S
M
T
W
T
F
S
30
65°
49°
31
66°
44°
1
72°
39°
2
71°
41°
3
70°
45°
4
72°
46°
5
67°
46°
6
63°
47°
7
64°
42°
8
65°
40°
9
69°
46°
10
70°
47°
11
70°
38°
12
63°
39°
13
65°
44°
14
62°
40°
15
64°
34°
16
63°
34°
17
55°
32°
18
54°
31°
19
55°
33°
20
58°
40°
21
64°
33°
22
56°
33°
23
55°
31°
24
53°
30°
25
52°
28°
26
51°
30°
27
53°
31°
28
52°
39°
29
55°
33°
30
59°
38°
1
Hist. Avg.
58°
35°
2
Hist. Avg.
57°
34°
3
Hist. Avg.
57°
34°
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 51° to 72°, with overnight lows between 28° and 49°. The average high for September is 62° with an average low of 38°. 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.