S
M
T
W
T
F
S
30
71°
60°
31
68°
57°
1
69°
54°
2
66°
57°
3
72°
64°
4
66°
59°
5
68°
56°
6
73°
53°
7
68°
61°
8
63°
56°
9
63°
54°
10
66°
50°
11
68°
56°
12
69°
54°
13
69°
61°
14
74°
61°
15
68°
56°
16
64°
54°
17
64°
55°
18
63°
54°
19
68°
60°
20
65°
53°
21
70°
54°
22
73°
59°
23
65°
44°
24
66°
51°
25
67°
50°
26
67°
52°
27
67°
52°
28
65°
49°
29
65°
51°
30
67°
51°
1
65°
49°
2
64°
46°
3
59°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in West Butterwick
West Butterwick's September 2026 forecast shows daily high temperatures ranging from 59° to 73°, with overnight lows between 44° and 59°. The average high for September is 66° 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 West Butterwick. See also: October | November | December.