S
M
T
W
T
F
S
30
100°
80°
31
101°
79°
1
100°
80°
2
101°
76°
3
99°
73°
4
94°
75°
5
99°
76°
6
100°
78°
7
99°
76°
8
99°
75°
9
98°
76°
10
97°
75°
11
99°
76°
12
101°
75°
13
97°
75°
14
93°
70°
15
95°
72°
16
96°
70°
17
88°
65°
18
83°
66°
19
86°
70°
20
90°
69°
21
91°
69°
22
90°
68°
23
90°
69°
24
89°
69°
25
90°
66°
26
89°
63°
27
80°
57°
28
79°
57°
29
79°
58°
30
84°
62°
1
87°
64°
2
88°
58°
3
77°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Boyd
Boyd's September 2026 forecast shows daily high temperatures ranging from 77° to 101°, with overnight lows between 54° and 78°. The average high for September is 91° with an average low of 68°. 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 Boyd. See also: October | November | December.