S
M
T
W
T
F
S
30
85°
58°
31
83°
67°
1
90°
71°
2
81°
71°
3
92°
71°
4
85°
66°
5
80°
60°
6
79°
63°
7
79°
61°
8
76°
60°
9
77°
61°
10
79°
64°
11
80°
63°
12
79°
62°
13
78°
60°
14
79°
57°
15
76°
61°
16
73°
60°
17
74°
54°
18
71°
52°
19
71°
53°
20
73°
56°
21
76°
59°
22
78°
59°
23
79°
60°
24
79°
58°
25
77°
56°
26
76°
57°
27
77°
58°
28
77°
58°
29
78°
57°
30
72°
52°
1
69°
50°
2
71°
55°
3
75°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Stewartstown
Stewartstown's September 2026 forecast shows daily high temperatures ranging from 69° to 92°, with overnight lows between 50° and 71°. The average high for September is 77° with an average low of 59°. 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 Stewartstown. See also: October | November | December.
