S
M
T
W
T
F
S
30
82°
61°
31
81°
61°
1
82°
57°
2
74°
53°
3
73°
53°
4
73°
54°
5
74°
52°
6
78°
59°
7
80°
59°
8
79°
58°
9
77°
59°
10
80°
59°
11
80°
58°
12
81°
59°
13
80°
60°
14
80°
50°
15
72°
50°
16
69°
49°
17
72°
50°
18
70°
48°
19
69°
47°
20
69°
48°
21
76°
51°
22
76°
54°
23
75°
46°
24
76°
45°
25
69°
45°
26
69°
48°
27
71°
53°
28
73°
52°
29
73°
43°
30
67°
44°
1
65°
50°
2
66°
50°
3
70°
49°
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 65° to 82°, with overnight lows between 43° and 61°. The average high for September is 74° 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 Andover. See also: October | November | December.
