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
99°
74°
9
97°
68°
10
83°
65°
11
95°
71°
12
94°
72°
13
96°
69°
14
94°
62°
15
74°
54°
16
76°
55°
17
80°
51°
18
77°
52°
19
72°
51°
20
74°
53°
21
81°
52°
22
84°
58°
23
84°
58°
24
77°
57°
25
78°
58°
26
81°
57°
27
82°
57°
28
76°
56°
29
75°
46°
30
79°
44°
1
69°
44°
2
70°
42°
3
69°
45°
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 69° to 99°, with overnight lows between 42° and 74°. The average high for September is 81° with an average low of 57°. 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.