S
M
T
W
T
F
S
30
82°
43°
31
72°
43°
1
71°
52°
2
74°
54°
3
80°
46°
4
76°
45°
5
71°
47°
6
75°
52°
7
78°
42°
8
80°
37°
9
69°
39°
10
66°
40°
11
63°
37°
12
64°
39°
13
66°
43°
14
67°
47°
15
69°
50°
16
73°
40°
17
74°
39°
18
62°
45°
19
63°
45°
20
70°
41°
21
64°
43°
22
69°
38°
23
61°
38°
24
60°
39°
25
67°
42°
26
59°
32°
27
60°
34°
28
Hist. Avg.
61°
37°
29
Hist. Avg.
61°
36°
30
Hist. Avg.
60°
36°
1
Hist. Avg.
60°
36°
2
Hist. Avg.
60°
35°
3
Hist. Avg.
59°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Lewvan
Lewvan's September 2026 forecast shows daily high temperatures ranging from 59° to 82°, with overnight lows between 32° and 54°. The average high for September is 69° with an average low of 42°. 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 Lewvan. See also: October | November | December.