S
M
T
W
T
F
S
30
103°
78°
31
89°
74°
1
98°
76°
2
101°
82°
3
100°
80°
4
101°
81°
5
100°
83°
6
103°
84°
7
104°
83°
8
105°
82°
9
103°
81°
10
98°
77°
11
97°
76°
12
94°
77°
13
96°
76°
14
100°
77°
15
99°
78°
16
98°
72°
17
102°
78°
18
100°
76°
19
98°
75°
20
96°
72°
21
99°
73°
22
100°
75°
23
100°
76°
24
96°
73°
25
96°
74°
26
98°
74°
27
96°
73°
28
95°
73°
29
94°
71°
30
96°
71°
1
97°
72°
2
97°
72°
3
98°
71°
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 94° to 105°, with overnight lows between 71° and 84°. The average high for September is 99° with an average low of 76°. 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.
