S
M
T
W
T
F
S
30
91°
63°
31
92°
68°
1
93°
68°
2
92°
67°
3
93°
68°
4
92°
69°
5
92°
69°
6
90°
67°
7
90°
63°
8
84°
67°
9
83°
66°
10
86°
67°
11
89°
66°
12
88°
67°
13
89°
66°
14
89°
64°
15
87°
62°
16
79°
56°
17
79°
56°
18
80°
60°
19
85°
55°
20
78°
55°
21
77°
57°
22
77°
57°
23
78°
60°
24
84°
61°
25
84°
61°
26
83°
60°
27
84°
59°
28
82°
56°
29
81°
55°
30
82°
55°
1
80°
54°
2
83°
56°
3
74°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Adair
Adair's September 2026 forecast shows daily high temperatures ranging from 74° to 93°, with overnight lows between 48° and 69°. The average high for September is 85° with an average low of 61°. 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 Adair. See also: October | November | December.