S
M
T
W
T
F
S
30
72°
58°
31
73°
59°
1
74°
58°
2
74°
57°
3
73°
52°
4
72°
56°
5
72°
57°
6
71°
55°
7
72°
54°
8
70°
51°
9
65°
53°
10
64°
47°
11
69°
52°
12
67°
50°
13
62°
48°
14
62°
46°
15
63°
44°
16
63°
48°
17
62°
46°
18
61°
49°
19
62°
47°
20
61°
49°
21
63°
47°
22
65°
45°
23
63°
50°
24
59°
51°
25
Hist. Avg.
64°
49°
26
Hist. Avg.
63°
49°
27
Hist. Avg.
63°
48°
28
Hist. Avg.
63°
48°
29
Hist. Avg.
62°
48°
30
Hist. Avg.
62°
48°
1
Hist. Avg.
62°
48°
2
Hist. Avg.
61°
48°
3
Hist. Avg.
61°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Cariboo-Armstrong
Cariboo-Armstrong's September 2026 forecast shows daily high temperatures ranging from 59° to 74°, with overnight lows between 44° and 59°. The average high for September is 67° 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 Cariboo-Armstrong. See also: October | November | December.
