S
M
T
W
T
F
S
30
79°
59°
31
81°
58°
1
80°
56°
2
74°
54°
3
73°
56°
4
75°
57°
5
80°
57°
6
80°
58°
7
81°
58°
8
81°
57°
9
78°
56°
10
73°
56°
11
79°
57°
12
80°
56°
13
78°
56°
14
70°
44°
15
68°
46°
16
69°
51°
17
71°
50°
18
67°
44°
19
69°
48°
20
72°
51°
21
75°
52°
22
74°
49°
23
75°
42°
24
68°
44°
25
70°
47°
26
73°
51°
27
70°
46°
28
72°
40°
29
63°
40°
30
64°
42°
1
63°
49°
2
67°
48°
3
71°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Denmark Township
Denmark Township's September 2026 forecast shows daily high temperatures ranging from 63° to 81°, with overnight lows between 40° and 59°. The average high for September is 73° with an average low of 51°. 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 Denmark Township. See also: October | November | December.