S
M
T
W
T
F
S
30
85°
66°
31
89°
66°
1
91°
65°
2
92°
66°
3
91°
66°
4
91°
67°
5
90°
68°
6
87°
66°
7
75°
65°
8
81°
61°
9
86°
58°
10
89°
60°
11
90°
62°
12
74°
62°
13
79°
58°
14
80°
62°
15
80°
57°
16
79°
54°
17
79°
57°
18
79°
59°
19
76°
59°
20
75°
56°
21
68°
49°
22
68°
48°
23
69°
47°
24
70°
49°
25
70°
49°
26
70°
50°
27
72°
53°
28
72°
53°
29
72°
52°
30
71°
52°
1
70°
51°
2
72°
52°
3
72°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Concord
Concord's September 2026 forecast shows daily high temperatures ranging from 68° to 80°, with overnight lows between 47° and 62°. The average high for September is 74° with an average low of 54°. 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 Concord. See also: October | November | December.
