S
M
T
W
T
F
S
30
54°
50°
31
57°
52°
1
59°
54°
2
54°
50°
3
55°
50°
4
59°
45°
5
61°
47°
6
68°
52°
7
65°
52°
8
62°
49°
9
59°
49°
10
63°
47°
11
62°
49°
12
61°
48°
13
62°
48°
14
60°
48°
15
61°
46°
16
60°
47°
17
57°
46°
18
62°
46°
19
62°
45°
20
61°
44°
21
61°
43°
22
60°
46°
23
59°
46°
24
58°
45°
25
59°
45°
26
59°
44°
27
58°
45°
28
58°
45°
29
57°
44°
30
57°
40°
1
52°
37°
2
50°
37°
3
51°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Billingstad
Billingstad's September 2026 forecast shows daily high temperatures ranging from 50° to 68°, with overnight lows between 36° and 52°. The average high for September is 59° with an average low of 45°. 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 Billingstad. See also: October | November | December.