S
M
T
W
T
F
S
30
82°
58°
31
77°
62°
1
79°
55°
2
84°
64°
3
85°
63°
4
87°
57°
5
84°
54°
6
78°
51°
7
78°
54°
8
80°
59°
9
78°
51°
10
74°
50°
11
72°
48°
12
72°
49°
13
73°
57°
14
72°
48°
15
73°
47°
16
71°
46°
17
69°
47°
18
70°
47°
19
69°
46°
20
68°
46°
21
69°
47°
22
70°
48°
23
71°
49°
24
75°
53°
25
76°
52°
26
76°
44°
27
71°
52°
28
68°
52°
29
74°
47°
30
74°
47°
1
70°
48°
2
65°
42°
3
66°
50°
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 65° to 87°, with overnight lows between 42° and 64°. The average high for September is 74° with an average low of 51°. 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.