S
M
T
W
T
F
S
30
90°
67°
31
93°
73°
1
97°
73°
2
96°
75°
3
95°
73°
4
97°
73°
5
86°
70°
6
85°
66°
7
84°
65°
8
85°
61°
9
88°
63°
10
94°
70°
11
86°
73°
12
85°
72°
13
85°
73°
14
84°
61°
15
80°
57°
16
83°
59°
17
90°
64°
18
90°
70°
19
85°
68°
20
88°
67°
21
84°
70°
22
72°
61°
23
63°
60°
24
65°
56°
25
74°
53°
26
73°
57°
27
71°
61°
28
74°
63°
29
77°
61°
30
83°
63°
1
88°
65°
2
87°
60°
3
72°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in South Richmond
South Richmond's September 2026 forecast shows daily high temperatures ranging from 71° to 88°, with overnight lows between 59° and 65°. The average high for September is 79° 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 South Richmond. See also: October | November | December.