S
M
T
W
T
F
S
30
78°
63°
31
82°
63°
1
83°
64°
2
84°
63°
3
84°
56°
4
82°
54°
5
75°
56°
6
76°
61°
7
77°
61°
8
80°
60°
9
81°
61°
10
80°
59°
11
79°
57°
12
80°
55°
13
79°
60°
14
79°
60°
15
80°
59°
16
80°
54°
17
78°
59°
18
75°
57°
19
78°
54°
20
73°
50°
21
70°
48°
22
70°
54°
23
70°
52°
24
75°
48°
25
69°
47°
26
67°
47°
27
68°
52°
28
72°
53°
29
74°
49°
30
72°
48°
1
65°
51°
2
66°
44°
3
65°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Blue Hills
Blue Hills's September 2026 forecast shows daily high temperatures ranging from 65° to 84°, with overnight lows between 44° and 64°. The average high for September is 76° with an average low of 55°. 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 Blue Hills. See also: October | November | December.
