S
M
T
W
T
F
S
30
73°
53°
31
75°
55°
1
75°
55°
2
74°
54°
3
75°
52°
4
66°
50°
5
64°
48°
6
65°
48°
7
70°
46°
8
69°
46°
9
73°
51°
10
72°
49°
11
69°
52°
12
68°
51°
13
66°
49°
14
66°
51°
15
64°
52°
16
67°
51°
17
69°
47°
18
70°
44°
19
69°
45°
20
68°
44°
21
65°
40°
22
62°
41°
23
61°
40°
24
61°
41°
25
62°
42°
26
67°
44°
27
66°
46°
28
65°
47°
29
64°
46°
30
60°
43°
1
59°
47°
2
64°
41°
3
64°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sigl
Sigl's September 2026 forecast shows daily high temperatures ranging from 59° to 75°, with overnight lows between 40° and 55°. The average high for September is 67° with an average low of 47°. 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 Sigl. See also: October | November | December.
