S
M
T
W
T
F
S
30
72°
46°
31
71°
45°
1
70°
45°
2
70°
47°
3
71°
47°
4
68°
48°
5
70°
47°
6
69°
46°
7
67°
45°
8
68°
44°
9
66°
44°
10
68°
50°
11
66°
43°
12
67°
43°
13
70°
42°
14
69°
49°
15
71°
49°
16
66°
45°
17
65°
41°
18
68°
41°
19
70°
45°
20
71°
47°
21
70°
44°
22
64°
44°
23
69°
43°
24
66°
42°
25
65°
44°
26
62°
37°
27
66°
37°
28
60°
38°
29
59°
38°
30
60°
39°
1
60°
36°
2
Hist. Avg.
65°
42°
3
Hist. Avg.
64°
41°
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 59° to 72°, with overnight lows between 36° and 50°. The average high for September is 67° with an average low of 44°. 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.
