S
M
T
W
T
F
S
30
85°
62°
31
88°
69°
1
92°
70°
2
93°
69°
3
94°
73°
4
86°
69°
5
83°
68°
6
80°
63°
7
82°
59°
8
87°
63°
9
91°
69°
10
83°
67°
11
82°
61°
12
78°
66°
13
88°
63°
14
74°
54°
15
88°
54°
16
91°
67°
17
86°
68°
18
77°
65°
19
84°
62°
20
83°
67°
21
66°
55°
22
62°
57°
23
N/A
24
69°
43°
25
70°
45°
26
72°
46°
27
71°
47°
28
72°
51°
29
73°
56°
30
75°
63°
1
74°
58°
2
74°
49°
3
74°
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 69° to 75°, with overnight lows between 43° and 63°. The average high for September is 72° with an average low of 51°. 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.
