S
M
T
W
T
F
S
30
72°
57°
31
65°
61°
1
82°
57°
2
78°
52°
3
74°
49°
4
69°
58°
5
77°
51°
6
77°
48°
7
69°
56°
8
70°
58°
9
69°
46°
10
69°
53°
11
76°
57°
12
69°
46°
13
62°
46°
14
62°
48°
15
63°
47°
16
64°
48°
17
63°
43°
18
61°
44°
19
64°
46°
20
62°
44°
21
61°
40°
22
64°
48°
23
65°
48°
24
65°
47°
25
64°
46°
26
61°
46°
27
63°
47°
28
63°
47°
29
61°
45°
30
60°
45°
1
58°
43°
2
54°
41°
3
50°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lappe
Lappe's September 2026 forecast shows daily high temperatures ranging from 50° to 76°, with overnight lows between 39° and 58°. The average high for September is 63° 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 Lappe. See also: October | November | December.