S
M
T
W
T
F
S
30
102°
76°
31
101°
75°
1
101°
70°
2
100°
73°
3
99°
73°
4
99°
70°
5
102°
69°
6
100°
71°
7
100°
72°
8
100°
78°
9
90°
69°
10
86°
64°
11
88°
69°
12
86°
71°
13
88°
72°
14
94°
63°
15
77°
57°
16
78°
58°
17
79°
54°
18
75°
55°
19
76°
52°
20
74°
54°
21
79°
54°
22
84°
61°
23
83°
60°
24
83°
61°
25
78°
61°
26
79°
60°
27
79°
59°
28
81°
60°
29
77°
59°
30
77°
51°
1
68°
47°
2
67°
45°
3
66°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Scranton
Scranton's September 2026 forecast shows daily high temperatures ranging from 66° to 100°, with overnight lows between 44° and 78°. The average high for September is 80° 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 Scranton. See also: October | November | December.
