S
M
T
W
T
F
S
30
104°
73°
31
104°
79°
1
106°
73°
2
104°
73°
3
99°
72°
4
101°
72°
5
102°
71°
6
105°
75°
7
104°
73°
8
102°
76°
9
98°
74°
10
97°
73°
11
98°
74°
12
92°
70°
13
92°
70°
14
88°
69°
15
89°
66°
16
85°
61°
17
90°
66°
18
80°
61°
19
83°
65°
20
85°
66°
21
88°
65°
22
87°
64°
23
87°
64°
24
86°
63°
25
87°
63°
26
85°
59°
27
76°
53°
28
76°
51°
29
75°
53°
30
81°
58°
1
85°
60°
2
84°
54°
3
73°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Heavener
Heavener's September 2026 forecast shows daily high temperatures ranging from 73° to 105°, with overnight lows between 51° and 76°. The average high for September is 89° 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 Heavener. See also: October | November | December.
