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
60°
53°
11
63°
51°
12
68°
52°
13
63°
54°
14
66°
53°
15
62°
52°
16
61°
51°
17
60°
48°
18
61°
49°
19
60°
47°
20
62°
47°
21
60°
48°
22
59°
49°
23
62°
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 Longniddry
Longniddry's September 2026 forecast shows daily high temperatures ranging from 55° to 68°, 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 Longniddry. See also: October | November | December.
