S
M
T
W
T
F
S
30
73°
61°
31
72°
57°
1
72°
55°
2
70°
62°
3
76°
63°
4
73°
52°
5
72°
54°
6
77°
58°
7
73°
56°
8
66°
53°
9
65°
49°
10
65°
51°
11
68°
52°
12
69°
52°
13
70°
53°
14
68°
50°
15
67°
50°
16
66°
49°
17
67°
50°
18
68°
52°
19
68°
51°
20
65°
50°
21
67°
51°
22
68°
52°
23
68°
50°
24
66°
48°
25
66°
45°
26
65°
47°
27
66°
50°
28
66°
50°
29
65°
51°
30
66°
50°
1
66°
50°
2
65°
49°
3
66°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Braintree
Braintree's September 2026 forecast shows daily high temperatures ranging from 65° to 77°, with overnight lows between 45° and 63°. The average high for September is 68° with an average low of 52°. 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 Braintree. See also: October | November | December.
