S
M
T
W
T
F
S
30
99°
78°
31
100°
79°
1
103°
81°
2
102°
81°
3
100°
75°
4
97°
74°
5
97°
76°
6
98°
78°
7
101°
74°
8
99°
72°
9
98°
72°
10
99°
73°
11
97°
71°
12
98°
72°
13
99°
71°
14
98°
71°
15
98°
74°
16
101°
75°
17
99°
77°
18
97°
76°
19
99°
77°
20
102°
76°
21
101°
73°
22
94°
74°
23
94°
76°
24
98°
74°
25
98°
73°
26
97°
76°
27
99°
77°
28
100°
77°
29
100°
76°
30
99°
75°
1
96°
73°
2
98°
72°
3
97°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Ajo
Ajo's September 2026 forecast shows daily high temperatures ranging from 94° to 103°, with overnight lows between 71° and 81°. The average high for September is 99° with an average low of 75°. 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 Ajo. See also: October | November | December.
