S
M
T
W
T
F
S
30
73°
61°
31
73°
59°
1
73°
55°
2
70°
61°
3
79°
66°
4
70°
57°
5
73°
54°
6
79°
57°
7
75°
63°
8
64°
55°
9
66°
54°
10
71°
60°
11
75°
55°
12
76°
62°
13
76°
60°
14
79°
62°
15
74°
54°
16
70°
53°
17
67°
53°
18
69°
54°
19
72°
54°
20
70°
53°
21
70°
54°
22
68°
55°
23
69°
50°
24
68°
49°
25
66°
47°
26
65°
47°
27
66°
50°
28
66°
44°
29
61°
42°
30
60°
42°
1
60°
47°
2
64°
48°
3
63°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in New Malden
New Malden's September 2026 forecast shows daily high temperatures ranging from 60° to 79°, with overnight lows between 42° and 62°. The average high for September is 69° with an average low of 52°. 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 New Malden. See also: October | November | December.
