S
M
T
W
T
F
S
30
86°
65°
31
84°
60°
1
82°
59°
2
78°
60°
3
78°
60°
4
79°
61°
5
78°
59°
6
77°
58°
7
77°
59°
8
78°
61°
9
77°
59°
10
75°
58°
11
76°
58°
12
78°
60°
13
76°
59°
14
77°
58°
15
74°
57°
16
75°
56°
17
73°
55°
18
74°
56°
19
74°
61°
20
75°
60°
21
75°
53°
22
71°
53°
23
Hist. Avg.
74°
57°
24
Hist. Avg.
74°
56°
25
Hist. Avg.
73°
56°
26
Hist. Avg.
73°
55°
27
Hist. Avg.
72°
55°
28
Hist. Avg.
72°
55°
29
Hist. Avg.
72°
54°
30
Hist. Avg.
71°
54°
1
Hist. Avg.
71°
53°
2
Hist. Avg.
70°
53°
3
Hist. Avg.
70°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Clark Township
Clark Township's September 2026 forecast shows daily high temperatures ranging from 71° to 86°, with overnight lows between 53° and 65°. The average high for September is 77° with an average low of 59°. 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 Clark Township. See also: October | November | December.