S
M
T
W
T
F
S
30
90°
60°
31
91°
58°
1
89°
59°
2
93°
56°
3
93°
60°
4
97°
64°
5
95°
58°
6
88°
58°
7
87°
68°
8
83°
64°
9
79°
57°
10
88°
59°
11
89°
59°
12
71°
53°
13
78°
52°
14
87°
61°
15
70°
54°
16
81°
56°
17
89°
58°
18
85°
65°
19
80°
55°
20
71°
53°
21
N/A
22
68°
56°
23
74°
59°
24
74°
57°
25
73°
56°
26
85°
50°
27
82°
54°
28
76°
45°
29
70°
43°
30
68°
44°
1
70°
43°
2
72°
40°
3
68°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Lewellen
Lewellen's September 2026 forecast shows daily high temperatures ranging from 68° to 85°, with overnight lows between 40° and 59°. The average high for September is 73° with an average low of 50°. 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 Lewellen. See also: October | November | December.
