S
M
T
W
T
F
S
30
78°
58°
31
82°
63°
1
82°
63°
2
81°
62°
3
75°
57°
4
74°
54°
5
73°
53°
6
73°
53°
7
76°
60°
8
81°
54°
9
72°
52°
10
72°
53°
11
73°
48°
12
70°
51°
13
70°
50°
14
68°
49°
15
70°
50°
16
71°
51°
17
70°
52°
18
72°
49°
19
69°
47°
20
68°
46°
21
67°
46°
22
68°
47°
23
71°
51°
24
74°
46°
25
74°
52°
26
73°
53°
27
66°
52°
28
68°
48°
29
70°
45°
30
70°
44°
1
64°
48°
2
71°
53°
3
71°
42°
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 64° to 82°, with overnight lows between 42° and 63°. The average high for September is 72° with an average low of 51°. 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.
