S
M
T
W
T
F
S
30
87°
66°
31
89°
70°
1
88°
69°
2
87°
63°
3
86°
61°
4
84°
61°
5
85°
63°
6
86°
66°
7
87°
69°
8
90°
69°
9
91°
68°
10
87°
64°
11
89°
66°
12
88°
68°
13
89°
60°
14
86°
59°
15
84°
59°
16
85°
60°
17
84°
59°
18
85°
60°
19
87°
60°
20
88°
62°
21
89°
65°
22
88°
65°
23
82°
64°
24
82°
64°
25
81°
63°
26
87°
63°
27
87°
62°
28
86°
63°
29
86°
62°
30
85°
62°
1
87°
61°
2
87°
58°
3
86°
55°
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 81° to 91°, with overnight lows between 55° and 70°. The average high for September is 86° with an average low of 63°. 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.
