S
M
T
W
T
F
S
30
90°
67°
31
93°
73°
1
97°
73°
2
95°
74°
3
100°
74°
4
97°
71°
5
86°
65°
6
84°
62°
7
82°
64°
8
86°
65°
9
87°
64°
10
94°
65°
11
87°
65°
12
86°
66°
13
86°
65°
14
87°
65°
15
83°
59°
16
77°
64°
17
77°
60°
18
76°
58°
19
77°
56°
20
80°
61°
21
79°
61°
22
79°
62°
23
80°
61°
24
77°
60°
25
77°
60°
26
80°
59°
27
80°
59°
28
79°
55°
29
71°
51°
30
72°
54°
1
73°
57°
2
74°
56°
3
70°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Richmond
Richmond's September 2026 forecast shows daily high temperatures ranging from 70° to 100°, with overnight lows between 51° and 74°. The average high for September is 82° 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 Richmond. See also: October | November | December.
