S
M
T
W
T
F
S
30
61°
57°
31
72°
54°
1
68°
52°
2
59°
48°
3
64°
57°
4
66°
55°
5
66°
52°
6
68°
55°
7
63°
52°
8
64°
54°
9
59°
46°
10
61°
45°
11
64°
48°
12
70°
52°
13
66°
52°
14
68°
54°
15
68°
54°
16
66°
50°
17
61°
50°
18
59°
52°
19
63°
52°
20
64°
52°
21
72°
52°
22
72°
57°
23
63°
48°
24
62°
52°
25
62°
51°
26
64°
55°
27
60°
45°
28
60°
47°
29
64°
56°
30
66°
51°
1
62°
52°
2
61°
50°
3
60°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Haddington
Haddington's September 2026 forecast shows daily high temperatures ranging from 60° to 66°, with overnight lows between 45° and 56°. The average high for September is 62° 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 Haddington. See also: October | November | December.
