S
M
T
W
T
F
S
30
77°
56°
31
77°
60°
1
75°
60°
2
71°
60°
3
80°
63°
4
80°
62°
5
74°
57°
6
69°
52°
7
N/A
8
82°
61°
9
83°
68°
10
85°
60°
11
79°
54°
12
79°
59°
13
80°
61°
14
82°
62°
15
77°
61°
16
78°
56°
17
75°
55°
18
74°
56°
19
75°
57°
20
74°
52°
21
74°
56°
22
67°
55°
23
67°
55°
24
68°
54°
25
69°
52°
26
71°
52°
27
68°
48°
28
67°
52°
29
72°
53°
30
73°
53°
1
72°
52°
2
71°
53°
3
70°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Derby
Derby's September 2026 forecast shows daily high temperatures ranging from 67° to 85°, with overnight lows between 48° and 68°. The average high for September is 74° with an average low of 56°. 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. See also: October | November | December.
