S
M
T
W
T
F
S
30
82°
57°
31
79°
64°
1
77°
59°
2
79°
57°
3
79°
61°
4
88°
63°
5
73°
59°
6
69°
50°
7
72°
55°
8
81°
58°
9
63°
48°
10
58°
46°
11
62°
43°
12
60°
44°
13
64°
49°
14
65°
51°
15
67°
51°
16
57°
48°
17
58°
46°
18
57°
48°
19
58°
46°
20
61°
44°
21
63°
46°
22
60°
43°
23
64°
45°
24
66°
46°
25
66°
46°
26
65°
41°
27
58°
38°
28
58°
37°
29
57°
37°
30
59°
45°
1
55°
38°
2
54°
36°
3
59°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sonnen
Sonnen's September 2026 forecast shows daily high temperatures ranging from 54° to 81°, with overnight lows between 36° and 58°. The average high for September is 62° 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 Sonnen. See also: October | November | December.
