S
M
T
W
T
F
S
30
77°
56°
31
81°
59°
1
81°
51°
2
80°
50°
3
73°
51°
4
75°
53°
5
76°
59°
6
79°
53°
7
80°
50°
8
72°
54°
9
72°
57°
10
73°
57°
11
77°
55°
12
75°
54°
13
70°
54°
14
69°
48°
15
71°
47°
16
69°
46°
17
69°
51°
18
70°
49°
19
73°
52°
20
68°
54°
21
73°
51°
22
71°
44°
23
68°
49°
24
66°
53°
25
71°
46°
26
71°
43°
27
Hist. Avg.
67°
47°
28
Hist. Avg.
67°
47°
29
Hist. Avg.
66°
47°
30
Hist. Avg.
66°
46°
1
Hist. Avg.
66°
46°
2
Hist. Avg.
65°
45°
3
Hist. Avg.
65°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Exeter Town
Exeter Town's September 2026 forecast shows daily high temperatures ranging from 66° to 81°, with overnight lows between 43° and 59°. The average high for September is 73° 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 Exeter Town. See also: October | November | December.