S
M
T
W
T
F
S
30
69°
55°
31
73°
55°
1
73°
54°
2
74°
53°
3
70°
52°
4
72°
54°
5
71°
49°
6
72°
51°
7
70°
52°
8
71°
52°
9
69°
51°
10
66°
50°
11
66°
47°
12
67°
47°
13
66°
46°
14
65°
51°
15
65°
51°
16
68°
50°
17
68°
51°
18
69°
48°
19
70°
46°
20
64°
50°
21
65°
48°
22
64°
45°
23
63°
45°
24
63°
49°
25
64°
50°
26
65°
49°
27
67°
45°
28
65°
43°
29
63°
43°
30
63°
44°
1
62°
41°
2
61°
44°
3
63°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Barton Mills
Barton Mills's September 2026 forecast shows daily high temperatures ranging from 61° to 74°, with overnight lows between 41° and 55°. The average high for September is 67° with an average low of 49°. 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 Barton Mills. See also: October | November | December.
