S
M
T
W
T
F
S
30
80°
59°
31
79°
58°
1
80°
56°
2
79°
56°
3
78°
55°
4
79°
57°
5
79°
59°
6
77°
62°
7
83°
55°
8
80°
58°
9
82°
63°
10
83°
63°
11
84°
62°
12
84°
56°
13
83°
56°
14
76°
61°
15
80°
61°
16
79°
62°
17
83°
57°
18
82°
52°
19
74°
59°
20
77°
51°
21
81°
50°
22
72°
48°
23
70°
50°
24
Hist. Avg.
77°
55°
25
Hist. Avg.
77°
55°
26
Hist. Avg.
76°
54°
27
Hist. Avg.
76°
54°
28
Hist. Avg.
76°
53°
29
Hist. Avg.
75°
53°
30
Hist. Avg.
75°
53°
1
Hist. Avg.
74°
52°
2
Hist. Avg.
74°
52°
3
Hist. Avg.
74°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Clark
Clark's September 2026 forecast shows daily high temperatures ranging from 70° to 84°, with overnight lows between 48° and 63°. The average high for September is 79° with an average low of 57°. 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. See also: October | November | December.
