S
M
T
W
T
F
S
30
83°
54°
31
78°
67°
1
90°
71°
2
79°
71°
3
87°
72°
4
87°
65°
5
82°
58°
6
76°
60°
7
78°
60°
8
75°
58°
9
74°
59°
10
78°
60°
11
77°
60°
12
76°
59°
13
76°
58°
14
75°
56°
15
73°
60°
16
72°
59°
17
72°
53°
18
70°
51°
19
69°
51°
20
70°
54°
21
74°
58°
22
77°
59°
23
78°
59°
24
78°
57°
25
75°
54°
26
75°
56°
27
76°
57°
28
75°
56°
29
76°
55°
30
70°
51°
1
66°
49°
2
68°
54°
3
73°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Myerstown
Myerstown's September 2026 forecast shows daily high temperatures ranging from 66° to 90°, with overnight lows between 49° and 72°. The average high for September is 76° with an average low of 58°. 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 Myerstown. See also: October | November | December.
