S
M
T
W
T
F
S
30
81°
63°
31
88°
65°
1
90°
70°
2
N/A
3
89°
68°
4
88°
68°
5
87°
66°
6
80°
63°
7
79°
64°
8
84°
63°
9
82°
60°
10
76°
57°
11
74°
56°
12
72°
54°
13
70°
53°
14
69°
51°
15
72°
50°
16
77°
55°
17
75°
55°
18
71°
50°
19
73°
54°
20
75°
54°
21
74°
53°
22
74°
51°
23
72°
52°
24
73°
52°
25
72°
51°
26
66°
45°
27
62°
40°
28
60°
39°
29
61°
40°
30
60°
38°
1
59°
47°
2
60°
46°
3
61°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Fennimore
Fennimore's September 2026 forecast shows daily high temperatures ranging from 59° to 89°, with overnight lows between 38° and 68°. The average high for September is 72° with an average low of 53°. 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 Fennimore. See also: October | November | December.
