S
M
T
W
T
F
S
30
63°
44°
31
66°
42°
1
64°
40°
2
61°
37°
3
57°
36°
4
63°
41°
5
62°
39°
6
59°
35°
7
56°
31°
8
56°
34°
9
61°
29°
10
56°
30°
11
49°
29°
12
49°
29°
13
50°
32°
14
48°
28°
15
47°
27°
16
47°
27°
17
45°
29°
18
44°
29°
19
44°
22°
20
45°
27°
21
44°
25°
22
43°
26°
23
43°
23°
24
42°
22°
25
40°
21°
26
40°
22°
27
39°
21°
28
38°
20°
29
37°
21°
30
36°
20°
1
35°
21°
2
34°
21°
3
42°
24°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Birch Creek
Birch Creek's September 2026 forecast shows daily high temperatures ranging from 34° to 66°, with overnight lows between 20° and 44°. The average high for September is 49° with an average low of 29°. 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 Creek. See also: October | November | December.
