Currently: 54 °F. Scattered showers. Broken clouds. (Weather station: Calgary International, Canada). See more current weatherSeptember 2018 Weather in Calgary — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
25
30
35
40
45
50
55
60
65
70
75
80
Sat, Sep 1
Lo:50
12 am
Hi:61
7
Lo:45
6 am
Hi:55
13
Lo:55
12 pm
Hi:61
9
Lo:50
6 pm
Hi:59
6
Sun, Sep 2
Lo:43
12 am
Hi:50
6
Lo:41
6 am
Hi:59
2
Lo:59
12 pm
Hi:70
7
Lo:55
6 pm
Hi:70
9
Mon, Sep 3
Lo:50
12 am
Hi:55
10
Lo:45
6 am
Hi:50
18
Lo:45
12 pm
Hi:57
12
Lo:46
6 pm
Hi:57
13
Tue, Sep 4
Lo:43
12 am
Hi:46
7
Lo:41
6 am
Hi:46
7
Lo:46
12 pm
Hi:57
9
Lo:43
6 pm
Hi:57
9
Wed, Sep 5
Lo:41
12 am
Hi:45
7
Lo:39
6 am
Hi:59
6
Lo:59
12 pm
Hi:68
10
Lo:54
6 pm
Hi:68
9
Thu, Sep 6
Lo:41
12 am
Hi:54
2
Lo:41
6 am
Hi:66
2
Lo:66
12 pm
Hi:77
9
Lo:59
6 pm
Hi:75
11
Fri, Sep 7
Lo:48
12 am
Hi:59
4
Lo:46
6 am
Hi:73
5
Lo:73
12 pm
Hi:81
5
Lo:57
6 pm
Hi:81
4
Sat, Sep 8
Lo:52
12 am
Hi:57
2
Lo:52
6 am
Hi:72
9
Lo:68
12 pm
Hi:72
16
Lo:54
6 pm
Hi:70
10
Sun, Sep 9
Lo:52
12 am
Hi:54
4
Lo:48
6 am
Hi:52
5
Lo:52
12 pm
Hi:59
6
Lo:54
6 pm
Hi:57
8
Mon, Sep 10
Lo:43
12 am
Hi:54
11
Lo:43
6 am
Hi:61
3
Lo:50
12 pm
Hi:64
10
Lo:46
6 pm
Hi:54
7
Tue, Sep 11
Lo:41
12 am
Hi:48
4
Lo:41
6 am
Hi:57
4
Lo:54
12 pm
Hi:63
7
Lo:45
6 pm
Hi:63
9
Wed, Sep 12
Lo:41
12 am
Hi:45
9
Lo:41
6 am
Hi:46
12
Lo:39
12 pm
Hi:45
16
Lo:32
6 pm
Hi:39
14
Thu, Sep 13
Lo:28
12 am
Hi:32
11
Lo:28
6 am
Hi:32
9
Lo:32
12 pm
Hi:36
7
Lo:30
6 pm
Hi:34
9
Fri, Sep 14
Lo:28
12 am
Hi:30
6
Lo:28
6 am
Hi:32
7
Lo:32
12 pm
Hi:39
9
Lo:39
6 pm
Hi:39
8
Sat, Sep 15
Lo:37
12 am
Hi:39
8
Lo:37
6 am
Hi:39
4
Lo:39
12 pm
Hi:41
12
Lo:36
6 pm
Hi:39
12
Sun, Sep 16
Lo:34
12 am
Hi:36
9
Lo:34
6 am
Hi:37
6
Lo:37
12 pm
Hi:41
6
Lo:37
6 pm
Hi:39
7
Mon, Sep 17
Lo:36
12 am
Hi:37
6
Lo:36
6 am
Hi:41
4
Lo:41
12 pm
Hi:54
5
Lo:39
6 pm
Hi:54
9
Tue, Sep 18
Lo:37
12 am
Hi:39
6
Lo:37
6 am
Hi:41
6
Lo:41
12 pm
Hi:45
5
Lo:41
6 pm
Hi:43
6
Wed, Sep 19
Lo:39
12 am
Hi:41
5
Lo:39
6 am
Hi:45
6
Lo:45
12 pm
Hi:50
9
Lo:39
6 pm
Hi:48
8
Thu, Sep 20
Lo:34
12 am
Hi:41
4
Lo:34
6 am
Hi:46
6
Lo:46
12 pm
Hi:48
12
Lo:43
6 pm
Hi:48
10
Fri, Sep 21
Lo:41
12 am
Hi:43
9
Lo:37
6 am
Hi:41
8
Lo:37
12 pm
Hi:39
12
Lo:32
6 pm
Hi:37
11
Sat, Sep 22
Lo:30
12 am
Hi:32
8
Lo:28
6 am
Hi:32
7
Lo:32
12 pm
Hi:34
6
Lo:32
6 pm
Hi:34
8
Sun, Sep 23
Lo:32
12 am
Hi:34
7
Lo:34
6 am
Hi:39
4
Lo:39
12 pm
Hi:43
2
Lo:41
6 pm
Hi:43
3
Mon, Sep 24
Lo:39
12 am
Hi:41
4
Lo:41
6 am
Hi:48
6
Lo:46
12 pm
Hi:54
17
Lo:45
6 pm
Hi:46
10
Tue, Sep 25
Lo:41
12 am
Hi:45
4
Lo:43
6 am
Hi:54
6
Lo:54
12 pm
Hi:63
7
Lo:54
6 pm
Hi:63
12
Wed, Sep 26
Lo:48
12 am
Hi:54
9
Lo:48
6 am
Hi:55
6
Lo:52
12 pm
Hi:57
9
Lo:41
6 pm
Hi:52
11
Thu, Sep 27
Lo:39
12 am
Hi:41
11
Lo:36
6 am
Hi:39
9
Lo:37
12 pm
Hi:41
6
Lo:34
6 pm
Hi:41
4
Fri, Sep 28
Lo:34
12 am
Hi:36
2
Lo:34
6 am
Hi:41
4
Lo:41
12 pm
Hi:45
7
Lo:34
6 pm
Hi:43
9
Sat, Sep 29
Lo:32
12 am
Hi:36
9
Lo:32
6 am
Hi:36
12
Lo:36
12 pm
Hi:36
10
Lo:30
6 pm
Hi:36
7
Sun, Sep 30
Lo:27
12 am
Hi:30
11
Lo:27
6 am
Hi:28
14
Lo:28
12 pm
Hi:32
15
Lo:28
6 pm
Hi:30
13
Saturday, September 1, 2018, 12:00 am — 6:00 am
61 / 50 °F
Passing clouds.
Humidity: 49%
Barometer: 29.72 "Hg
S
Wind: 7.457 mph
High & Low Weather Summary for September 2018
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 81 °F (Sep 7, 3:00 pm) | 100% (Sep 14, 1:32 pm) | 30.47 "Hg (Sep 14, 1:32 pm) |
| Low | 27 °F (Sep 30, 6:00 am) | 20% (Sep 7, 1:00 pm) | 29.68 "Hg (Sep 1, 5:00 am) |
| Average | 44 °F | 76% | 30.13 "Hg |
| * Reported Sep 1 12:00 am — Sep 30 11:00 pm, Calgary. 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
Calgary Weather History for September 1, 2018
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 12:00 am Sat, Sep 1 |  | 61 °F | Passing clouds. | 7 mph | ↑ | 34% | 29.75 "Hg | 15 mi |
| 1:00 am | | 55 °F | Passing clouds. | 8 mph | ↑ | 47% | 29.75 "Hg | 15 mi |
| 2:00 am | | 57 °F | Passing clouds. | 3 mph | ↑ | 44% | 29.71 "Hg | 15 mi |
| 3:00 am | | 55 °F | Passing clouds. | 5 mph | ↑ | 47% | 29.69 "Hg | 15 mi |
| 4:00 am |  | 52 °F | Partly cloudy. | 6 mph | ↑ | 58% | 29.69 "Hg | 15 mi |
| 5:00 am | | 57 °F | Passing clouds. | 5 mph | ↑ | 41% | 29.68 "Hg | 15 mi |
| 6:00 am | | 50 °F | Passing clouds. | 18 mph | ↑ | 71% | 29.78 "Hg | 15 mi |
| 7:00 am |  | 48 °F | Mostly cloudy. | 15 mph | ↑ | 82% | 29.82 "Hg | 15 mi |
| 7:17 am |  | 48 °F | Light rain. Partly sunny. | 10 mph | ↑ | 87% | 29.84 "Hg | 6 mi |
| 8:00 am | | 48 °F | Light rain. More clouds than sun. | 12 mph | ↑ | 87% | 29.89 "Hg | 5 mi |
| 8:50 am | | 45 °F | Broken clouds. | 17 mph | ↑ | 87% | 29.92 "Hg | 7 mi |
| 9:00 am | | 45 °F | Partly sunny. | 18 mph | ↑ | 87% | 29.93 "Hg | 8 mi |
| 10:00 am | | 46 °F | Light rain. Broken clouds. | 9 mph | ↑ | 76% | 29.94 "Hg | 10 mi |
| 10:25 am | | 48 °F | Broken clouds. | 8 mph | ↑ | 76% | 29.94 "Hg | 8 mi |
| 11:00 am | | 48 °F | Broken clouds. | 6 mph | ↑ | 76% | 29.96 "Hg | 8 mi |
| 12:00 pm |  | 55 °F | Scattered clouds. | 15 mph | ↑ | 55% | 29.94 "Hg | 10 mi |
| 1:00 pm | | 59 °F | Partly sunny. | 9 mph | ↑ | 42% | 29.94 "Hg | 10 mi |
| 2:00 pm | | 61 °F | Broken clouds. | 10 mph | ↑ | 39% | 29.93 "Hg | 15 mi |
| 3:00 pm | | 59 °F | Broken clouds. | 12 mph | ↑ | 42% | 29.95 "Hg | 15 mi |
| 4:00 pm | | 61 °F | Broken clouds. | 9 mph | ↑ | 36% | 29.95 "Hg | 15 mi |
| 5:00 pm | | 59 °F | Scattered clouds. | 5 mph | ↑ | 42% | 29.94 "Hg | 15 mi |
| 6:00 pm | | 59 °F | Partly sunny. | 6 mph | ↑ | 39% | 29.96 "Hg | 15 mi |
| 7:00 pm | | 57 °F | Partly sunny. | 8 mph | ↑ | 48% | 29.98 "Hg | 15 mi |
| 8:00 pm | | 55 °F | Broken clouds. | 6 mph | ↑ | 51% | 30.00 "Hg | 15 mi |
| 9:00 pm | | 54 °F | Passing clouds. | 3 mph | ↑ | 58% | 30.04 "Hg | 15 mi |
| 9:35 pm | | 54 °F | Partly cloudy. | 5 mph | ↑ | 54% | 30.04 "Hg | 15 mi |
| 10:00 pm | | 54 °F | Partly cloudy. | 3 mph | ↑ | 51% | 30.05 "Hg | 15 mi |
| 11:00 pm | | 50 °F | Passing clouds. | 7 mph | ↑ | 54% | 30.06 "Hg | 15 mi |
| Weather by CustomWeather, © 2025 | ||||||||