S
M
T
W
T
F
S
30
77°
50°
31
72°
48°
1
65°
44°
2
65°
50°
3
72°
51°
4
75°
42°
5
67°
37°
6
61°
43°
7
62°
41°
8
60°
38°
9
65°
37°
10
59°
44°
11
61°
42°
12
58°
41°
13
61°
39°
14
60°
46°
15
63°
45°
16
65°
46°
17
68°
36°
18
65°
36°
19
55°
42°
20
58°
44°
21
63°
42°
22
65°
35°
23
58°
40°
24
55°
43°
25
64°
32°
26
55°
37°
27
54°
38°
28
51°
41°
29
53°
39°
30
56°
40°
1
57°
43°
2
62°
41°
3
62°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Blumenthal
Blumenthal's September 2026 forecast shows daily high temperatures ranging from 51° to 77°, with overnight lows between 32° and 51°. The average high for September is 62° with an average low of 41°. 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 Blumenthal. See also: October | November | December.
