S
M
T
W
T
F
S
30
82°
55°
31
76°
61°
1
67°
59°
2
75°
58°
3
80°
62°
4
82°
61°
5
72°
58°
6
67°
54°
7
77°
51°
8
79°
54°
9
78°
57°
10
83°
67°
11
75°
52°
12
75°
48°
13
71°
63°
14
76°
44°
15
70°
50°
16
77°
59°
17
79°
63°
18
73°
56°
19
71°
55°
20
68°
52°
21
64°
50°
22
67°
51°
23
65°
51°
24
67°
53°
25
68°
52°
26
69°
49°
27
64°
53°
28
72°
53°
29
72°
52°
30
64°
50°
1
63°
51°
2
63°
51°
3
71°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Foxborough
Foxborough's September 2026 forecast shows daily high temperatures ranging from 63° to 79°, with overnight lows between 44° and 63°. The average high for September is 69° 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. See also: October | November | December.
