S
M
T
W
T
F
S
30
71°
50°
31
75°
57°
1
75°
57°
2
72°
54°
3
70°
51°
4
69°
49°
5
69°
50°
6
70°
53°
7
72°
55°
8
73°
49°
9
67°
47°
10
67°
52°
11
66°
42°
12
65°
45°
13
64°
46°
14
65°
45°
15
64°
44°
16
65°
42°
17
65°
43°
18
66°
42°
19
64°
41°
20
62°
39°
21
62°
40°
22
63°
41°
23
68°
42°
24
70°
47°
25
73°
49°
26
73°
49°
27
64°
48°
28
68°
47°
29
64°
39°
30
61°
41°
1
60°
47°
2
69°
38°
3
70°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lewis Run
Lewis Run's September 2026 forecast shows daily high temperatures ranging from 60° to 75°, with overnight lows between 37° and 57°. The average high for September is 67° with an average low of 46°. 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 Lewis Run. See also: October | November | December.
