S
M
T
W
T
F
S
30
77°
48°
31
78°
48°
1
78°
45°
2
75°
39°
3
66°
43°
4
68°
48°
5
69°
44°
6
71°
38°
7
70°
36°
8
63°
37°
9
66°
44°
10
67°
46°
11
71°
47°
12
70°
45°
13
71°
41°
14
65°
37°
15
59°
38°
16
60°
40°
17
65°
42°
18
68°
33°
19
67°
32°
20
56°
33°
21
55°
43°
22
60°
42°
23
65°
36°
24
57°
40°
25
59°
42°
26
59°
34°
27
63°
32°
28
54°
31°
29
52°
32°
30
52°
39°
1
57°
34°
2
57°
39°
3
Hist. Avg.
58°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Coughlin
Coughlin's September 2026 forecast shows daily high temperatures ranging from 52° to 78°, with overnight lows between 31° and 48°. The average high for September is 64° with an average low of 40°. 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 Coughlin. See also: October | November | December.
