S
M
T
W
T
F
S
30
82°
66°
31
87°
66°
1
90°
73°
2
95°
73°
3
95°
70°
4
87°
68°
5
81°
67°
6
78°
58°
7
79°
57°
8
84°
55°
9
81°
66°
10
79°
55°
11
81°
62°
12
84°
63°
13
83°
56°
14
80°
66°
15
85°
61°
16
76°
58°
17
73°
53°
18
71°
52°
19
70°
51°
20
74°
51°
21
71°
54°
22
72°
54°
23
71°
49°
24
77°
54°
25
71°
54°
26
77°
54°
27
77°
55°
28
76°
54°
29
76°
54°
30
75°
53°
1
75°
50°
2
68°
52°
3
74°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Leo-Cedarville
Leo-Cedarville's September 2026 forecast shows daily high temperatures ranging from 68° to 85°, with overnight lows between 49° and 66°. The average high for September is 76° with an average low of 55°. 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 Leo-Cedarville. See also: October | November | December.