S
M
T
W
T
F
S
30
83°
58°
31
79°
69°
1
90°
69°
2
75°
70°
3
90°
71°
4
84°
64°
5
81°
61°
6
77°
58°
7
79°
60°
8
82°
62°
9
84°
68°
10
85°
64°
11
81°
60°
12
78°
61°
13
80°
60°
14
78°
61°
15
77°
57°
16
74°
60°
17
73°
54°
18
72°
52°
19
77°
56°
20
79°
58°
21
78°
59°
22
77°
59°
23
72°
58°
24
75°
56°
25
74°
55°
26
77°
58°
27
76°
57°
28
74°
52°
29
67°
50°
30
69°
52°
1
68°
50°
2
67°
51°
3
65°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Wyomissing
Wyomissing's September 2026 forecast shows daily high temperatures ranging from 65° to 90°, with overnight lows between 48° and 71°. 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 Wyomissing. See also: October | November | December.
