S
M
T
W
T
F
S
30
87°
70°
31
86°
69°
1
94°
74°
2
92°
73°
3
92°
70°
4
91°
70°
5
81°
68°
6
83°
61°
7
81°
59°
8
86°
57°
9
89°
66°
10
88°
71°
11
79°
66°
12
80°
66°
13
90°
72°
14
79°
59°
15
77°
52°
16
85°
58°
17
87°
66°
18
86°
72°
19
79°
65°
20
82°
69°
21
73°
64°
22
64°
58°
23
63°
54°
24
66°
48°
25
74°
52°
26
73°
57°
27
69°
60°
28
71°
57°
29
77°
54°
30
82°
61°
1
79°
61°
2
76°
62°
3
80°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in South Riding
South Riding's September 2026 forecast shows daily high temperatures ranging from 66° to 82°, with overnight lows between 48° and 62°. The average high for September is 75° with an average low of 57°. 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 Riding. See also: October | November | December.
