S
M
T
W
T
F
S
30
75°
61°
31
73°
55°
1
72°
55°
2
72°
52°
3
70°
52°
4
81°
59°
5
68°
52°
6
69°
52°
7
78°
58°
8
76°
55°
9
65°
48°
10
65°
47°
11
67°
51°
12
65°
49°
13
62°
48°
14
63°
49°
15
65°
51°
16
67°
51°
17
64°
49°
18
63°
50°
19
64°
51°
20
66°
50°
21
64°
51°
22
65°
52°
23
67°
51°
24
67°
51°
25
66°
48°
26
65°
44°
27
61°
42°
28
61°
42°
29
62°
43°
30
61°
49°
1
61°
46°
2
60°
44°
3
62°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sonneborn
Sonneborn's September 2026 forecast shows daily high temperatures ranging from 60° to 78°, with overnight lows between 42° and 58°. The average high for September is 65° with an average low of 49°. 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 Sonneborn. See also: October | November | December.
