S
M
T
W
T
F
S
30
91°
70°
31
91°
72°
1
94°
71°
2
94°
72°
3
94°
74°
4
92°
69°
5
94°
69°
6
90°
71°
7
87°
72°
8
84°
65°
9
83°
64°
10
81°
60°
11
81°
56°
12
82°
57°
13
81°
58°
14
78°
54°
15
83°
60°
16
83°
59°
17
82°
61°
18
83°
61°
19
83°
60°
20
81°
59°
21
82°
60°
22
82°
60°
23
81°
59°
24
81°
58°
25
80°
58°
26
80°
56°
27
81°
57°
28
80°
57°
29
79°
56°
30
80°
57°
1
80°
57°
2
79°
56°
3
79°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Bridgewater
Bridgewater's September 2026 forecast shows daily high temperatures ranging from 78° to 94°, with overnight lows between 54° and 74°. The average high for September is 83° with an average low of 61°. 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 Bridgewater. See also: October | November | December.