S
M
T
W
T
F
S
30
74°
58°
31
73°
56°
1
71°
55°
2
66°
54°
3
66°
54°
4
68°
52°
5
71°
55°
6
72°
56°
7
71°
55°
8
69°
55°
9
71°
54°
10
71°
55°
11
70°
55°
12
72°
54°
13
70°
55°
14
65°
43°
15
63°
43°
16
61°
45°
17
63°
44°
18
60°
42°
19
59°
43°
20
60°
39°
21
59°
50°
22
62°
49°
23
67°
42°
24
66°
39°
25
57°
45°
26
58°
48°
27
66°
47°
28
65°
49°
29
65°
44°
30
64°
38°
1
60°
39°
2
56°
40°
3
62°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Kouchibouguac National Park
Kouchibouguac National Park's September 2026 forecast shows daily high temperatures ranging from 56° to 74°, with overnight lows between 36° and 58°. The average high for September is 66° with an average low of 48°. 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 Kouchibouguac National Park. See also: October | November | December.
