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
70°
61°
8
64°
55°
9
64°
52°
10
64°
46°
11
70°
48°
12
73°
45°
13
72°
63°
14
77°
63°
15
70°
55°
16
64°
50°
17
66°
55°
18
66°
52°
19
67°
54°
20
66°
48°
21
71°
55°
22
72°
53°
23
67°
42°
24
65°
53°
25
67°
51°
26
66°
54°
27
67°
51°
28
64°
51°
29
65°
54°
30
65°
49°
1
64°
50°
2
63°
49°
3
58°
49°
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 58° to 72°, with overnight lows between 42° and 55°. The average high for September is 66° 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.
