S
M
T
W
T
F
S
30
77°
61°
31
72°
59°
1
72°
56°
2
74°
50°
3
72°
54°
4
84°
60°
5
71°
56°
6
71°
48°
7
78°
50°
8
87°
57°
9
69°
53°
10
64°
46°
11
N/A
12
71°
47°
13
68°
56°
14
68°
47°
15
75°
53°
16
67°
46°
17
65°
46°
18
66°
45°
19
67°
48°
20
68°
47°
21
65°
45°
22
67°
47°
23
65°
45°
24
68°
49°
25
67°
48°
26
62°
46°
27
59°
48°
28
61°
43°
29
60°
40°
30
56°
40°
1
56°
39°
2
57°
38°
3
58°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Sigl
Sigl's September 2026 forecast shows daily high temperatures ranging from 56° to 75°, with overnight lows between 38° and 56°. The average high for September is 64° with an average low of 46°. 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.
