S
M
T
W
T
F
S
30
79°
57°
31
77°
57°
1
77°
58°
2
78°
58°
3
76°
61°
4
77°
57°
5
79°
58°
6
78°
57°
7
77°
55°
8
76°
56°
9
76°
56°
10
75°
58°
11
75°
54°
12
76°
54°
13
75°
53°
14
77°
56°
15
76°
59°
16
79°
58°
17
75°
52°
18
73°
51°
19
73°
52°
20
74°
57°
21
72°
51°
22
72°
53°
23
75°
56°
24
76°
57°
25
77°
56°
26
76°
48°
27
75°
49°
28
68°
48°
29
67°
47°
30
68°
47°
1
68°
48°
2
66°
45°
3
Hist. Avg.
69°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Caln
Caln's September 2026 forecast shows daily high temperatures ranging from 66° to 79°, with overnight lows between 45° and 61°. The average high for September is 75° with an average low of 54°. 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 Caln. See also: October | November | December.
