S
M
T
W
T
F
S
30
84°
62°
31
85°
63°
1
84°
61°
2
83°
60°
3
82°
61°
4
82°
57°
5
81°
57°
6
81°
58°
7
82°
58°
8
82°
56°
9
79°
54°
10
78°
60°
11
80°
57°
12
85°
55°
13
83°
52°
14
76°
51°
15
75°
50°
16
76°
51°
17
76°
51°
18
82°
54°
19
83°
52°
20
83°
53°
21
82°
54°
22
83°
58°
23
83°
60°
24
82°
58°
25
81°
56°
26
77°
48°
27
71°
54°
28
75°
55°
29
74°
54°
30
70°
53°
1
70°
54°
2
71°
53°
3
71°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Scottsdale
Scottsdale's September 2026 forecast shows daily high temperatures ranging from 70° to 85°, with overnight lows between 45° and 63°. The average high for September is 79° with an average low of 55°. 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 Scottsdale. See also: October | November | December.
