S
M
T
W
T
F
S
30
90°
63°
31
90°
62°
1
89°
61°
2
89°
62°
3
88°
61°
4
88°
61°
5
87°
60°
6
88°
60°
7
86°
58°
8
75°
57°
9
78°
57°
10
84°
56°
11
86°
57°
12
85°
56°
13
76°
54°
14
72°
55°
15
74°
54°
16
77°
53°
17
84°
49°
18
71°
49°
19
72°
53°
20
74°
52°
21
82°
52°
22
80°
50°
23
77°
45°
24
69°
49°
25
75°
48°
26
81°
44°
27
81°
41°
28
71°
49°
29
78°
48°
30
78°
47°
1
74°
49°
2
78°
49°
3
80°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lewellen
Lewellen's September 2026 forecast shows daily high temperatures ranging from 69° to 90°, with overnight lows between 41° and 63°. The average high for September is 80° with an average low of 53°. 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.
