S
M
T
W
T
F
S
30
91°
65°
31
97°
66°
1
99°
69°
2
100°
70°
3
102°
68°
4
104°
70°
5
91°
70°
6
82°
66°
7
88°
59°
8
87°
61°
9
89°
67°
10
94°
70°
11
83°
67°
12
79°
67°
13
84°
68°
14
87°
67°
15
85°
66°
16
84°
62°
17
79°
64°
18
76°
58°
19
77°
59°
20
73°
58°
21
76°
57°
22
79°
62°
23
75°
61°
24
75°
61°
25
77°
60°
26
80°
61°
27
80°
60°
28
79°
60°
29
79°
59°
30
78°
59°
1
78°
58°
2
77°
59°
3
77°
57°
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 73° to 94°, with overnight lows between 57° and 70°. The average high for September is 80° with an average low of 62°. 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.
