S
M
T
W
T
F
S
30
79°
58°
31
78°
57°
1
78°
58°
2
79°
59°
3
76°
62°
4
77°
58°
5
79°
58°
6
78°
57°
7
77°
56°
8
76°
55°
9
76°
56°
10
77°
58°
11
76°
54°
12
75°
54°
13
75°
55°
14
77°
57°
15
77°
60°
16
79°
59°
17
75°
53°
18
73°
52°
19
73°
53°
20
75°
58°
21
72°
52°
22
72°
54°
23
77°
57°
24
76°
58°
25
77°
57°
26
76°
49°
27
75°
50°
28
68°
49°
29
67°
49°
30
68°
48°
1
Hist. Avg.
71°
51°
2
Hist. Avg.
71°
50°
3
Hist. Avg.
70°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Adamstown
Adamstown's September 2026 forecast shows daily high temperatures ranging from 67° to 79°, with overnight lows between 48° and 62°. The average high for September is 75° with an average low of 55°. 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 Adamstown. See also: October | November | December.
