S
M
T
W
T
F
S
30
72°
53°
31
73°
50°
1
77°
51°
2
72°
60°
3
74°
60°
4
73°
60°
5
68°
54°
6
67°
52°
7
74°
47°
8
70°
48°
9
67°
46°
10
71°
56°
11
63°
46°
12
75°
44°
13
74°
61°
14
65°
45°
15
69°
38°
16
71°
58°
17
75°
55°
18
65°
46°
19
62°
37°
20
53°
42°
21
55°
42°
22
N/A
23
65°
35°
24
69°
33°
25
73°
38°
26
72°
48°
27
65°
52°
28
63°
54°
29
58°
53°
30
64°
52°
1
73°
57°
2
65°
49°
3
57°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Derby Line
Derby Line's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Derby Line. See also: October | November | December.
