S
M
T
W
T
F
S
30
111°
84°
31
108°
81°
1
106°
82°
2
105°
82°
3
102°
74°
4
104°
78°
5
103°
78°
6
104°
77°
7
104°
78°
8
103°
77°
9
105°
78°
10
105°
78°
11
104°
77°
12
103°
73°
13
97°
70°
14
93°
69°
15
93°
70°
16
94°
70°
17
97°
71°
18
100°
74°
19
101°
73°
20
102°
74°
21
102°
74°
22
101°
73°
23
100°
73°
24
100°
72°
25
99°
73°
26
99°
71°
27
98°
69°
28
89°
67°
29
89°
66°
30
91°
70°
1
89°
68°
2
88°
63°
3
90°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Apache Junction
Apache Junction's September 2026 forecast shows daily high temperatures ranging from 88° to 111°, with overnight lows between 63° and 84°. The average high for September is 99° with an average low of 74°. 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 Apache Junction. See also: October | November | December.
