S
M
T
W
T
F
S
30
81°
52°
31
N/A
1
86°
69°
2
78°
70°
3
85°
68°
4
84°
61°
5
79°
60°
6
75°
57°
7
77°
59°
8
76°
57°
9
77°
60°
10
81°
61°
11
76°
59°
12
75°
58°
13
76°
57°
14
74°
55°
15
73°
58°
16
72°
59°
17
74°
51°
18
69°
49°
19
69°
50°
20
71°
54°
21
76°
58°
22
77°
58°
23
78°
57°
24
77°
56°
25
75°
53°
26
75°
55°
27
76°
56°
28
76°
55°
29
75°
52°
30
69°
48°
1
66°
46°
2
69°
52°
3
73°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Pottsville
Pottsville's September 2026 forecast shows daily high temperatures ranging from 66° to 86°, with overnight lows between 46° and 70°. The average high for September is 75° with an average low of 57°. 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 Pottsville. See also: October | November | December.
