S
M
T
W
T
F
S
30
77°
54°
31
75°
54°
1
75°
55°
2
76°
55°
3
74°
57°
4
74°
55°
5
77°
55°
6
76°
54°
7
74°
52°
8
73°
51°
9
73°
53°
10
74°
56°
11
72°
51°
12
72°
51°
13
74°
50°
14
75°
56°
15
74°
57°
16
76°
56°
17
73°
49°
18
71°
48°
19
71°
50°
20
74°
54°
21
70°
49°
22
69°
51°
23
73°
54°
24
74°
55°
25
75°
53°
26
74°
46°
27
71°
47°
28
65°
46°
29
64°
45°
30
65°
45°
1
65°
45°
2
Hist. Avg.
69°
48°
3
Hist. Avg.
68°
48°
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 77°, with overnight lows between 45° and 57°. The average high for September is 73° with an average low of 52°. 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.
