S
M
T
W
T
F
S
30
84°
63°
31
79°
66°
1
91°
72°
2
90°
72°
3
90°
68°
4
88°
66°
5
77°
64°
6
79°
57°
7
77°
54°
8
82°
54°
9
86°
63°
10
81°
70°
11
75°
63°
12
73°
64°
13
86°
66°
14
77°
55°
15
73°
46°
16
84°
54°
17
86°
70°
18
81°
66°
19
77°
61°
20
79°
66°
21
70°
61°
22
61°
54°
23
57°
52°
24
64°
44°
25
70°
47°
26
73°
55°
27
68°
56°
28
68°
56°
29
73°
52°
30
79°
59°
1
78°
59°
2
76°
60°
3
75°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Stephens City
Stephens City's September 2026 forecast shows daily high temperatures ranging from 64° to 79°, with overnight lows between 44° and 60°. The average high for September is 72° with an average low of 55°. 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 Stephens City. See also: October | November | December.