S
M
T
W
T
F
S
30
78°
57°
31
71°
64°
1
84°
68°
2
74°
65°
3
84°
65°
4
80°
66°
5
76°
60°
6
76°
55°
7
76°
51°
8
78°
52°
9
79°
58°
10
83°
59°
11
76°
52°
12
75°
65°
13
81°
59°
14
72°
49°
15
75°
60°
16
82°
64°
17
80°
59°
18
75°
53°
19
69°
50°
20
71°
56°
21
71°
52°
22
68°
52°
23
69°
51°
24
70°
55°
25
65°
46°
26
66°
49°
27
73°
54°
28
74°
50°
29
68°
45°
30
70°
54°
1
69°
51°
2
67°
48°
3
69°
53°
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 65° to 83°, with overnight lows between 45° and 65°. The average high for September is 72° with an average low of 54°. 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.
