S
M
T
W
T
F
S
30
74°
53°
31
74°
59°
1
70°
58°
2
69°
62°
3
74°
60°
4
75°
54°
5
69°
51°
6
72°
51°
7
72°
54°
8
71°
50°
9
72°
57°
10
73°
54°
11
73°
50°
12
70°
46°
13
73°
48°
14
71°
48°
15
66°
46°
16
68°
52°
17
73°
48°
18
64°
45°
19
65°
43°
20
69°
48°
21
72°
52°
22
73°
53°
23
73°
51°
24
72°
49°
25
71°
48°
26
71°
49°
27
72°
50°
28
72°
49°
29
70°
44°
30
60°
39°
1
59°
39°
2
63°
47°
3
69°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lanesborough
Lanesborough's September 2026 forecast shows daily high temperatures ranging from 59° to 75°, with overnight lows between 39° and 62°. The average high for September is 70° with an average low of 50°. 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 Lanesborough. See also: October | November | December.
