S
M
T
W
T
F
S
30
84°
59°
31
80°
58°
1
69°
60°
2
71°
62°
3
74°
63°
4
80°
58°
5
73°
54°
6
72°
56°
7
77°
59°
8
75°
57°
9
73°
58°
10
75°
60°
11
75°
59°
12
76°
59°
13
75°
60°
14
73°
57°
15
72°
59°
16
74°
61°
17
77°
60°
18
69°
57°
19
71°
56°
20
71°
59°
21
76°
60°
22
77°
61°
23
77°
59°
24
76°
58°
25
75°
57°
26
76°
59°
27
75°
58°
28
74°
57°
29
73°
54°
30
66°
51°
1
64°
50°
2
64°
55°
3
72°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Methuen
Methuen's September 2026 forecast shows daily high temperatures ranging from 64° to 80°, with overnight lows between 50° and 63°. The average high for September is 73° with an average low of 58°. 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 Methuen. See also: October | November | December.