S
M
T
W
T
F
S
30
93°
61°
31
94°
59°
1
93°
64°
2
95°
59°
3
95°
59°
4
100°
63°
5
98°
70°
6
94°
63°
7
98°
68°
8
85°
60°
9
84°
59°
10
88°
61°
11
95°
55°
12
79°
63°
13
93°
57°
14
80°
52°
15
70°
49°
16
78°
53°
17
72°
50°
18
69°
48°
19
72°
48°
20
78°
51°
21
77°
46°
22
81°
54°
23
82°
53°
24
80°
53°
25
72°
52°
26
75°
52°
27
80°
51°
28
79°
51°
29
75°
40°
30
65°
37°
1
64°
38°
2
63°
36°
3
65°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Vernon
Vernon's September 2026 forecast shows daily high temperatures ranging from 63° to 95°, with overnight lows between 36° and 63°. The average high for September is 77° 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 Vernon. See also: October | November | December.
