S
M
T
W
T
F
S
30
80°
66°
31
84°
55°
1
83°
61°
2
80°
62°
3
84°
65°
4
83°
64°
5
82°
64°
6
80°
57°
7
77°
56°
8
75°
55°
9
74°
54°
10
72°
50°
11
72°
50°
12
77°
55°
13
72°
56°
14
75°
55°
15
76°
54°
16
73°
52°
17
73°
55°
18
72°
53°
19
70°
52°
20
74°
53°
21
75°
53°
22
73°
52°
23
73°
53°
24
75°
54°
25
74°
53°
26
73°
51°
27
74°
52°
28
74°
51°
29
72°
50°
30
72°
52°
1
73°
52°
2
73°
50°
3
71°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Melrose
Melrose's September 2026 forecast shows daily high temperatures ranging from 70° to 84°, with overnight lows between 49° and 66°. The average high for September is 75° with an average low of 55°. 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 Melrose. See also: October | November | December.