S
M
T
W
T
F
S
30
102°
74°
31
99°
72°
1
97°
71°
2
98°
72°
3
102°
75°
4
101°
73°
5
97°
71°
6
96°
72°
7
99°
75°
8
100°
74°
9
96°
71°
10
89°
67°
11
94°
66°
12
100°
70°
13
100°
73°
14
99°
75°
15
96°
68°
16
92°
62°
17
83°
61°
18
76°
54°
19
77°
49°
20
77°
51°
21
79°
53°
22
78°
52°
23
78°
52°
24
80°
51°
25
84°
59°
26
83°
58°
27
83°
57°
28
82°
57°
29
83°
55°
30
83°
55°
1
82°
54°
2
83°
56°
3
83°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Booker
Booker's September 2026 forecast shows daily high temperatures ranging from 76° to 100°, with overnight lows between 49° and 75°. The average high for September is 85° with an average low of 58°. 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 Booker. See also: October | November | December.