S
M
T
W
T
F
S
30
69°
64°
31
76°
65°
1
84°
69°
2
81°
66°
3
74°
61°
4
71°
61°
5
75°
57°
6
74°
54°
7
73°
54°
8
76°
53°
9
73°
67°
10
73°
51°
11
71°
47°
12
80°
54°
13
71°
60°
14
65°
48°
15
71°
48°
16
N/A
17
68°
59°
18
66°
50°
19
62°
52°
20
67°
52°
21
61°
48°
22
65°
55°
23
65°
52°
24
68°
51°
25
67°
54°
26
68°
55°
27
69°
55°
28
69°
53°
29
66°
45°
30
65°
52°
1
65°
52°
2
60°
50°
3
58°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Tiverton
Tiverton's September 2026 forecast shows daily high temperatures ranging from 58° to 69°, with overnight lows between 45° 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 Tiverton. See also: October | November | December.
