S
M
T
W
T
F
S
30
72°
57°
31
70°
57°
1
71°
59°
2
70°
63°
3
73°
65°
4
70°
53°
5
68°
59°
6
70°
56°
7
69°
55°
8
65°
54°
9
66°
50°
10
64°
51°
11
67°
54°
12
68°
52°
13
69°
53°
14
66°
51°
15
66°
53°
16
63°
50°
17
64°
54°
18
65°
54°
19
67°
53°
20
64°
54°
21
66°
54°
22
66°
53°
23
67°
50°
24
63°
48°
25
63°
48°
26
64°
49°
27
65°
50°
28
65°
52°
29
66°
53°
30
65°
52°
1
66°
52°
2
66°
51°
3
65°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sidmouth
Sidmouth's September 2026 forecast shows daily high temperatures ranging from 63° to 73°, with overnight lows between 48° and 65°. The average high for September is 66° with an average low of 53°. 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 Sidmouth. See also: October | November | December.
