S
M
T
W
T
F
S
30
72°
59°
31
75°
52°
1
72°
46°
2
66°
57°
3
79°
64°
4
68°
54°
5
72°
48°
6
81°
54°
7
73°
59°
8
64°
55°
9
64°
52°
10
N/A
11
69°
49°
12
71°
60°
13
71°
59°
14
73°
59°
15
68°
50°
16
63°
51°
17
65°
48°
18
64°
50°
19
64°
49°
20
62°
48°
21
64°
50°
22
63°
47°
23
64°
48°
24
66°
49°
25
63°
48°
26
61°
48°
27
64°
50°
28
63°
44°
29
58°
43°
30
57°
43°
1
57°
48°
2
62°
48°
3
61°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Longwick
Longwick's September 2026 forecast shows daily high temperatures ranging from 57° to 73°, with overnight lows between 43° and 60°. The average high for September is 64° with an average low of 49°. 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 Longwick. See also: October | November | December.
