S
M
T
W
T
F
S
30
80°
55°
31
83°
57°
1
84°
57°
2
83°
56°
3
79°
57°
4
78°
57°
5
82°
56°
6
84°
57°
7
84°
57°
8
83°
56°
9
83°
53°
10
79°
49°
11
78°
49°
12
78°
50°
13
77°
53°
14
76°
52°
15
79°
51°
16
81°
54°
17
80°
57°
18
83°
58°
19
74°
58°
20
75°
57°
21
82°
57°
22
82°
56°
23
79°
57°
24
80°
57°
25
81°
56°
26
81°
56°
27
80°
55°
28
75°
56°
29
75°
55°
30
76°
56°
1
80°
57°
2
82°
56°
3
81°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Valle Vista
Valle Vista's September 2026 forecast shows daily high temperatures ranging from 74° to 84°, with overnight lows between 49° and 58°. The average high for September is 80° with an average low of 55°. 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 Valle Vista. See also: October | November | December.
