S
M
T
W
T
F
S
30
78°
64°
31
83°
59°
1
79°
53°
2
81°
57°
3
84°
63°
4
75°
62°
5
79°
61°
6
81°
63°
7
80°
64°
8
83°
59°
9
73°
52°
10
79°
47°
11
81°
64°
12
66°
54°
13
65°
42°
14
60°
40°
15
67°
44°
16
70°
43°
17
69°
47°
18
61°
51°
19
63°
56°
20
63°
44°
21
62°
42°
22
62°
41°
23
67°
42°
24
67°
58°
25
67°
58°
26
62°
56°
27
67°
52°
28
68°
57°
29
63°
47°
30
65°
47°
1
66°
48°
2
67°
47°
3
62°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Merrifield
Merrifield's September 2026 forecast shows daily high temperatures ranging from 62° to 68°, with overnight lows between 42° and 58°. The average high for September is 65° with an average low of 51°. 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 Merrifield. See also: October | November | December.
