S
M
T
W
T
F
S
30
90°
72°
31
91°
73°
1
93°
73°
2
94°
74°
3
92°
74°
4
92°
75°
5
93°
75°
6
94°
74°
7
91°
73°
8
92°
74°
9
91°
74°
10
91°
76°
11
90°
74°
12
91°
73°
13
92°
74°
14
96°
76°
15
92°
73°
16
89°
71°
17
90°
69°
18
92°
67°
19
93°
71°
20
87°
70°
21
91°
71°
22
88°
71°
23
87°
69°
24
86°
64°
25
85°
61°
26
86°
63°
27
86°
59°
28
85°
60°
29
84°
63°
30
84°
66°
1
83°
64°
2
85°
60°
3
86°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Adel
Adel's September 2026 forecast shows daily high temperatures ranging from 83° to 93°, with overnight lows between 59° and 71°. The average high for September is 86° with an average low of 65°. 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 Adel. See also: October | November | December.