S
M
T
W
T
F
S
30
70°
57°
31
71°
53°
1
71°
55°
2
69°
50°
3
71°
51°
4
72°
52°
5
72°
53°
6
71°
52°
7
72°
56°
8
N/A
9
75°
54°
10
73°
55°
11
66°
48°
12
64°
43°
13
62°
43°
14
61°
46°
15
61°
45°
16
49°
45°
17
47°
44°
18
46°
42°
19
47°
43°
20
45°
42°
21
46°
37°
22
45°
39°
23
46°
41°
24
45°
40°
25
46°
41°
26
42°
38°
27
40°
37°
28
40°
36°
29
44°
38°
30
42°
36°
1
37°
35°
2
38°
35°
3
38°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Campotosto
Campotosto's September 2026 forecast shows daily high temperatures ranging from 37° to 75°, with overnight lows between 35° and 55°. The average high for September is 50° with an average low of 42°. 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 Campotosto. See also: October | November | December.