S
M
T
W
T
F
S
30
66°
53°
31
66°
54°
1
65°
52°
2
65°
52°
3
66°
53°
4
65°
50°
5
65°
51°
6
66°
49°
7
64°
53°
8
66°
53°
9
67°
52°
10
68°
52°
11
64°
54°
12
63°
52°
13
67°
51°
14
67°
49°
15
64°
48°
16
63°
51°
17
65°
53°
18
67°
51°
19
65°
53°
20
66°
54°
21
66°
54°
22
65°
53°
23
63°
52°
24
64°
51°
25
64°
52°
26
62°
50°
27
63°
52°
28
64°
50°
29
64°
50°
30
59°
46°
1
60°
51°
2
62°
48°
3
Hist. Avg.
60°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cottingham
Cottingham's September 2026 forecast shows daily high temperatures ranging from 59° to 68°, with overnight lows between 46° and 54°. The average high for September is 65° 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 Cottingham. See also: October | November | December.