S
M
T
W
T
F
S
30
85°
60°
31
86°
67°
1
85°
71°
2
91°
72°
3
91°
69°
4
81°
68°
5
76°
64°
6
77°
57°
7
78°
59°
8
84°
66°
9
86°
70°
10
73°
59°
11
76°
57°
12
82°
64°
13
82°
65°
14
77°
62°
15
75°
58°
16
76°
55°
17
78°
58°
18
77°
59°
19
74°
55°
20
72°
44°
21
77°
59°
22
72°
59°
23
72°
58°
24
76°
58°
25
77°
59°
26
77°
58°
27
75°
58°
28
77°
59°
29
77°
59°
30
76°
58°
1
77°
58°
2
74°
52°
3
68°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Bethany
Bethany's September 2026 forecast shows daily high temperatures ranging from 68° to 86°, with overnight lows between 44° and 70°. The average high for September is 76° 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 Bethany. See also: October | November | December.