S
M
T
W
T
F
S
30
73°
55°
31
76°
50°
1
74°
52°
2
69°
61°
3
79°
60°
4
75°
56°
5
70°
57°
6
69°
48°
7
75°
46°
8
70°
49°
9
72°
47°
10
76°
57°
11
65°
45°
12
73°
41°
13
72°
60°
14
69°
43°
15
68°
38°
16
76°
55°
17
73°
58°
18
68°
46°
19
62°
36°
20
52°
37°
21
58°
42°
22
63°
37°
23
65°
36°
24
67°
34°
25
73°
37°
26
72°
48°
27
61°
52°
28
57°
52°
29
58°
52°
30
62°
52°
1
70°
48°
2
71°
47°
3
59°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Roxbury
Roxbury's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Roxbury. See also: October | November | December.