S
M
T
W
T
F
S
30
74°
56°
31
74°
55°
1
75°
57°
2
74°
59°
3
74°
58°
4
75°
60°
5
74°
61°
6
76°
62°
7
81°
62°
8
80°
61°
9
78°
60°
10
73°
60°
11
78°
61°
12
75°
60°
13
75°
59°
14
70°
58°
15
69°
58°
16
69°
57°
17
70°
58°
18
69°
57°
19
70°
56°
20
68°
56°
21
78°
56°
22
78°
51°
23
74°
47°
24
68°
46°
25
66°
54°
26
70°
53°
27
69°
54°
28
75°
53°
29
75°
51°
30
73°
51°
1
72°
52°
2
72°
51°
3
73°
48°
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 66° to 81°, with overnight lows between 46° and 62°. The average high for September is 73° with an average low of 56°. 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.