S
M
T
W
T
F
S
30
70°
61°
31
66°
57°
1
68°
54°
2
68°
55°
3
72°
57°
4
79°
61°
5
68°
54°
6
72°
50°
7
82°
61°
8
79°
59°
9
63°
50°
10
63°
46°
11
68°
50°
12
70°
54°
13
N/A
14
73°
56°
15
80°
58°
16
65°
47°
17
63°
52°
18
62°
51°
19
65°
53°
20
65°
50°
21
66°
49°
22
66°
49°
23
64°
49°
24
65°
50°
25
66°
51°
26
65°
47°
27
68°
52°
28
68°
53°
29
67°
53°
30
65°
52°
1
64°
52°
2
66°
51°
3
67°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Lieser
Lieser's September 2026 forecast shows daily high temperatures ranging from 62° to 80°, with overnight lows between 47° and 58°. The average high for September is 67° 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 Lieser. See also: October | November | December.