S
M
T
W
T
F
S
30
88°
70°
31
84°
70°
1
95°
72°
2
90°
73°
3
91°
70°
4
90°
70°
5
81°
70°
6
81°
61°
7
81°
61°
8
86°
55°
9
90°
64°
10
88°
70°
11
77°
68°
12
79°
66°
13
88°
72°
14
77°
63°
15
77°
52°
16
86°
59°
17
86°
68°
18
84°
70°
19
79°
63°
20
81°
68°
21
70°
63°
22
63°
57°
23
64°
54°
24
64°
45°
25
73°
52°
26
75°
56°
27
70°
56°
28
68°
55°
29
74°
52°
30
77°
59°
1
78°
59°
2
73°
53°
3
70°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Purcellville
Purcellville's September 2026 forecast shows daily high temperatures ranging from 64° to 78°, with overnight lows between 45° and 59°. The average high for September is 72° with an average low of 54°. 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 Purcellville. See also: October | November | December.