S
M
T
W
T
F
S
30
75°
65°
31
73°
66°
1
83°
66°
2
85°
63°
3
79°
60°
4
75°
60°
5
74°
61°
6
75°
60°
7
76°
61°
8
75°
62°
9
76°
59°
10
74°
57°
11
74°
52°
12
75°
55°
13
75°
57°
14
70°
54°
15
71°
56°
16
75°
56°
17
74°
52°
18
67°
51°
19
70°
55°
20
74°
56°
21
74°
56°
22
75°
55°
23
74°
54°
24
72°
53°
25
72°
52°
26
73°
53°
27
72°
54°
28
72°
52°
29
70°
51°
30
65°
49°
1
65°
51°
2
69°
52°
3
70°
50°
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 65° to 85°, with overnight lows between 49° and 66°. The average high for September is 73° with an average low of 56°. 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.
