S
M
T
W
T
F
S
30
77°
58°
31
75°
60°
1
70°
59°
2
71°
62°
3
77°
64°
4
82°
59°
5
76°
53°
6
70°
54°
7
74°
56°
8
73°
53°
9
74°
58°
10
76°
58°
11
75°
57°
12
75°
56°
13
72°
54°
14
71°
53°
15
69°
51°
16
70°
55°
17
74°
53°
18
67°
49°
19
67°
49°
20
69°
52°
21
72°
54°
22
74°
55°
23
74°
53°
24
73°
52°
25
72°
52°
26
71°
51°
27
72°
52°
28
72°
51°
29
71°
49°
30
63°
44°
1
61°
44°
2
62°
49°
3
68°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Southbridge
Southbridge's September 2026 forecast shows daily high temperatures ranging from 61° to 82°, with overnight lows between 44° and 64°. The average high for September is 71° 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 Southbridge. See also: October | November | December.
