S
M
T
W
T
F
S
30
Hist. Avg.
88°
55°
31
Hist. Avg.
88°
55°
1
Hist. Avg.
88°
55°
2
Hist. Avg.
88°
55°
3
Hist. Avg.
88°
54°
4
Hist. Avg.
88°
54°
5
Hist. Avg.
87°
54°
6
Hist. Avg.
87°
54°
7
Hist. Avg.
87°
54°
8
Hist. Avg.
87°
53°
9
Hist. Avg.
86°
53°
10
Hist. Avg.
86°
53°
11
Hist. Avg.
86°
53°
12
Hist. Avg.
86°
52°
13
Hist. Avg.
85°
52°
14
Hist. Avg.
85°
52°
15
Hist. Avg.
85°
52°
16
Hist. Avg.
85°
51°
17
Hist. Avg.
84°
51°
18
Hist. Avg.
84°
51°
19
Hist. Avg.
84°
50°
20
Hist. Avg.
83°
50°
21
Hist. Avg.
83°
50°
22
Hist. Avg.
82°
50°
23
Hist. Avg.
82°
49°
24
Hist. Avg.
82°
49°
25
Hist. Avg.
81°
48°
26
Hist. Avg.
81°
48°
27
Hist. Avg.
80°
48°
28
Hist. Avg.
80°
48°
29
Hist. Avg.
80°
47°
30
Hist. Avg.
79°
47°
1
Hist. Avg.
79°
46°
2
Hist. Avg.
78°
46°
3
Hist. Avg.
78°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Phoenix
Phoenix's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Phoenix. See also: October | November | December.
