S
M
T
W
T
F
S
30
68°
52°
31
70°
58°
1
73°
59°
2
71°
60°
3
73°
58°
4
74°
49°
5
73°
51°
6
66°
49°
7
65°
52°
8
70°
55°
9
72°
57°
10
74°
54°
11
71°
52°
12
66°
56°
13
67°
50°
14
71°
50°
15
63°
54°
16
66°
53°
17
64°
54°
18
66°
47°
19
66°
49°
20
65°
48°
21
67°
44°
22
62°
50°
23
63°
50°
24
68°
53°
25
70°
51°
26
67°
52°
27
67°
53°
28
69°
49°
29
67°
45°
30
61°
51°
1
65°
46°
2
68°
42°
3
62°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Tiverton
Tiverton's September 2026 forecast shows daily high temperatures ranging from 61° to 74°, with overnight lows between 41° and 60°. The average high for September is 68° with an average low of 51°. 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 Tiverton. See also: October | November | December.
