S
M
T
W
T
F
S
30
67°
51°
31
70°
50°
1
77°
50°
2
74°
55°
3
65°
56°
4
64°
51°
5
55°
48°
6
61°
53°
7
62°
51°
8
68°
49°
9
72°
51°
10
61°
50°
11
53°
44°
12
55°
39°
13
66°
36°
14
57°
42°
15
57°
35°
16
67°
37°
17
72°
39°
18
70°
42°
19
78°
44°
20
74°
43°
21
78°
46°
22
69°
46°
23
72°
43°
24
61°
41°
25
56°
40°
26
57°
38°
27
60°
38°
28
61°
39°
29
61°
42°
30
60°
40°
1
59°
42°
2
56°
36°
3
60°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Dalmuir
Dalmuir's September 2026 forecast shows daily high temperatures ranging from 56° to 78°, with overnight lows between 36° and 46°. The average high for September is 64° 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 Dalmuir. See also: October | November | December.
