S
M
T
W
T
F
S
30
70°
57°
31
72°
55°
1
72°
50°
2
64°
57°
3
75°
63°
4
66°
54°
5
70°
54°
6
79°
55°
7
73°
57°
8
61°
54°
9
64°
50°
10
64°
50°
11
66°
55°
12
N/A
13
72°
60°
14
74°
59°
15
71°
50°
16
64°
51°
17
64°
47°
18
65°
56°
19
67°
51°
20
66°
52°
21
68°
54°
22
65°
49°
23
64°
49°
24
63°
50°
25
64°
49°
26
65°
50°
27
64°
49°
28
64°
50°
29
63°
49°
30
64°
47°
1
63°
46°
2
64°
48°
3
63°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Milton Keynes
Milton Keynes's September 2026 forecast shows daily high temperatures ranging from 63° to 74°, with overnight lows between 46° and 60°. The average high for September is 66° 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 Milton Keynes. See also: October | November | December.
