September 2018 Weather in Galveston — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
72
74
76
78
80
82
84
86
88
90
92
Sat, Sep 1
Lo:81
12 am
Hi:82
7
Lo:81
6 am
Hi:84
9
Lo:88
12 pm
Hi:88
10
Lo:82
6 pm
Hi:84
11
Sun, Sep 2
Lo:79
12 am
Hi:82
5
Lo:79
6 am
Hi:81
7
Lo:79
12 pm
Hi:81
4
Lo:81
6 pm
Hi:81
7
Mon, Sep 3
Lo:81
12 am
Hi:82
13
Lo:75
6 am
Hi:79
9
Lo:75
12 pm
Hi:81
7
Lo:81
6 pm
Hi:82
11
Tue, Sep 4
Lo:81
12 am
Hi:82
11
Lo:81
6 am
Hi:84
12
Lo:82
12 pm
Hi:84
12
Lo:84
6 pm
Hi:84
11
Wed, Sep 5
Lo:82
12 am
Hi:82
8
Lo:79
6 am
Hi:84
7
Lo:82
12 pm
Hi:86
9
Lo:82
6 pm
Hi:84
9
Thu, Sep 6
Lo:81
12 am
Hi:82
1
Lo:79
6 am
Hi:84
7
Lo:81
12 pm
Hi:82
6
Lo:81
6 pm
Hi:82
6
Fri, Sep 7
Lo:81
12 am
Hi:82
2
Lo:81
6 am
Hi:84
6
Lo:86
12 pm
Hi:88
9
Lo:82
6 pm
Hi:84
9
Sat, Sep 8
Lo:81
12 am
Hi:82
6
Lo:81
6 am
Hi:88
7
Lo:88
12 pm
Hi:88
11
Lo:82
6 pm
Hi:86
7
Sun, Sep 9
Lo:81
12 am
Hi:82
5
Lo:81
6 am
Hi:88
4
Lo:82
12 pm
Hi:88
8
Lo:81
6 pm
Hi:82
5
Mon, Sep 10
Lo:81
12 am
Hi:81
5
Lo:75
6 am
Hi:82
6
Lo:75
12 pm
Hi:81
5
Lo:79
6 pm
Hi:81
11
Tue, Sep 11
Lo:75
12 am
Hi:82
12
Lo:75
6 am
Hi:81
7
Lo:81
12 pm
Hi:81
11
Lo:79
6 pm
Hi:82
9
Wed, Sep 12
Lo:82
12 am
Hi:82
9
Lo:75
6 am
Hi:81
9
Lo:79
12 pm
Hi:81
12
Lo:81
6 pm
Hi:82
12
Thu, Sep 13
Lo:79
12 am
Hi:81
12
Lo:75
6 am
Hi:79
11
Lo:81
12 pm
Hi:82
16
Lo:79
6 pm
Hi:82
12
Fri, Sep 14
Lo:79
12 am
Hi:81
11
Lo:75
6 am
Hi:79
7
Lo:79
12 pm
Hi:82
12
Lo:81
6 pm
Hi:82
11
Sat, Sep 15
Lo:82
12 am
Hi:82
9
Lo:82
6 am
Hi:86
12
Lo:84
12 pm
Hi:88
12
Lo:81
6 pm
Hi:82
4
Sun, Sep 16
Lo:79
12 am
Hi:81
2
Lo:79
6 am
Hi:86
3
Lo:86
12 pm
Hi:88
8
Lo:82
6 pm
Hi:84
6
Mon, Sep 17
Lo:81
12 am
Hi:82
6
Lo:81
6 am
Hi:90
6
Lo:88
12 pm
Hi:90
7
Lo:82
6 pm
Hi:88
7
Tue, Sep 18
Lo:82
12 am
Hi:82
5
Lo:81
6 am
Hi:90
6
Lo:90
12 pm
Hi:91
7
Lo:82
6 pm
Hi:88
6
Wed, Sep 19
Lo:81
12 am
Hi:82
3
Lo:81
6 am
Hi:88
3
Lo:88
12 pm
Hi:88
9
Lo:82
6 pm
Hi:84
0
Thu, Sep 20
Lo:82
12 am
Hi:82
0
Lo:82
6 am
Hi:90
9
Lo:88
12 pm
Hi:90
12
Lo:84
6 pm
Hi:84
14
Fri, Sep 21
Lo:84
12 am
Hi:84
14
Lo:84
6 am
Hi:90
12
Lo:82
12 pm
Hi:91
16
Lo:79
6 pm
Hi:84
14
Sat, Sep 22
Lo:82
12 am
Hi:84
15
Lo:79
6 am
Hi:84
12
Lo:79
12 pm
Hi:86
8
Lo:81
6 pm
Hi:82
12
Sun, Sep 23
Lo:77
12 am
Hi:82
9
Lo:75
6 am
Hi:81
5
Lo:82
12 pm
Hi:84
7
Lo:79
6 pm
Hi:82
7
Mon, Sep 24
Lo:75
12 am
Hi:79
1
Lo:75
6 am
Hi:84
3
Lo:84
12 pm
Hi:86
10
Lo:82
6 pm
Hi:82
11
Tue, Sep 25
Lo:82
12 am
Hi:82
11
Lo:79
6 am
Hi:84
8
Lo:81
12 pm
Hi:84
6
Lo:82
6 pm
Hi:82
11
Wed, Sep 26
Lo:75
12 am
Hi:84
9
Lo:75
6 am
Hi:86
4
Lo:81
12 pm
Hi:86
3
Lo:77
6 pm
Hi:82
6
Thu, Sep 27
Lo:79
12 am
Hi:79
4
Lo:79
6 am
Hi:81
12
Lo:81
12 pm
Hi:82
11
Lo:75
6 pm
Hi:79
9
Fri, Sep 28
Lo:73
12 am
Hi:75
10
Lo:75
6 am
Hi:81
10
Lo:81
12 pm
Hi:82
11
Lo:81
6 pm
Hi:81
9
Sat, Sep 29
Lo:81
12 am
Hi:82
8
Lo:73
6 am
Hi:81
12
Lo:77
12 pm
Hi:79
7
Lo:79
6 pm
Hi:81
11
Sun, Sep 30
Lo:77
12 am
Hi:79
9
Lo:77
6 am
Hi:82
12
Lo:81
12 pm
Hi:81
9
Lo:77
6 pm
Hi:81
6
Saturday, September 1, 2018, 12:00 am — 6:00 am
82 / 81 °F
Passing clouds.
Humidity: 82%
Barometer: 29.89 "Hg
SE
Wind: 7.457 mph
High & Low Weather Summary for September 2018
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 92 °F (Sep 18, 12:52 pm) | 100% (Sep 2, 11:01 am) | 30.15 "Hg (Sep 2, 11:01 am) |
| Low | 73 °F (Sep 29, 8:25 am) | 58% (Sep 18, 12:52 pm) | 29.81 "Hg (Sep 9, 3:52 pm) |
| Average | 81 °F | 86% | 29.96 "Hg |
| * Reported Sep 1 12:52 am — Sep 30 10:52 pm, Galveston. 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
Galveston Weather History for September 1, 2018
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 12:52 am Sat, Sep 1 |  | 83 °F | Passing clouds. | 7 mph | ↑ | 77% | 29.91 "Hg | 10 mi |
| 1:52 am | | 83 °F | Passing clouds. | 8 mph | ↑ | 77% | 29.90 "Hg | 10 mi |
| 2:52 am |  | 82 °F | Clear. | 7 mph | ↑ | 79% | 29.89 "Hg | 10 mi |
| 3:52 am | | 82 °F | Passing clouds. | 8 mph | ↑ | 82% | 29.88 "Hg | 10 mi |
| 4:52 am |  | 81 °F | Rain. Fog. | 8 mph | ↑ | 88% | 29.88 "Hg | 6 mi |
| 5:52 am | | 81 °F | Passing clouds. | 6 mph | ↑ | 88% | 29.89 "Hg | 10 mi |
| 6:29 am | | 81 °F | Passing clouds. | 14 mph | ↑ | 88% | 29.90 "Hg | 10 mi |
| 6:52 am | | 80 °F | Rain. Partly cloudy. | 10 mph | ↑ | 87% | 29.90 "Hg | 8 mi |
| 7:52 am |  | 80 °F | Broken clouds. | 14 mph | ↑ | 90% | 29.92 "Hg | 10 mi |
| 8:52 am | | 81 °F | Broken clouds. | 7 mph | ↑ | 88% | 29.92 "Hg | 10 mi |
| 9:52 am | | 82 °F | Mostly cloudy. | 7 mph | ↑ | 85% | 29.93 "Hg | 10 mi |
| 10:52 am |  | 83 °F | Scattered clouds. | 5 mph | ↑ | 79% | 29.93 "Hg | 10 mi |
| 11:52 am | | 85 °F | Scattered clouds. | 10 mph | ↑ | 80% | 29.93 "Hg | 10 mi |
| 12:52 pm | | 87 °F | Broken clouds. | 6 mph | ↑ | 69% | 29.92 "Hg | 10 mi |
| 1:52 pm | | 88 °F | Scattered clouds. | 9 mph | ↑ | 70% | 29.91 "Hg | 10 mi |
| 2:52 pm | | 88 °F | Scattered clouds. | 9 mph | ↑ | 70% | 29.88 "Hg | 10 mi |
| 3:52 pm | | 87 °F | Scattered clouds. | 12 mph | ↑ | 72% | 29.87 "Hg | 10 mi |
| 4:52 pm | | 88 °F | Passing clouds. | 12 mph | ↑ | 70% | 29.87 "Hg | 10 mi |
| 5:52 pm | | 87 °F | Scattered clouds. | 12 mph | ↑ | 72% | 29.88 "Hg | 10 mi |
| 6:52 pm |  | 85 °F | Overcast. | 12 mph | ↑ | 77% | 29.88 "Hg | 10 mi |
| 7:52 pm | | 84 °F | Passing clouds. | 14 mph | ↑ | 77% | 29.87 "Hg | 10 mi |
| 8:52 pm | | 84 °F | Passing clouds. | 12 mph | ↑ | 80% | 29.88 "Hg | 10 mi |
| 9:52 pm | | 84 °F | Passing clouds. | 9 mph | ↑ | 80% | 29.88 "Hg | 10 mi |
| 10:52 pm | | 83 °F | Clear. | 9 mph | ↑ | 82% | 29.90 "Hg | 10 mi |
| 11:52 pm | | 83 °F | Passing clouds. | 12 mph | ↑ | 82% | 29.91 "Hg | 10 mi |
| Weather by CustomWeather, © 2025 | ||||||||