S
M
T
W
T
F
S
30
72°
53°
31
73°
51°
1
73°
52°
2
74°
51°
3
74°
52°
4
75°
50°
5
75°
50°
6
74°
51°
7
72°
49°
8
73°
50°
9
71°
51°
10
71°
48°
11
70°
47°
12
71°
47°
13
73°
53°
14
72°
47°
15
75°
51°
16
76°
54°
17
76°
55°
18
77°
53°
19
77°
44°
20
72°
45°
21
66°
52°
22
67°
49°
23
70°
51°
24
71°
52°
25
72°
43°
26
71°
41°
27
65°
43°
28
63°
42°
29
63°
42°
30
62°
42°
1
63°
49°
2
Hist. Avg.
66°
44°
3
Hist. Avg.
66°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Birch Run
Birch Run's September 2026 forecast shows daily high temperatures ranging from 62° to 77°, with overnight lows between 41° and 55°. The average high for September is 71° with an average low of 49°. 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 Birch Run. See also: October | November | December.
