S
M
T
W
T
F
S
30
68°
55°
31
73°
54°
1
73°
53°
2
74°
51°
3
70°
52°
4
72°
53°
5
71°
48°
6
72°
51°
7
69°
51°
8
71°
50°
9
69°
51°
10
66°
49°
11
66°
46°
12
65°
47°
13
65°
47°
14
66°
50°
15
65°
51°
16
69°
50°
17
69°
51°
18
68°
48°
19
69°
45°
20
64°
49°
21
65°
47°
22
65°
44°
23
63°
44°
24
63°
48°
25
64°
50°
26
66°
48°
27
67°
44°
28
65°
42°
29
63°
42°
30
63°
43°
1
62°
41°
2
62°
43°
3
63°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Knightsbridge
Knightsbridge's September 2026 forecast shows daily high temperatures ranging from 62° to 74°, with overnight lows between 41° and 55°. The average high for September is 67° with an average low of 48°. 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 Knightsbridge. See also: October | November | December.
