S
M
T
W
T
F
S
30
70°
64°
31
80°
65°
1
90°
67°
2
90°
68°
3
78°
64°
4
81°
64°
5
80°
54°
6
77°
50°
7
78°
48°
8
82°
53°
9
79°
68°
10
75°
52°
11
76°
45°
12
84°
55°
13
76°
50°
14
68°
41°
15
72°
56°
16
70°
58°
17
69°
53°
18
70°
54°
19
64°
54°
20
69°
53°
21
65°
53°
22
67°
55°
23
70°
52°
24
68°
51°
25
73°
51°
26
72°
51°
27
71°
53°
28
72°
51°
29
70°
44°
30
68°
50°
1
71°
50°
2
64°
49°
3
61°
50°
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 61° to 73°, with overnight lows between 44° and 58°. The average high for September is 69° with an average low of 52°. 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.