S
M
T
W
T
F
S
30
77°
57°
31
78°
64°
1
84°
67°
2
68°
65°
3
87°
66°
4
84°
68°
5
80°
61°
6
78°
57°
7
79°
52°
8
81°
52°
9
80°
57°
10
86°
67°
11
80°
55°
12
79°
51°
13
80°
65°
14
73°
49°
15
73°
47°
16
79°
54°
17
72°
65°
18
79°
57°
19
69°
58°
20
67°
55°
21
67°
51°
22
62°
48°
23
62°
49°
24
60°
49°
25
66°
50°
26
67°
49°
27
70°
46°
28
68°
47°
29
69°
48°
30
71°
49°
1
70°
47°
2
72°
48°
3
64°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Andover
Andover's September 2026 forecast shows daily high temperatures ranging from 60° to 72°, with overnight lows between 46° and 58°. The average high for September is 67° 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 Andover. See also: October | November | December.
