Currently: 90 °F. Broken clouds. (Weather station: Phoenix Sky Harbor International Airport, USA). See more current weatherSeptember 2018 Weather in Phoenix — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
72
75
78
81
84
87
90
93
96
99
102
105
108
Sat, Sep 1
Lo:88
12 am
Hi:95
6
Lo:88
6 am
Hi:100
7
Lo:99
12 pm
Hi:102
8
Lo:93
6 pm
Hi:100
10
Sun, Sep 2
Lo:82
12 am
Hi:91
7
Lo:82
6 am
Hi:95
11
Lo:95
12 pm
Hi:100
9
Lo:82
6 pm
Hi:93
12
Mon, Sep 3
Lo:75
12 am
Hi:81
13
Lo:77
6 am
Hi:91
4
Lo:91
12 pm
Hi:97
5
Lo:86
6 pm
Hi:95
8
Tue, Sep 4
Lo:81
12 am
Hi:84
7
Lo:81
6 am
Hi:93
7
Lo:97
12 pm
Hi:100
5
Lo:90
6 pm
Hi:97
6
Wed, Sep 5
Lo:82
12 am
Hi:88
4
Lo:82
6 am
Hi:97
6
Lo:99
12 pm
Hi:100
6
Lo:88
6 pm
Hi:99
3
Thu, Sep 6
Lo:82
12 am
Hi:86
6
Lo:82
6 am
Hi:99
7
Lo:100
12 pm
Hi:104
5
Lo:91
6 pm
Hi:100
5
Fri, Sep 7
Lo:84
12 am
Hi:90
8
Lo:84
6 am
Hi:100
9
Lo:100
12 pm
Hi:106
2
Lo:93
6 pm
Hi:102
2
Sat, Sep 8
Lo:84
12 am
Hi:90
7
Lo:84
6 am
Hi:102
9
Lo:104
12 pm
Hi:108
7
Lo:97
6 pm
Hi:104
2
Sun, Sep 9
Lo:84
12 am
Hi:95
7
Lo:84
6 am
Hi:99
4
Lo:100
12 pm
Hi:106
9
Lo:95
6 pm
Hi:102
7
Mon, Sep 10
Lo:86
12 am
Hi:93
7
Lo:86
6 am
Hi:99
7
Lo:100
12 pm
Hi:106
10
Lo:91
6 pm
Hi:100
6
Tue, Sep 11
Lo:82
12 am
Hi:91
6
Lo:82
6 am
Hi:100
7
Lo:104
12 pm
Hi:108
7
Lo:93
6 pm
Hi:104
7
Wed, Sep 12
Lo:82
12 am
Hi:90
6
Lo:82
6 am
Hi:100
8
Lo:102
12 pm
Hi:106
8
Lo:88
6 pm
Hi:100
8
Thu, Sep 13
Lo:77
12 am
Hi:88
5
Lo:79
6 am
Hi:99
7
Lo:102
12 pm
Hi:106
4
Lo:90
6 pm
Hi:100
4
Fri, Sep 14
Lo:79
12 am
Hi:88
2
Lo:79
6 am
Hi:100
6
Lo:102
12 pm
Hi:108
7
Lo:90
6 pm
Hi:102
6
Sat, Sep 15
Lo:81
12 am
Hi:90
4
Lo:84
6 am
Hi:102
6
Lo:106
12 pm
Hi:108
7
Lo:93
6 pm
Hi:106
11
Sun, Sep 16
Lo:88
12 am
Hi:93
6
Lo:86
6 am
Hi:99
4
Lo:99
12 pm
Hi:102
4
Lo:93
6 pm
Hi:100
8
Mon, Sep 17
Lo:86
12 am
Hi:91
4
Lo:88
6 am
Hi:100
3
Lo:104
12 pm
Hi:106
7
Lo:95
6 pm
Hi:102
7
Tue, Sep 18
Lo:86
12 am
Hi:93
6
Lo:84
6 am
Hi:99
7
Lo:100
12 pm
Hi:102
10
Lo:93
6 pm
Hi:100
9
Wed, Sep 19
Lo:86
12 am
Hi:91
11
Lo:82
6 am
Hi:88
13
Lo:75
12 pm
Hi:81
6
Lo:75
6 pm
Hi:77
4
Thu, Sep 20
Lo:73
12 am
Hi:75
1
Lo:75
6 am
Hi:86
2
Lo:91
12 pm
Hi:97
8
Lo:82
6 pm
Hi:93
5
Fri, Sep 21
Lo:79
12 am
Hi:82
7
Lo:79
6 am
Hi:93
4
Lo:95
12 pm
Hi:100
6
Lo:88
6 pm
Hi:97
4
Sat, Sep 22
Lo:82
12 am
Hi:84
7
Lo:82
6 am
Hi:99
7
Lo:99
12 pm
Hi:100
4
Lo:88
6 pm
Hi:99
6
Sun, Sep 23
Lo:81
12 am
Hi:86
6
Lo:81
6 am
Hi:99
9
Lo:100
12 pm
Hi:102
9
Lo:86
6 pm
Hi:97
4
Mon, Sep 24
Lo:82
12 am
Hi:84
6
Lo:82
6 am
Hi:99
6
Lo:97
12 pm
Hi:100
5
Lo:90
6 pm
Hi:97
8
Tue, Sep 25
Lo:81
12 am
Hi:88
2
Lo:81
6 am
Hi:95
4
Lo:97
12 pm
Hi:100
5
Lo:88
6 pm
Hi:97
6
Wed, Sep 26
Lo:79
12 am
Hi:88
4
Lo:79
6 am
Hi:97
4
Lo:99
12 pm
Hi:102
7
Lo:86
6 pm
Hi:97
3
Thu, Sep 27
Lo:79
12 am
Hi:84
4
Lo:79
6 am
Hi:97
7
Lo:99
12 pm
Hi:102
6
Lo:84
6 pm
Hi:99
2
Fri, Sep 28
Lo:79
12 am
Hi:84
5
Lo:77
6 am
Hi:97
6
Lo:99
12 pm
Hi:102
6
Lo:90
6 pm
Hi:99
3
Sat, Sep 29
Lo:81
12 am
Hi:90
4
Lo:79
6 am
Hi:99
9
Lo:99
12 pm
Hi:100
6
Lo:88
6 pm
Hi:99
6
Sun, Sep 30
Lo:81
12 am
Hi:88
3
Lo:81
6 am
Hi:93
3
Lo:86
12 pm
Hi:95
14
Lo:73
6 pm
Hi:79
7
Saturday, September 1, 2018, 12:00 am — 6:00 am
95 / 88 °F
Passing clouds.
Humidity: 30%
Barometer: 29.65 "Hg
W
Wind: 5.593 mph
High & Low Weather Summary for September 2018
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 108 °F (Sep 8, 3:51 pm) | 100% (Sep 19, 2:51 pm) | 29.93 "Hg (Sep 19, 2:51 pm) |
| Low | 73 °F (Sep 20, 3:51 am) | 6% (Sep 12, 4:51 pm) | 29.57 "Hg (Sep 1, 5:51 pm) |
| Average | 92 °F | 30% | 29.74 "Hg |
| * Reported Sep 1 12:51 am — Sep 30 11:51 pm, Phoenix. 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
Phoenix Weather History for September 1, 2018
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 12:51 am Sat, Sep 1 |  | 95 °F | Passing clouds. | 8 mph | ↑ | 24% | 29.64 "Hg | 10 mi |
| 1:51 am | | 92 °F | Passing clouds. | 3 mph | ↑ | 29% | 29.63 "Hg | 10 mi |
| 2:51 am | | 91 °F | Passing clouds. | 3 mph | ↑ | 30% | 29.64 "Hg | 10 mi |
| 3:51 am | | 92 °F | Passing clouds. | 5 mph | ↑ | 29% | 29.65 "Hg | 10 mi |
| 4:51 am | | 90 °F | Passing clouds. | 7 mph | ↑ | 33% | 29.66 "Hg | 10 mi |
| 5:51 am | | 88 °F | Passing clouds. | 6 mph | ↑ | 35% | 29.67 "Hg | 10 mi |
| 6:51 am |  | 87 °F | Scattered clouds. | 7 mph | ↑ | 32% | 29.70 "Hg | 10 mi |
| 7:51 am | | 92 °F | Scattered clouds. | 5 mph | ↑ | 23% | 29.71 "Hg | 10 mi |
| 8:51 am | | 93 °F | Scattered clouds. | 12 mph | ↑ | 25% | 29.72 "Hg | 10 mi |
| 9:51 am | | 96 °F | Scattered clouds. | 9 mph | ↑ | 21% | 29.72 "Hg | 10 mi |
| 10:51 am | | 99 °F | Scattered clouds. | 8 mph | ↑ | 17% | 29.71 "Hg | 10 mi |
| 11:51 am | | 100 °F | Scattered clouds. | No wind | ↑ | 19% | 29.69 "Hg | 10 mi |
| 12:51 pm | | 102 °F | Scattered clouds. | 8 mph | ↑ | 20% | 29.67 "Hg | 10 mi |
| 1:51 pm | | 99 °F | Broken clouds. | 7 mph | ↑ | 25% | 29.65 "Hg | 10 mi |
| 2:51 pm | | 101 °F | Broken clouds. | 7 mph | ↑ | 23% | 29.61 "Hg | 10 mi |
| 3:51 pm | | 101 °F | Broken clouds. | 6 mph | ↑ | 22% | 29.59 "Hg | 10 mi |
| 4:51 pm | | 100 °F | Broken clouds. | 10 mph | ↑ | 24% | 29.57 "Hg | 10 mi |
| 5:51 pm | | 101 °F | Scattered clouds. | 9 mph | ↑ | 22% | 29.57 "Hg | 10 mi |
| 6:51 pm | | 100 °F | Scattered clouds. | 7 mph | ↑ | 23% | 29.58 "Hg | 10 mi |
| 7:51 pm | | 99 °F | Passing clouds. | 5 mph | ↑ | 24% | 29.59 "Hg | 10 mi |
| 8:51 pm | | 96 °F | Passing clouds. | 12 mph | ↑ | 19% | 29.62 "Hg | 10 mi |
| 9:51 pm | | 95 °F | Passing clouds. | 15 mph | ↑ | 19% | 29.64 "Hg | 10 mi |
| 10:51 pm |  | 94 °F | Partly cloudy. | 13 mph | ↑ | 17% | 29.65 "Hg | 10 mi |
| 11:51 pm | | 93 °F | Partly cloudy. | 10 mph | ↑ | 18% | 29.66 "Hg | 10 mi |
| Weather by CustomWeather, © 2025 | ||||||||