S
M
T
W
T
F
S
30
83°
54°
31
79°
66°
1
92°
69°
2
76°
67°
3
88°
67°
4
85°
67°
5
80°
58°
6
78°
55°
7
78°
50°
8
81°
59°
9
86°
67°
10
76°
59°
11
78°
51°
12
76°
58°
13
80°
58°
14
81°
61°
15
79°
62°
16
77°
50°
17
76°
53°
18
75°
56°
19
74°
52°
20
73°
50°
21
78°
55°
22
71°
54°
23
72°
54°
24
73°
53°
25
73°
53°
26
76°
52°
27
73°
47°
28
75°
52°
29
76°
53°
30
77°
53°
1
76°
52°
2
74°
51°
3
73°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Shamokin Dam
Shamokin Dam's September 2026 forecast shows daily high temperatures ranging from 71° to 86°, with overnight lows between 47° and 67°. The average high for September is 76° with an average low of 54°. 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 Shamokin Dam. See also: October | November | December.
