S
M
T
W
T
F
S
31
80°
66°
1
80°
63°
2
68°
61°
3
85°
55°
4
79°
57°
5
69°
53°
6
75°
54°
7
79°
58°
8
71°
57°
9
85°
60°
10
80°
65°
11
90°
65°
12
93°
67°
13
90°
69°
14
86°
70°
15
89°
66°
16
93°
70°
17
79°
68°
18
79°
64°
19
84°
61°
20
84°
64°
21
79°
68°
22
84°
64°
23
75°
65°
24
80°
64°
25
83°
60°
26
84°
60°
27
88°
61°
28
88°
63°
29
83°
63°
30
83°
64°
1
85°
62°
2
88°
67°
3
89°
65°
4
86°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Derby
Derby's September 2025 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. See also: October | November | December.
