S
M
T
W
T
F
S
30
72°
57°
31
70°
57°
1
72°
46°
2
70°
60°
3
77°
66°
4
68°
54°
5
72°
50°
6
75°
57°
7
67°
55°
8
66°
50°
9
65°
46°
10
65°
56°
11
68°
46°
12
68°
59°
13
68°
55°
14
69°
55°
15
67°
51°
16
65°
50°
17
65°
52°
18
66°
53°
19
67°
52°
20
64°
54°
21
65°
54°
22
65°
53°
23
64°
53°
24
65°
52°
25
64°
49°
26
62°
51°
27
63°
48°
28
63°
48°
29
61°
51°
30
63°
52°
1
62°
49°
2
63°
51°
3
62°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Copplestone
Copplestone's September 2026 forecast shows daily high temperatures ranging from 61° to 69°, with overnight lows between 46° and 59°. The average high for September is 65° with an average low of 52°. 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 Copplestone. See also: October | November | December.
