S
M
T
W
T
F
S
30
81°
55°
31
N/A
1
70°
64°
2
72°
65°
3
75°
67°
4
78°
61°
5
72°
63°
6
71°
63°
7
74°
66°
8
76°
64°
9
77°
67°
10
78°
65°
11
79°
62°
12
72°
60°
13
71°
60°
14
77°
62°
15
70°
62°
16
72°
63°
17
75°
62°
18
69°
59°
19
69°
61°
20
70°
62°
21
74°
63°
22
75°
64°
23
76°
62°
24
75°
61°
25
74°
60°
26
75°
61°
27
74°
62°
28
74°
60°
29
73°
59°
30
66°
55°
1
64°
56°
2
64°
59°
3
71°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in East Falmouth
East Falmouth's September 2026 forecast shows daily high temperatures ranging from 64° to 79°, with overnight lows between 55° and 67°. The average high for September is 73° with an average low of 62°. 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 East Falmouth. See also: October | November | December.
