S
M
T
W
T
F
S
30
68°
60°
31
72°
60°
1
73°
58°
2
74°
56°
3
70°
57°
4
71°
59°
5
72°
54°
6
71°
56°
7
69°
57°
8
71°
56°
9
69°
56°
10
66°
54°
11
65°
51°
12
65°
52°
13
66°
52°
14
65°
56°
15
65°
56°
16
69°
54°
17
68°
56°
18
69°
53°
19
70°
50°
20
63°
55°
21
65°
53°
22
65°
50°
23
66°
50°
24
63°
53°
25
64°
55°
26
65°
53°
27
67°
50°
28
65°
47°
29
63°
47°
30
62°
48°
1
61°
46°
2
62°
48°
3
63°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Manston
Manston's September 2026 forecast shows daily high temperatures ranging from 61° to 74°, with overnight lows between 46° and 60°. The average high for September is 67° with an average low of 53°. 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 Manston. See also: October | November | December.