S
M
T
W
T
F
S
30
84°
59°
31
80°
58°
1
68°
62°
2
72°
62°
3
75°
61°
4
81°
59°
5
71°
53°
6
71°
50°
7
75°
55°
8
76°
54°
9
72°
56°
10
77°
52°
11
71°
51°
12
71°
53°
13
72°
52°
14
77°
56°
15
80°
55°
16
78°
50°
17
75°
54°
18
67°
48°
19
73°
53°
20
72°
53°
21
70°
51°
22
71°
52°
23
70°
52°
24
71°
51°
25
68°
51°
26
71°
50°
27
72°
52°
28
71°
49°
29
63°
47°
30
65°
48°
1
63°
45°
2
61°
46°
3
62°
47°
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 61° to 81°, with overnight lows between 45° and 61°. The average high for September is 71° 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 Amesbury. See also: October | November | December.
