S
M
T
W
T
F
S
30
80°
48°
31
71°
47°
1
71°
52°
2
76°
54°
3
70°
47°
4
69°
55°
5
70°
51°
6
77°
47°
7
72°
46°
8
71°
45°
9
68°
45°
10
68°
50°
11
69°
43°
12
68°
43°
13
67°
44°
14
69°
51°
15
73°
44°
16
67°
41°
17
66°
40°
18
64°
40°
19
63°
41°
20
63°
42°
21
64°
43°
22
62°
41°
23
63°
47°
24
68°
46°
25
69°
46°
26
69°
47°
27
70°
40°
28
68°
36°
29
60°
37°
30
61°
45°
1
60°
47°
2
64°
46°
3
66°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Witherbee
Witherbee's September 2026 forecast shows daily high temperatures ranging from 60° to 80°, with overnight lows between 36° and 55°. The average high for September is 68° with an average low of 45°. 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 Witherbee. See also: October | November | December.
