Currently: 55 °F. Passing clouds. (Weather station: Bangor International Airport, USA). See more current weatherSeptember 2018 Weather in Bar Harbor — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
32
37
42
47
52
57
62
67
72
77
82
87
Sat, Sep 1
Lo:46
12 am
Hi:52
0
Lo:50
6 am
Hi:73
3
Lo:70
12 pm
Hi:73
12
Lo:61
6 pm
Hi:66
7
Sun, Sep 2
Lo:59
12 am
Hi:61
6
Lo:61
6 am
Hi:75
7
Lo:73
12 pm
Hi:79
12
Lo:66
6 pm
Hi:70
8
Mon, Sep 3
Lo:66
12 am
Hi:66
7
Lo:66
6 am
Hi:81
7
Lo:79
12 pm
Hi:88
9
Lo:72
6 pm
Hi:77
7
Tue, Sep 4
Lo:70
12 am
Hi:73
7
Lo:72
6 am
Hi:79
15
Lo:79
12 pm
Hi:81
7
Lo:59
6 pm
Hi:75
4
Wed, Sep 5
Lo:54
12 am
Hi:57
1
Lo:59
6 am
Hi:79
4
Lo:75
12 pm
Hi:82
13
Lo:68
6 pm
Hi:73
9
Thu, Sep 6
Lo:68
12 am
Hi:70
9
Lo:70
6 am
Hi:82
9
Lo:77
12 pm
Hi:82
11
Lo:59
6 pm
Hi:73
7
Fri, Sep 7
Lo:50
12 am
Hi:59
4
Lo:54
6 am
Hi:70
3
Lo:72
12 pm
Hi:73
6
Lo:57
6 pm
Hi:66
6
Sat, Sep 8
Lo:52
12 am
Hi:57
5
Lo:54
6 am
Hi:66
9
Lo:64
12 pm
Hi:68
12
Lo:52
6 pm
Hi:61
9
Sun, Sep 9
Lo:37
12 am
Hi:48
2
Lo:39
6 am
Hi:63
7
Lo:64
12 pm
Hi:66
8
Lo:43
6 pm
Hi:63
2
Mon, Sep 10
Lo:39
12 am
Hi:43
1
Lo:43
6 am
Hi:66
6
Lo:63
12 pm
Hi:66
11
Lo:54
6 pm
Hi:61
4
Tue, Sep 11
Lo:54
12 am
Hi:57
6
Lo:59
6 am
Hi:66
9
Lo:66
12 pm
Hi:66
6
Lo:61
6 pm
Hi:66
2
Wed, Sep 12
Lo:57
12 am
Hi:63
2
Lo:57
6 am
Hi:70
3
Lo:70
12 pm
Hi:72
3
Lo:57
6 pm
Hi:66
1
Thu, Sep 13
Lo:55
12 am
Hi:57
0
Lo:50
6 am
Hi:73
2
Lo:73
12 pm
Hi:81
1
Lo:57
6 pm
Hi:66
0
Fri, Sep 14
Lo:52
12 am
Hi:55
1
Lo:54
6 am
Hi:81
1
Lo:77
12 pm
Hi:81
8
Lo:61
6 pm
Hi:72
6
Sat, Sep 15
Lo:55
12 am
Hi:57
4
Lo:55
6 am
Hi:73
5
Lo:72
12 pm
Hi:79
9
Lo:61
6 pm
Hi:68
8
Sun, Sep 16
Lo:57
12 am
Hi:61
4
Lo:57
6 am
Hi:79
3
Lo:79
12 pm
Hi:82
5
Lo:66
6 pm
Hi:73
5
Mon, Sep 17
Lo:63
12 am
Hi:64
6
Lo:63
6 am
Hi:79
10
Lo:70
12 pm
Hi:82
14
Lo:66
6 pm
Hi:68
7
Tue, Sep 18
Lo:64
12 am
Hi:66
6
Lo:66
6 am
Hi:73
7
Lo:75
12 pm
Hi:79
5
Lo:55
6 pm
Hi:73
15
Wed, Sep 19
Lo:54
12 am
Hi:55
10
Lo:52
6 am
Hi:59
11
Lo:57
12 pm
Hi:61
11
Lo:55
6 pm
Hi:57
7
Thu, Sep 20
Lo:48
12 am
Hi:54
7
Lo:48
6 am
Hi:57
4
Lo:61
12 pm
Hi:63
4
Lo:55
6 pm
Hi:59
5
Fri, Sep 21
Lo:52
12 am
Hi:55
2
Lo:52
6 am
Hi:61
9
Lo:55
12 pm
Hi:63
15
Lo:59
6 pm
Hi:64
19
Sat, Sep 22
Lo:64
12 am
Hi:66
12
Lo:61
6 am
Hi:64
19
Lo:55
12 pm
Hi:63
14
Lo:46
6 pm
Hi:55
7
Sun, Sep 23
Lo:37
12 am
Hi:43
0
Lo:37
6 am
Hi:63
5
Lo:63
12 pm
Hi:66
7
Lo:48
6 pm
Hi:57
8
Mon, Sep 24
Lo:41
12 am
Hi:48
11
Lo:39
6 am
Hi:54
9
Lo:54
12 pm
Hi:57
6
Lo:37
6 pm
Hi:46
1
Tue, Sep 25
Lo:34
12 am
Hi:36
0
Lo:34
6 am
Hi:57
4
Lo:55
12 pm
Hi:61
12
Lo:55
6 pm
Hi:59
10
Wed, Sep 26
Lo:59
12 am
Hi:64
10
Lo:64
6 am
Hi:70
11
Lo:70
12 pm
Hi:72
14
Lo:68
6 pm
Hi:70
11
Thu, Sep 27
Lo:55
12 am
Hi:66
7
Lo:54
6 am
Hi:63
9
Lo:63
12 pm
Hi:66
9
Lo:54
6 pm
Hi:57
2
Fri, Sep 28
Lo:52
12 am
Hi:54
4
Lo:52
6 am
Hi:54
8
Lo:54
12 pm
Hi:59
4
Lo:45
6 pm
Hi:52
1
Sat, Sep 29
Lo:45
12 am
Hi:46
4
Lo:46
6 am
Hi:63
5
Lo:59
12 pm
Hi:64
10
Lo:43
6 pm
Hi:52
0
Sun, Sep 30
Lo:41
12 am
Hi:45
1
Lo:43
6 am
Hi:61
0
Lo:61
12 pm
Hi:63
4
Lo:48
6 pm
Hi:54
4
Saturday, September 1, 2018, 12:00 am — 6:00 am
52 / 46 °F
Clear.
Humidity: 97%
Barometer: 30.38 "Hg
N
Wind: 0 mph
High & Low Weather Summary for September 2018
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 88 °F (Sep 3, 2:53 pm) | 100% (Sep 1, 3:12 am) | 30.68 "Hg (Sep 1, 3:12 am) |
| Low | 34 °F (Sep 25, 2:53 am) | 21% (Sep 24, 3:53 pm) | 29.67 "Hg (Sep 18, 4:53 pm) |
| Average | 61 °F | 78% | 30.18 "Hg |
| * Reported Sep 1 12:53 am — Sep 30 11:53 pm, Bar Harbor. 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
Bar Harbor Weather History for September 1, 2018
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 12:53 am Sat, Sep 1 |  | 52 °F | Clear. | No wind | ↑ | 93% | 30.37 "Hg | 10 mi |
| 1:53 am | | 50 °F | Clear. | No wind | ↑ | 96% | 30.37 "Hg | 10 mi |
| 2:53 am | | 49 °F | Clear. | No wind | ↑ | 97% | 30.38 "Hg | 10 mi |
| 3:12 am | | 49 °F | Clear. | No wind | ↑ | 100% | 30.39 "Hg | 10 mi |
| 3:53 am | | 49 °F | Clear. | No wind | ↑ | 97% | 30.38 "Hg | 10 mi |
| 4:53 am | | 47 °F | Clear. | No wind | ↑ | 100% | 30.37 "Hg | 10 mi |
| 5:53 am |  | 47 °F | Passing clouds. | No wind | ↑ | 97% | 30.38 "Hg | 10 mi |
| 6:53 am |  | 50 °F | Light fog. | 3 mph | ↑ | 96% | 30.39 "Hg | 10 mi |
| 7:53 am | | 56 °F | Passing clouds. | No wind | ↑ | 84% | 30.40 "Hg | 10 mi |
| 8:53 am | | 63 °F | Passing clouds. | 3 mph | ↑ | 68% | 30.39 "Hg | 10 mi |
| 9:53 am | | 66 °F | Passing clouds. | 3 mph | ↑ | 54% | 30.39 "Hg | 10 mi |
| 10:53 am | | 69 °F | Passing clouds. | No wind | ↑ | 51% | 30.37 "Hg | 10 mi |
| 11:53 am | | 73 °F | Passing clouds. | 9 mph | ↑ | 46% | 30.36 "Hg | 10 mi |
| 12:53 pm | | 73 °F | Passing clouds. | 9 mph | ↑ | 46% | 30.34 "Hg | 10 mi |
| 1:53 pm | | 74 °F | Passing clouds. | 15 mph | ↑ | 43% | 30.34 "Hg | 10 mi |
| 2:53 pm | | 74 °F | Passing clouds. | 13 mph | ↑ | 43% | 30.32 "Hg | 10 mi |
| 3:53 pm | | 74 °F | Passing clouds. | 14 mph | ↑ | 43% | 30.32 "Hg | 10 mi |
| 4:53 pm |  | 71 °F | Broken clouds. | 12 mph | ↑ | 53% | 30.31 "Hg | 10 mi |
| 5:53 pm | | 70 °F | Broken clouds. | 12 mph | ↑ | 61% | 30.29 "Hg | 10 mi |
| 6:53 pm | | 66 °F | Broken clouds. | 14 mph | ↑ | 70% | 30.27 "Hg | 10 mi |
| 7:53 pm | | 64 °F | Passing clouds. | 9 mph | ↑ | 78% | 30.28 "Hg | 10 mi |
| 8:53 pm | | 63 °F | Passing clouds. | 7 mph | ↑ | 81% | 30.28 "Hg | 10 mi |
| 9:53 pm | | 62 °F | Passing clouds. | 6 mph | ↑ | 86% | 30.28 "Hg | 10 mi |
| 10:53 pm | | 61 °F | Clear. | 5 mph | ↑ | 90% | 30.26 "Hg | 9 mi |
| 11:53 pm | | 60 °F | Clear. | 5 mph | ↑ | 93% | 30.27 "Hg | 10 mi |
| Weather by CustomWeather, © 2025 | ||||||||