Currently: 40 °F. Clear. (Weather station: Portland - Portland International Jetport, USA). See more current weatherSeptember 2016 Weather in Portland — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
38
43
48
53
58
63
68
73
78
83
88
Thu, Sep 1
Lo:66
12 am
Hi:70
2
Lo:64
6 am
Hi:81
4
Lo:70
12 pm
Hi:79
7
Lo:70
6 pm
Hi:73
8
Fri, Sep 2
Lo:63
12 am
Hi:68
8
Lo:63
6 am
Hi:72
9
Lo:68
12 pm
Hi:73
7
Lo:61
6 pm
Hi:66
3
Sat, Sep 3
Lo:54
12 am
Hi:59
2
Lo:54
6 am
Hi:73
5
Lo:68
12 pm
Hi:75
7
Lo:57
6 pm
Hi:66
1
Sun, Sep 4
Lo:52
12 am
Hi:57
2
Lo:52
6 am
Hi:73
4
Lo:70
12 pm
Hi:73
7
Lo:57
6 pm
Hi:64
1
Mon, Sep 5
Lo:52
12 am
Hi:55
2
Lo:54
6 am
Hi:66
4
Lo:70
12 pm
Hi:73
9
Lo:64
6 pm
Hi:66
7
Tue, Sep 6
Lo:63
12 am
Hi:64
9
Lo:63
6 am
Hi:70
7
Lo:66
12 pm
Hi:70
4
Lo:64
6 pm
Hi:66
4
Wed, Sep 7
Lo:63
12 am
Hi:64
2
Lo:64
6 am
Hi:70
6
Lo:66
12 pm
Hi:72
7
Lo:66
6 pm
Hi:66
4
Thu, Sep 8
Lo:64
12 am
Hi:68
3
Lo:66
6 am
Hi:72
4
Lo:70
12 pm
Hi:75
9
Lo:66
6 pm
Hi:70
5
Fri, Sep 9
Lo:66
12 am
Hi:66
2
Lo:66
6 am
Hi:88
0
Lo:86
12 pm
Hi:90
7
Lo:66
6 pm
Hi:84
4
Sat, Sep 10
Lo:61
12 am
Hi:63
1
Lo:63
6 am
Hi:79
3
Lo:72
12 pm
Hi:79
8
Lo:66
6 pm
Hi:70
7
Sun, Sep 11
Lo:66
12 am
Hi:68
4
Lo:70
6 am
Hi:73
11
Lo:72
12 pm
Hi:81
14
Lo:54
6 pm
Hi:70
5
Mon, Sep 12
Lo:46
12 am
Hi:54
2
Lo:48
6 am
Hi:70
2
Lo:66
12 pm
Hi:73
10
Lo:57
6 pm
Hi:64
6
Tue, Sep 13
Lo:50
12 am
Hi:54
1
Lo:52
6 am
Hi:77
4
Lo:72
12 pm
Hi:79
11
Lo:63
6 pm
Hi:70
6
Wed, Sep 14
Lo:63
12 am
Hi:66
7
Lo:63
6 am
Hi:82
9
Lo:73
12 pm
Hi:82
14
Lo:59
6 pm
Hi:70
14
Thu, Sep 15
Lo:52
12 am
Hi:57
5
Lo:52
6 am
Hi:64
7
Lo:63
12 pm
Hi:68
9
Lo:50
6 pm
Hi:59
2
Fri, Sep 16
Lo:46
12 am
Hi:50
2
Lo:45
6 am
Hi:66
7
Lo:63
12 pm
Hi:68
14
Lo:61
6 pm
Hi:63
8
Sat, Sep 17
Lo:54
12 am
Hi:59
5
Lo:54
6 am
Hi:70
7
Lo:66
12 pm
Hi:70
14
Lo:63
6 pm
Hi:64
9
Sun, Sep 18
Lo:63
12 am
Hi:64
6
Lo:63
6 am
Hi:70
7
Lo:72
12 pm
Hi:75
9
Lo:66
6 pm
Hi:73
2
Mon, Sep 19
Lo:64
12 am
Hi:66
4
Lo:66
6 am
Hi:72
2
Lo:70
12 pm
Hi:72
2
Lo:64
6 pm
Hi:70
2
Tue, Sep 20
Lo:64
12 am
Hi:64
1
Lo:64
6 am
Hi:73
4
Lo:70
12 pm
Hi:75
10
Lo:66
6 pm
Hi:68
4
Wed, Sep 21
Lo:61
12 am
Hi:66
4
Lo:61
6 am
Hi:81
9
Lo:79
12 pm
Hi:82
6
Lo:61
6 pm
Hi:73
5
Thu, Sep 22
Lo:59
12 am
Hi:64
4
Lo:59
6 am
Hi:79
2
Lo:70
12 pm
Hi:81
9
Lo:63
6 pm
Hi:68
5
Fri, Sep 23
Lo:66
12 am
Hi:66
7
Lo:64
6 am
Hi:68
4
Lo:63
12 pm
Hi:73
11
Lo:50
6 pm
Hi:61
9
Sat, Sep 24
Lo:45
12 am
Hi:50
2
Lo:45
6 am
Hi:64
9
Lo:61
12 pm
Hi:66
15
Lo:50
6 pm
Hi:57
7
Sun, Sep 25
Lo:43
12 am
Hi:50
7
Lo:46
6 am
Hi:61
12
Lo:59
12 pm
Hi:63
17
Lo:46
6 pm
Hi:55
7
Mon, Sep 26
Lo:39
12 am
Hi:45
6
Lo:41
6 am
Hi:61
6
Lo:55
12 pm
Hi:63
8
Lo:54
6 pm
Hi:57
6
Tue, Sep 27
Lo:55
12 am
Hi:57
5
Lo:55
6 am
Hi:63
4
Lo:64
12 pm
Hi:72
4
Lo:55
6 pm
Hi:61
4
Wed, Sep 28
Lo:55
12 am
Hi:57
10
Lo:54
6 am
Hi:55
12
Lo:55
12 pm
Hi:61
7
Lo:55
6 pm
Hi:55
8
Thu, Sep 29
Lo:46
12 am
Hi:54
9
Lo:46
6 am
Hi:61
12
Lo:57
12 pm
Hi:64
9
Lo:46
6 pm
Hi:55
2
Fri, Sep 30
Lo:45
12 am
Hi:46
4
Lo:45
6 am
Hi:57
8
Lo:55
12 pm
Hi:59
10
Lo:52
6 pm
Hi:54
6
Thursday, September 1, 2016, 12:00 am — 6:00 am
70 / 66 °F
Passing clouds.
Humidity: 81%
Barometer: 29.8 "Hg
SSW
Wind: 1.864 mph
High & Low Weather Summary for September 2016
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 90 °F (Sep 9, 12:51 pm) | 100% (Sep 7, 2:51 am) | 30.55 "Hg (Sep 7, 2:51 am) |
| Low | 39 °F (Sep 26, 4:51 am) | 24% (Sep 21, 3:51 pm) | 29.75 "Hg (Sep 9, 3:59 am) |
| Average | 64 °F | 73% | 30.11 "Hg |
| * Reported Sep 1 12:51 am — Sep 30 11:51 pm, Portland. 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
Portland Weather History for September 1, 2016
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 12:51 am Thu, Sep 1 |  | 69 °F | Passing clouds. | No wind | ↑ | 76% | 29.82 "Hg | 10 mi |
| 1:51 am | | 67 °F | Clear. | No wind | ↑ | 81% | 29.80 "Hg | 10 mi |
| 2:51 am | | 67 °F | Passing clouds. | 5 mph | ↑ | 81% | 29.79 "Hg | 10 mi |
| 3:51 am | | 66 °F | Passing clouds. | No wind | ↑ | 84% | 29.78 "Hg | 10 mi |
| 4:51 am | | 67 °F | Passing clouds. | 3 mph | ↑ | 81% | 29.79 "Hg | 10 mi |
| 5:51 am |  | 66 °F | Mostly cloudy. | 3 mph | ↑ | 84% | 29.79 "Hg | 10 mi |
| 6:51 am | | 65 °F | Overcast. | No wind | ↑ | 87% | 29.81 "Hg | 10 mi |
| 7:51 am |  | 67 °F | Broken clouds. | No wind | ↑ | 85% | 29.82 "Hg | 10 mi |
| 8:51 am | | 73 °F | Broken clouds. | 3 mph | ↑ | 71% | 29.82 "Hg | 10 mi |
| 9:51 am |  | 76 °F | Scattered clouds. | 6 mph | ↑ | 64% | 29.83 "Hg | 10 mi |
| 10:51 am | | 77 °F | Broken clouds. | 6 mph | ↑ | 56% | 29.83 "Hg | 10 mi |
| 11:51 am | | 81 °F | Broken clouds. | 6 mph | ↑ | 53% | 29.82 "Hg | 10 mi |
| 12:51 pm | | 79 °F | Broken clouds. | 9 mph | ↑ | 54% | 29.82 "Hg | 10 mi |
| 1:51 pm | | 76 °F | Broken clouds. | 7 mph | ↑ | 58% | 29.82 "Hg | 10 mi |
| 2:51 pm |  | 69 °F | Light rain. Fog. | 12 mph | ↑ | 90% | 29.83 "Hg | 6 mi |
| 3:51 pm | | 73 °F | Broken clouds. | 8 mph | ↑ | 79% | 29.83 "Hg | 10 mi |
| 4:51 pm | | 76 °F | Scattered clouds. | 3 mph | ↑ | 62% | 29.83 "Hg | 10 mi |
| 5:51 pm | | 75 °F | Scattered clouds. | 3 mph | ↑ | 71% | 29.83 "Hg | 10 mi |
| 6:51 pm | | 73 °F | Scattered clouds. | 6 mph | ↑ | 74% | 29.84 "Hg | 10 mi |
| 7:51 pm | | 73 °F | Broken clouds. | 6 mph | ↑ | 64% | 29.86 "Hg | 10 mi |
| 8:51 pm | | 73 °F | Mostly cloudy. | 6 mph | ↑ | 51% | 29.89 "Hg | 10 mi |
| 9:51 pm | | 72 °F | Passing clouds. | 12 mph | ↑ | 49% | 29.90 "Hg | 10 mi |
| 10:51 pm | | 71 °F | Passing clouds. | 10 mph | ↑ | 49% | 29.91 "Hg | 10 mi |
| 11:51 pm | | 69 °F | Passing clouds. | 9 mph | ↑ | 55% | 29.92 "Hg | 10 mi |
| Weather by CustomWeather, © 2025 | ||||||||