S
M
T
W
T
F
S
30
64°
57°
31
66°
57°
1
72°
50°
2
70°
48°
3
73°
61°
4
70°
59°
5
66°
52°
6
70°
45°
7
82°
61°
8
69°
53°
9
65°
48°
10
65°
48°
11
67°
49°
12
69°
54°
13
68°
55°
14
69°
53°
15
71°
54°
16
67°
51°
17
65°
49°
18
67°
48°
19
68°
49°
20
64°
52°
21
65°
53°
22
66°
53°
23
66°
52°
24
67°
53°
25
66°
51°
26
63°
50°
27
61°
48°
28
60°
46°
29
61°
45°
30
60°
51°
1
61°
50°
2
61°
47°
3
62°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lähden
Lähden's September 2026 forecast shows daily high temperatures ranging from 60° to 82°, with overnight lows between 45° and 61°. The average high for September is 66° 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 Lähden. See also: October | November | December.