S
M
T
W
T
F
S
30
74°
51°
31
72°
49°
1
72°
44°
2
72°
47°
3
61°
56°
4
71°
59°
5
67°
49°
6
66°
48°
7
74°
50°
8
62°
39°
9
62°
34°
10
75°
51°
11
61°
42°
12
73°
37°
13
66°
49°
14
66°
43°
15
63°
36°
16
71°
53°
17
67°
44°
18
65°
46°
19
58°
41°
20
58°
35°
21
59°
43°
22
63°
38°
23
64°
32°
24
74°
33°
25
75°
40°
26
73°
43°
27
71°
48°
28
59°
43°
29
60°
46°
30
62°
41°
1
76°
49°
2
66°
44°
3
59°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Caribou
Caribou's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Caribou. See also: October | November | December.
