S
M
T
W
T
F
S
30
84°
55°
31
79°
54°
1
76°
55°
2
77°
61°
3
77°
55°
4
80°
62°
5
77°
61°
6
82°
56°
7
80°
54°
8
73°
53°
9
75°
53°
10
73°
59°
11
75°
53°
12
78°
52°
13
72°
51°
14
71°
57°
15
75°
59°
16
77°
49°
17
79°
49°
18
69°
48°
19
68°
49°
20
69°
49°
21
69°
50°
22
67°
50°
23
66°
51°
24
68°
52°
25
70°
52°
26
73°
54°
27
72°
51°
28
74°
45°
29
66°
45°
30
64°
51°
1
65°
53°
2
70°
52°
3
69°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Foxborough Town
Foxborough Town's September 2026 forecast shows daily high temperatures ranging from 64° to 84°, with overnight lows between 45° and 62°. The average high for September is 73° with an average low of 53°. 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 Foxborough Town. See also: October | November | December.