S
M
T
W
T
F
S
30
79°
56°
31
76°
53°
1
72°
53°
2
66°
60°
3
66°
61°
4
80°
63°
5
75°
58°
6
74°
53°
7
82°
50°
8
79°
57°
9
67°
51°
10
85°
65°
11
76°
50°
12
70°
43°
13
64°
59°
14
71°
51°
15
67°
44°
16
71°
54°
17
74°
56°
18
77°
55°
19
65°
45°
20
60°
40°
21
69°
47°
22
64°
45°
23
65°
38°
24
68°
46°
25
69°
53°
26
63°
55°
27
60°
53°
28
62°
54°
29
67°
53°
30
68°
51°
1
69°
53°
2
67°
50°
3
66°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Yarmouth Town
Yarmouth Town's September 2026 forecast shows daily high temperatures ranging from 60° to 69°, with overnight lows between 38° and 55°. The average high for September is 66° with an average low of 50°. 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 Yarmouth Town. See also: October | November | December.
