S
M
T
W
T
F
S
30
71°
56°
31
70°
56°
1
67°
55°
2
67°
53°
3
68°
51°
4
65°
51°
5
66°
50°
6
68°
52°
7
68°
52°
8
69°
54°
9
70°
55°
10
69°
54°
11
65°
54°
12
63°
53°
13
65°
53°
14
64°
48°
15
63°
48°
16
63°
49°
17
64°
49°
18
63°
52°
19
63°
49°
20
62°
47°
21
62°
47°
22
61°
53°
23
66°
52°
24
66°
52°
25
65°
47°
26
63°
47°
27
61°
50°
28
60°
51°
29
61°
50°
30
60°
46°
1
60°
48°
2
59°
46°
3
60°
46°
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 59° to 71°, with overnight lows between 46° and 56°. The average high for September is 64° 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.
