S
M
T
W
T
F
S
30
63°
55°
31
66°
52°
1
64°
54°
2
63°
54°
3
66°
57°
4
64°
55°
5
64°
50°
6
68°
55°
7
64°
54°
8
61°
54°
9
64°
48°
10
63°
50°
11
63°
50°
12
67°
52°
13
63°
54°
14
67°
53°
15
63°
51°
16
60°
54°
17
62°
50°
18
61°
49°
19
60°
47°
20
59°
48°
21
61°
48°
22
61°
46°
23
60°
50°
24
61°
49°
25
58°
48°
26
57°
46°
27
57°
48°
28
58°
45°
29
55°
44°
30
56°
49°
1
57°
46°
2
57°
48°
3
58°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cockenzie And Port Seton
Cockenzie And Port Seton's September 2026 forecast shows daily high temperatures ranging from 55° to 67°, with overnight lows between 44° and 54°. The average high for September is 60° with an average low of 49°. 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 Cockenzie And Port Seton. See also: October | November | December.
