S
M
T
W
T
F
S
30
85°
62°
31
81°
54°
1
71°
51°
2
69°
53°
3
64°
52°
4
70°
54°
5
75°
56°
6
78°
53°
7
82°
55°
8
84°
57°
9
88°
58°
10
90°
58°
11
92°
59°
12
88°
59°
13
85°
57°
14
86°
50°
15
89°
54°
16
85°
52°
17
88°
52°
18
88°
51°
19
80°
48°
20
83°
49°
21
86°
51°
22
87°
53°
23
83°
47°
24
76°
44°
25
75°
45°
26
73°
44°
27
74°
43°
28
75°
43°
29
76°
44°
30
75°
47°
1
74°
43°
2
75°
44°
3
79°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Birchville
Birchville's September 2026 forecast shows daily high temperatures ranging from 64° to 92°, with overnight lows between 43° and 59°. The average high for September is 80° 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 Birchville. See also: October | November | December.