S
M
T
W
T
F
S
30
89°
60°
31
88°
60°
1
88°
54°
2
82°
53°
3
76°
58°
4
76°
59°
5
86°
50°
6
83°
47°
7
74°
48°
8
75°
56°
9
79°
52°
10
75°
56°
11
74°
55°
12
83°
51°
13
79°
47°
14
72°
43°
15
71°
44°
16
70°
44°
17
71°
51°
18
76°
43°
19
77°
44°
20
69°
51°
21
72°
53°
22
80°
52°
23
79°
53°
24
79°
52°
25
77°
52°
26
80°
50°
27
79°
45°
28
74°
47°
29
65°
48°
30
64°
44°
1
73°
46°
2
64°
50°
3
61°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Vivian
Vivian's September 2026 forecast shows daily high temperatures ranging from 61° to 89°, with overnight lows between 36° and 60°. The average high for September is 76° with an average low of 50°. 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 Vivian. See also: October | November | December.
