S
M
T
W
T
F
S
30
76°
55°
31
70°
55°
1
73°
51°
2
70°
49°
3
68°
57°
4
67°
60°
5
63°
56°
6
59°
53°
7
66°
53°
8
64°
47°
9
65°
53°
10
67°
58°
11
69°
56°
12
63°
49°
13
65°
52°
14
67°
53°
15
68°
52°
16
70°
51°
17
68°
43°
18
63°
52°
19
68°
52°
20
66°
51°
21
64°
51°
22
66°
52°
23
67°
51°
24
67°
51°
25
64°
50°
26
65°
51°
27
66°
52°
28
64°
50°
29
65°
49°
30
62°
49°
1
64°
48°
2
61°
48°
3
57°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lantz
Lantz's September 2026 forecast shows daily high temperatures ranging from 57° to 70°, with overnight lows between 43° and 60°. The average high for September is 65° with an average low of 51°. 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 Lantz. See also: October | November | December.