S
M
T
W
T
F
S
30
85°
56°
31
83°
53°
1
77°
50°
2
74°
45°
3
75°
45°
4
74°
54°
5
78°
47°
6
79°
47°
7
83°
47°
8
91°
48°
9
95°
57°
10
93°
61°
11
92°
63°
12
87°
55°
13
79°
51°
14
80°
47°
15
79°
47°
16
59°
34°
17
56°
27°
18
61°
31°
19
65°
28°
20
59°
36°
21
65°
37°
22
66°
40°
23
64°
37°
24
65°
36°
25
65°
35°
26
58°
32°
27
59°
32°
28
60°
35°
29
60°
34°
30
56°
35°
1
60°
38°
2
59°
38°
3
60°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lundy
Lundy's September 2026 forecast shows daily high temperatures ranging from 56° to 66°, with overnight lows between 27° and 40°. The average high for September is 61° with an average low of 35°. 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 Lundy. See also: October | November | December.