S
M
T
W
T
F
S
30
72°
54°
31
74°
55°
1
75°
54°
2
74°
54°
3
73°
55°
4
73°
54°
5
72°
54°
6
71°
50°
7
72°
52°
8
71°
51°
9
68°
50°
10
64°
49°
11
65°
49°
12
63°
48°
13
63°
49°
14
64°
49°
15
62°
48°
16
64°
44°
17
68°
43°
18
61°
43°
19
62°
44°
20
61°
42°
21
61°
41°
22
60°
43°
23
61°
46°
24
60°
45°
25
60°
43°
26
60°
48°
27
63°
48°
28
65°
46°
29
66°
43°
30
Hist. Avg.
60°
50°
1
Hist. Avg.
59°
49°
2
Hist. Avg.
59°
49°
3
Hist. Avg.
59°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Wilthen
Wilthen's September 2026 forecast shows daily high temperatures ranging from 60° to 75°, with overnight lows between 41° and 55°. The average high for September is 66° with an average low of 48°. 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 Wilthen. See also: October | November | December.
