S
M
T
W
T
F
S
30
81°
56°
31
82°
57°
1
82°
57°
2
81°
56°
3
82°
57°
4
80°
56°
5
78°
55°
6
77°
54°
7
80°
53°
8
81°
54°
9
81°
55°
10
80°
54°
11
80°
54°
12
79°
53°
13
81°
55°
14
80°
54°
15
79°
54°
16
78°
53°
17
76°
53°
18
72°
49°
19
75°
42°
20
68°
50°
21
70°
49°
22
68°
41°
23
68°
41°
24
69°
48°
25
73°
49°
26
70°
50°
27
66°
45°
28
67°
44°
29
66°
47°
30
65°
48°
1
66°
39°
2
64°
38°
3
64°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Clarks Mills
Clarks Mills's September 2026 forecast shows daily high temperatures ranging from 64° to 82°, with overnight lows between 37° and 57°. The average high for September is 75° with an average low of 50°. 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 Clarks Mills. See also: October | November | December.