S
M
T
W
T
F
S
30
73°
51°
31
73°
54°
1
72°
53°
2
72°
52°
3
71°
55°
4
72°
54°
5
64°
51°
6
70°
50°
7
71°
52°
8
70°
53°
9
64°
52°
10
63°
48°
11
63°
46°
12
64°
46°
13
62°
46°
14
62°
44°
15
63°
45°
16
64°
43°
17
66°
43°
18
61°
44°
19
60°
45°
20
61°
44°
21
61°
43°
22
62°
44°
23
60°
45°
24
61°
44°
25
60°
42°
26
59°
42°
27
Hist. Avg.
62°
41°
28
Hist. Avg.
62°
41°
29
Hist. Avg.
62°
41°
30
Hist. Avg.
62°
40°
1
Hist. Avg.
61°
40°
2
Hist. Avg.
61°
40°
3
Hist. Avg.
61°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Sontheim
Sontheim's September 2026 forecast shows daily high temperatures ranging from 59° to 73°, with overnight lows between 42° and 55°. The average high for September is 65° 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 Sontheim. See also: October | November | December.
