S
M
T
W
T
F
S
30
83°
57°
31
83°
62°
1
82°
62°
2
83°
54°
3
81°
51°
4
75°
52°
5
74°
59°
6
77°
59°
7
81°
54°
8
74°
52°
9
73°
53°
10
74°
59°
11
73°
58°
12
81°
59°
13
80°
58°
14
81°
57°
15
80°
50°
16
74°
56°
17
71°
49°
18
74°
48°
19
70°
46°
20
69°
45°
21
67°
46°
22
68°
53°
23
69°
46°
24
69°
46°
25
70°
53°
26
71°
53°
27
72°
54°
28
75°
50°
29
76°
47°
30
69°
48°
1
67°
51°
2
73°
50°
3
68°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cloverdale
Cloverdale's September 2026 forecast shows daily high temperatures ranging from 67° to 83°, with overnight lows between 45° and 62°. The average high for September is 74° with an average low of 53°. 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 Cloverdale. See also: October | November | December.