Hi:63
8
Lo:61
12 pm
Hi:63
7
Lo:57
6 pm
Hi:63
6
Fri, Sep 28
Lo:54
12 am
Hi:57
1
Lo:54
6 am
Hi:59
2
Lo:59
12 pm
Hi:72
5
Lo:61
6 pm
Hi:72
4
Sat, Sep 29
Lo:57
12 am
Hi:61
3
Lo:55
6 am
Hi:68
6
Lo:68
12 pm
Hi:77
4
Lo:66
6 pm
Hi:75
3
Sun, Sep 30
Lo:57
12 am
Hi:66
2
Lo:59
6 am
Hi:73
1
Lo:73
12 pm
Hi:82
3
Lo:70
6 pm
Hi:82
3
Saturday, September 1, 2018, 12:00 am — 6:00 am
73 / 73 °F
Passing clouds.
Humidity: 86%
Barometer: 30.08 "Hg
SSE
Wind: 5.593 mph
High & Low Weather Summary for September 2018
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 94 °F (Sep 20, 3:56 pm) | 100% (Sep 28, 3:56 am) | 30.30 "Hg (Sep 28, 3:56 am) |
| Low | 53 °F (Sep 28, 3:56 am) | 41% (Sep 20, 3:56 pm) | 29.74 "Hg (Sep 8, 7:56 pm) |
| Average | 74 °F | 77% | 30.06 "Hg |
| * Reported Sep 1 12:56 am — Sep 30 11:56 pm, Louisville. 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
Louisville 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 |  | 73 °F | Mostly cloudy. | 5 mph | ↑ | 88% | 30.10 "Hg | 10 mi |
| 1:56 am | | 74 °F | Mostly cloudy. | 5 mph | ↑ | 85% | 30.10 "Hg | 10 mi |
| 2:56 am |  | 74 °F | Passing clouds. | 8 mph | ↑ | 88% | 30.08 "Hg | 10 mi |
| 3:56 am | | 74 °F | Passing clouds. | 7 mph | ↑ | 85% | 30.06 "Hg | 10 mi |
| 4:56 am | | 74 °F | Passing clouds. | 5 mph | ↑ | 85% | 30.06 "Hg | 10 mi |
| 5:56 am | | 73 °F | Passing clouds. | 6 mph | ↑ | 88% | 30.08 "Hg | 10 mi |
| 6:56 am | | 72 °F | Passing clouds. | 5 mph | ↑ | 91% | 30.09 "Hg | 10 mi |
| 7:56 am |  | 73 °F | Broken clouds. | 6 mph | ↑ | 88% | 30.11 "Hg | 10 mi |
| 8:56 am | | 75 °F | Mostly cloudy. | 5 mph | ↑ | 82% | 30.14 "Hg | 10 mi |
| 9:56 am | | 76 °F | Broken clouds. | 6 mph | ↑ | 85% | 30.16 "Hg | 10 mi |
| 10:56 am | | 78 °F | Broken clouds. | 8 mph | ↑ | 76% | 30.16 "Hg | 10 mi |
| 11:56 am | | 81 °F | Partly sunny. | 12 mph | ↑ | 72% | 30.17 "Hg | 10 mi |
| 12:56 pm | | 83 °F | Broken clouds. | 6 mph | ↑ | 68% | 30.17 "Hg | 10 mi |
| 1:56 pm | | 86 °F | Broken clouds. | 10 mph | ↑ | 59% | 30.14 "Hg | 10 mi |
| 2:56 pm | | 87 °F | Broken clouds. | 13 mph | ↑ | 55% | 30.13 "Hg | 10 mi |
| 3:56 pm | | 87 °F | Partly sunny. | 10 mph | ↑ | 57% | 30.11 "Hg | 10 mi |
| 4:56 pm | | 88 °F | Broken clouds. | 6 mph | ↑ | 55% | 30.10 "Hg | 10 mi |
| 5:56 pm | | 88 °F | Partly sunny. | 10 mph | ↑ | 55% | 30.09 "Hg | 10 mi |
| 6:56 pm |  | 86 °F | Scattered clouds. | 9 mph | ↑ | 57% | 30.08 "Hg | 10 mi |
| 7:56 pm | | 85 °F | Scattered clouds. | 9 mph | ↑ | 59% | 30.07 "Hg | 10 mi |
| 8:56 pm | | 84 °F | Passing clouds. | 10 mph | ↑ | 61% | 30.07 "Hg | 10 mi |
| 9:56 pm | | 81 °F | Passing clouds. | 9 mph | ↑ | 69% | 30.09 "Hg | 10 mi |
| 10:56 pm | | 79 °F | Passing clouds. | 6 mph | ↑ | 77% | 30.10 "Hg | 10 mi |
| 11:56 pm | | 78 °F | Passing clouds. | 8 mph | ↑ | 79% | 30.09 "Hg | 10 mi |
| Weather by CustomWeather, © 2025 | ||||||||