S
M
T
W
T
F
S
30
70°
55°
31
N/A
1
69°
54°
2
69°
62°
3
74°
63°
4
72°
54°
5
71°
55°
6
74°
58°
7
72°
57°
8
70°
53°
9
68°
53°
10
66°
53°
11
65°
50°
12
65°
49°
13
66°
48°
14
65°
48°
15
66°
51°
16
63°
47°
17
63°
52°
18
64°
52°
19
66°
51°
20
63°
51°
21
65°
52°
22
65°
52°
23
66°
48°
24
62°
46°
25
63°
45°
26
63°
46°
27
64°
49°
28
64°
50°
29
65°
51°
30
65°
50°
1
64°
50°
2
65°
49°
3
64°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Amesbury
Amesbury's September 2026 forecast shows daily high temperatures ranging from 62° to 74°, with overnight lows between 45° and 63°. The average high for September is 66° 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 Amesbury. See also: October | November | December.
