S
M
T
W
T
F
S
30
91°
74°
31
93°
75°
1
88°
75°
2
91°
75°
3
88°
77°
4
93°
77°
5
91°
77°
6
95°
75°
7
88°
75°
8
91°
75°
9
91°
77°
10
95°
73°
11
93°
72°
12
91°
73°
13
93°
73°
14
95°
75°
15
90°
75°
16
90°
73°
17
88°
72°
18
88°
72°
19
91°
68°
20
84°
72°
21
88°
71°
22
89°
73°
23
87°
70°
24
85°
68°
25
83°
62°
26
85°
63°
27
85°
64°
28
84°
66°
29
82°
66°
30
84°
70°
1
82°
69°
2
85°
66°
3
87°
70°
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 82° to 89°, with overnight lows between 62° and 73°. The average high for September is 85° with an average low of 68°. 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.